3 * (c) 1995 Microsoft Corporation. All rights reserved.
4 * Developed by hip communications inc.
5 * Portions (c) 1993 Intergraph Corporation. All rights reserved.
7 * You may distribute under the terms of either the GNU General Public
8 * License or the Artistic License, as specified in the README file.
10 #define PERLIO_NOT_STDIO 0
11 #define WIN32_LEAN_AND_MEAN
12 #define WIN32IO_IS_STDIO
16 # define Win32_Winsock
20 # define _WIN32_WINNT 0x0500 /* needed for CreateHardlink() etc. */
26 # define HWND_MESSAGE ((HWND)-3)
29 #ifndef PROCESSOR_ARCHITECTURE_AMD64
30 # define PROCESSOR_ARCHITECTURE_AMD64 9
33 #ifndef WC_NO_BEST_FIT_CHARS
34 # define WC_NO_BEST_FIT_CHARS 0x00000400
43 /* #include "config.h" */
53 #define PERL_NO_GET_CONTEXT
58 /* assert.h conflicts with #define of assert in perl.h */
66 #include <sys/utime.h>
69 /* Mingw32 defaults to globing command line
70 * So we turn it off like this:
75 #if defined(__MINGW32__) && (__MINGW32_MAJOR_VERSION==1)
76 /* Mingw32-1.1 is missing some prototypes */
78 FILE * _wfopen(LPCWSTR wszFileName, LPCWSTR wszMode);
79 FILE * _wfdopen(int nFd, LPCWSTR wszMode);
80 FILE * _freopen(LPCWSTR wszFileName, LPCWSTR wszMode, FILE * pOldStream);
88 #define EXECF_SPAWN_NOWAIT 3
90 #if defined(PERL_IMPLICIT_SYS)
92 # define getlogin g_getlogin
95 /* VS2005 (MSC version 14) provides a mechanism to set an invalid
96 * parameter handler. This functionality is not available in the
97 * 64-bit compiler from the Platform SDK, which unfortunately also
98 * believes itself to be MSC version 14.
100 * There is no #define related to _set_invalid_parameter_handler(),
101 * but we can check for one of the constants defined for
102 * _set_abort_behavior(), which was introduced into stdlib.h at
106 #if _MSC_VER >= 1400 && defined(_WRITE_ABORT_MSG)
107 # define SET_INVALID_PARAMETER_HANDLER
110 #ifdef SET_INVALID_PARAMETER_HANDLER
111 static BOOL set_silent_invalid_parameter_handler(BOOL newvalue);
112 static void my_invalid_parameter_handler(const wchar_t* expression,
113 const wchar_t* function, const wchar_t* file,
114 unsigned int line, uintptr_t pReserved);
117 #ifndef WIN32_NO_REGISTRY
118 static char* get_regstr_from(HKEY hkey, const char *valuename, SV **svp);
119 static char* get_regstr(const char *valuename, SV **svp);
122 static char* get_emd_part(SV **prev_pathp, STRLEN *const len,
123 char *trailing, ...);
124 static char* win32_get_xlib(const char *pl,
125 WIN32_NO_REGISTRY_M_(const char *xlib)
126 const char *libname, STRLEN *const len);
128 static BOOL has_shell_metachars(const char *ptr);
129 static long tokenize(const char *str, char **dest, char ***destv);
130 static void get_shell(void);
131 static char* find_next_space(const char *s);
132 static int do_spawn2(pTHX_ const char *cmd, int exectype);
133 static int do_spawn2_handles(pTHX_ const char *cmd, int exectype,
135 static int do_spawnvp_handles(int mode, const char *cmdname,
136 const char * const *argv, const int *handles);
137 static PerlIO * do_popen(const char *mode, const char *command, IV narg,
139 static long find_pid(pTHX_ int pid);
140 static void remove_dead_process(long child);
141 static int terminate_process(DWORD pid, HANDLE process_handle, int sig);
142 static int my_killpg(int pid, int sig);
143 static int my_kill(int pid, int sig);
144 static void out_of_memory(void);
145 static char* wstr_to_str(const wchar_t* wstr);
146 static long filetime_to_clock(PFILETIME ft);
147 static BOOL filetime_from_time(PFILETIME ft, time_t t);
148 static char* create_command_line(char *cname, STRLEN clen,
149 const char * const *args);
150 static char* qualified_path(const char *cmd, bool other_exts);
151 static void ansify_path(void);
152 static LRESULT win32_process_message(HWND hwnd, UINT msg,
153 WPARAM wParam, LPARAM lParam);
156 static long find_pseudo_pid(pTHX_ int pid);
157 static void remove_dead_pseudo_process(long child);
158 static HWND get_hwnd_delay(pTHX, long child, DWORD tries);
161 #ifdef HAVE_INTERP_INTERN
162 static void win32_csighandler(int sig);
166 HANDLE w32_perldll_handle = INVALID_HANDLE_VALUE;
167 char w32_module_name[MAX_PATH+1];
168 #ifdef WIN32_DYN_IOINFO_SIZE
169 Size_t w32_ioinfo_size;/* avoid 0 extend op b4 mul, otherwise could be a U8 */
173 static OSVERSIONINFO g_osver = {0, 0, 0, 0, 0, ""};
175 #ifndef WIN32_NO_REGISTRY
176 /* initialized by Perl_win32_init/PERL_SYS_INIT */
177 static HKEY HKCU_Perl_hnd;
178 static HKEY HKLM_Perl_hnd;
181 #ifdef SET_INVALID_PARAMETER_HANDLER
182 static BOOL silent_invalid_parameter_handler = FALSE;
185 set_silent_invalid_parameter_handler(BOOL newvalue)
187 BOOL oldvalue = silent_invalid_parameter_handler;
189 silent_invalid_parameter_handler = newvalue;
195 my_invalid_parameter_handler(const wchar_t* expression,
196 const wchar_t* function,
202 char* ansi_expression;
205 if (silent_invalid_parameter_handler)
207 ansi_expression = wstr_to_str(expression);
208 ansi_function = wstr_to_str(function);
209 ansi_file = wstr_to_str(file);
210 fprintf(stderr, "Invalid parameter detected in function %s. "
211 "File: %s, line: %d\n", ansi_function, ansi_file, line);
212 fprintf(stderr, "Expression: %s\n", ansi_expression);
213 free(ansi_expression);
221 set_w32_module_name(void)
223 /* this function may be called at DLL_PROCESS_ATTACH time */
225 HMODULE module = (HMODULE)((w32_perldll_handle == INVALID_HANDLE_VALUE)
226 ? GetModuleHandle(NULL)
227 : w32_perldll_handle);
229 WCHAR modulename[MAX_PATH];
230 WCHAR fullname[MAX_PATH];
233 DWORD (__stdcall *pfnGetLongPathNameW)(LPCWSTR, LPWSTR, DWORD) =
234 (DWORD (__stdcall *)(LPCWSTR, LPWSTR, DWORD))
235 GetProcAddress(GetModuleHandle("kernel32.dll"), "GetLongPathNameW");
237 GetModuleFileNameW(module, modulename, sizeof(modulename)/sizeof(WCHAR));
239 /* Make sure we get an absolute pathname in case the module was loaded
240 * explicitly by LoadLibrary() with a relative path. */
241 GetFullPathNameW(modulename, sizeof(fullname)/sizeof(WCHAR), fullname, NULL);
243 /* Make sure we start with the long path name of the module because we
244 * later scan for pathname components to match "5.xx" to locate
245 * compatible sitelib directories, and the short pathname might mangle
246 * this path segment (e.g. by removing the dot on NTFS to something
247 * like "5xx~1.yy") */
248 if (pfnGetLongPathNameW)
249 pfnGetLongPathNameW(fullname, fullname, sizeof(fullname)/sizeof(WCHAR));
251 /* remove \\?\ prefix */
252 if (memcmp(fullname, L"\\\\?\\", 4*sizeof(WCHAR)) == 0)
253 memmove(fullname, fullname+4, (wcslen(fullname+4)+1)*sizeof(WCHAR));
255 ansi = win32_ansipath(fullname);
256 my_strlcpy(w32_module_name, ansi, sizeof(w32_module_name));
259 /* normalize to forward slashes */
260 ptr = w32_module_name;
268 #ifndef WIN32_NO_REGISTRY
269 /* *svp (if non-NULL) is expected to be POK (valid allocated SvPVX(*svp)) */
271 get_regstr_from(HKEY handle, const char *valuename, SV **svp)
273 /* Retrieve a REG_SZ or REG_EXPAND_SZ from the registry */
279 retval = RegQueryValueEx(handle, valuename, 0, &type, NULL, &datalen);
280 if (retval == ERROR_SUCCESS
281 && (type == REG_SZ || type == REG_EXPAND_SZ))
285 *svp = sv_2mortal(newSVpvs(""));
286 SvGROW(*svp, datalen);
287 retval = RegQueryValueEx(handle, valuename, 0, NULL,
288 (PBYTE)SvPVX(*svp), &datalen);
289 if (retval == ERROR_SUCCESS) {
291 SvCUR_set(*svp,datalen-1);
297 /* *svp (if non-NULL) is expected to be POK (valid allocated SvPVX(*svp)) */
299 get_regstr(const char *valuename, SV **svp)
303 str = get_regstr_from(HKCU_Perl_hnd, valuename, svp);
310 str = get_regstr_from(HKLM_Perl_hnd, valuename, svp);
316 #endif /* ifndef WIN32_NO_REGISTRY */
318 /* *prev_pathp (if non-NULL) is expected to be POK (valid allocated SvPVX(sv)) */
320 get_emd_part(SV **prev_pathp, STRLEN *const len, char *trailing_path, ...)
324 char mod_name[MAX_PATH+1];
330 va_start(ap, trailing_path);
331 strip = va_arg(ap, char *);
333 sprintf(base, "%d.%d", (int)PERL_REVISION, (int)PERL_VERSION);
334 baselen = strlen(base);
336 if (!*w32_module_name) {
337 set_w32_module_name();
339 strcpy(mod_name, w32_module_name);
340 ptr = strrchr(mod_name, '/');
341 while (ptr && strip) {
342 /* look for directories to skip back */
345 ptr = strrchr(mod_name, '/');
346 /* avoid stripping component if there is no slash,
347 * or it doesn't match ... */
348 if (!ptr || stricmp(ptr+1, strip) != 0) {
349 /* ... but not if component matches m|5\.$patchlevel.*| */
350 if (!ptr || !(*strip == '5' && *(ptr+1) == '5'
351 && strncmp(strip, base, baselen) == 0
352 && strncmp(ptr+1, base, baselen) == 0))
358 strip = va_arg(ap, char *);
366 strcpy(++ptr, trailing_path);
368 /* only add directory if it exists */
369 if (GetFileAttributes(mod_name) != (DWORD) -1) {
370 /* directory exists */
373 *prev_pathp = sv_2mortal(newSVpvs(""));
374 else if (SvPVX(*prev_pathp))
375 sv_catpvs(*prev_pathp, ";");
376 sv_catpv(*prev_pathp, mod_name);
378 *len = SvCUR(*prev_pathp);
379 return SvPVX(*prev_pathp);
386 win32_get_privlib(WIN32_NO_REGISTRY_M_(const char *pl) STRLEN *const len)
388 char *stdlib = "lib";
390 #ifndef WIN32_NO_REGISTRY
391 char buffer[MAX_PATH+1];
393 /* $stdlib = $HKCU{"lib-$]"} || $HKLM{"lib-$]"} || $HKCU{"lib"} || $HKLM{"lib"} || ""; */
394 sprintf(buffer, "%s-%s", stdlib, pl);
395 if (!get_regstr(buffer, &sv))
396 (void)get_regstr(stdlib, &sv);
399 /* $stdlib .= ";$EMD/../../lib" */
400 return get_emd_part(&sv, len, stdlib, ARCHNAME, "bin", NULL);
404 win32_get_xlib(const char *pl, WIN32_NO_REGISTRY_M_(const char *xlib)
405 const char *libname, STRLEN *const len)
407 #ifndef WIN32_NO_REGISTRY
410 char pathstr[MAX_PATH+1];
414 #ifndef WIN32_NO_REGISTRY
415 /* $HKCU{"$xlib-$]"} || $HKLM{"$xlib-$]"} . ---; */
416 sprintf(regstr, "%s-%s", xlib, pl);
417 (void)get_regstr(regstr, &sv1);
421 * ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/$libname/$]/lib"; */
422 sprintf(pathstr, "%s/%s/lib", libname, pl);
423 (void)get_emd_part(&sv1, NULL, pathstr, ARCHNAME, "bin", pl, NULL);
425 #ifndef WIN32_NO_REGISTRY
426 /* $HKCU{$xlib} || $HKLM{$xlib} . ---; */
427 (void)get_regstr(xlib, &sv2);
431 * ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/$libname/lib"; */
432 sprintf(pathstr, "%s/lib", libname);
433 (void)get_emd_part(&sv2, NULL, pathstr, ARCHNAME, "bin", pl, NULL);
451 win32_get_sitelib(const char *pl, STRLEN *const len)
453 return win32_get_xlib(pl, WIN32_NO_REGISTRY_M_("sitelib") "site", len);
456 #ifndef PERL_VENDORLIB_NAME
457 # define PERL_VENDORLIB_NAME "vendor"
461 win32_get_vendorlib(const char *pl, STRLEN *const len)
463 return win32_get_xlib(pl, WIN32_NO_REGISTRY_M_("vendorlib") PERL_VENDORLIB_NAME, len);
467 has_shell_metachars(const char *ptr)
473 * Scan string looking for redirection (< or >) or pipe
474 * characters (|) that are not in a quoted string.
475 * Shell variable interpolation (%VAR%) can also happen inside strings.
507 #if !defined(PERL_IMPLICIT_SYS)
508 /* since the current process environment is being updated in util.c
509 * the library functions will get the correct environment
512 Perl_my_popen(pTHX_ const char *cmd, const char *mode)
514 PERL_FLUSHALL_FOR_CHILD;
515 return win32_popen(cmd, mode);
519 Perl_my_pclose(pTHX_ PerlIO *fp)
521 return win32_pclose(fp);
525 DllExport unsigned long
528 return (unsigned long)g_osver.dwPlatformId;
537 return -((int)w32_pseudo_id);
542 /* Tokenize a string. Words are null-separated, and the list
543 * ends with a doubled null. Any character (except null and
544 * including backslash) may be escaped by preceding it with a
545 * backslash (the backslash will be stripped).
546 * Returns number of words in result buffer.
549 tokenize(const char *str, char **dest, char ***destv)
551 char *retstart = NULL;
552 char **retvstart = 0;
555 int slen = strlen(str);
558 Newx(ret, slen+2, char);
559 Newx(retv, (slen+3)/2, char*);
567 if (*ret == '\\' && *str)
569 else if (*ret == ' ') {
585 retvstart[items] = NULL;
598 if (!w32_perlshell_tokens) {
599 /* we don't use COMSPEC here for two reasons:
600 * 1. the same reason perl on UNIX doesn't use SHELL--rampant and
601 * uncontrolled unportability of the ensuing scripts.
602 * 2. PERL5SHELL could be set to a shell that may not be fit for
603 * interactive use (which is what most programs look in COMSPEC
606 const char* defaultshell = "cmd.exe /x/d/c";
607 const char *usershell = PerlEnv_getenv("PERL5SHELL");
608 w32_perlshell_items = tokenize(usershell ? usershell : defaultshell,
609 &w32_perlshell_tokens,
615 Perl_do_aspawn(pTHX_ SV *really, SV **mark, SV **sp)
623 PERL_ARGS_ASSERT_DO_ASPAWN;
629 Newx(argv, (sp - mark) + w32_perlshell_items + 2, char*);
631 if (SvNIOKp(*(mark+1)) && !SvPOKp(*(mark+1))) {
636 while (++mark <= sp) {
637 if (*mark && (str = SvPV_nolen(*mark)))
644 status = win32_spawnvp(flag,
645 (const char*)(really ? SvPV_nolen(really) : argv[0]),
646 (const char* const*)argv);
648 if (status < 0 && (errno == ENOEXEC || errno == ENOENT)) {
649 /* possible shell-builtin, invoke with shell */
651 sh_items = w32_perlshell_items;
653 argv[index+sh_items] = argv[index];
654 while (--sh_items >= 0)
655 argv[sh_items] = w32_perlshell_vec[sh_items];
657 status = win32_spawnvp(flag,
658 (const char*)(really ? SvPV_nolen(really) : argv[0]),
659 (const char* const*)argv);
662 if (flag == P_NOWAIT) {
663 PL_statusvalue = -1; /* >16bits hint for pp_system() */
667 if (ckWARN(WARN_EXEC))
668 Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't spawn \"%s\": %s", argv[0], strerror(errno));
673 PL_statusvalue = status;
679 /* returns pointer to the next unquoted space or the end of the string */
681 find_next_space(const char *s)
683 bool in_quotes = FALSE;
685 /* ignore doubled backslashes, or backslash+quote */
686 if (*s == '\\' && (s[1] == '\\' || s[1] == '"')) {
689 /* keep track of when we're within quotes */
690 else if (*s == '"') {
692 in_quotes = !in_quotes;
694 /* break it up only at spaces that aren't in quotes */
695 else if (!in_quotes && isSPACE(*s))
704 do_spawn2(pTHX_ const char *cmd, int exectype) {
705 return do_spawn2_handles(aTHX_ cmd, exectype, NULL);
709 do_spawn2_handles(pTHX_ const char *cmd, int exectype, const int *handles)
715 BOOL needToTry = TRUE;
718 /* Save an extra exec if possible. See if there are shell
719 * metacharacters in it */
720 if (!has_shell_metachars(cmd)) {
721 Newx(argv, strlen(cmd) / 2 + 2, char*);
722 Newx(cmd2, strlen(cmd) + 1, char);
725 for (s = cmd2; *s;) {
726 while (*s && isSPACE(*s))
730 s = find_next_space(s);
738 status = win32_spawnvp(P_WAIT, argv[0],
739 (const char* const*)argv);
741 case EXECF_SPAWN_NOWAIT:
742 status = do_spawnvp_handles(P_NOWAIT, argv[0],
743 (const char* const*)argv, handles);
746 status = win32_execvp(argv[0], (const char* const*)argv);
749 if (status != -1 || errno == 0)
759 Newx(argv, w32_perlshell_items + 2, char*);
760 while (++i < w32_perlshell_items)
761 argv[i] = w32_perlshell_vec[i];
762 argv[i++] = (char *)cmd;
766 status = win32_spawnvp(P_WAIT, argv[0],
767 (const char* const*)argv);
769 case EXECF_SPAWN_NOWAIT:
770 status = do_spawnvp_handles(P_NOWAIT, argv[0],
771 (const char* const*)argv, handles);
774 status = win32_execvp(argv[0], (const char* const*)argv);
780 if (exectype == EXECF_SPAWN_NOWAIT) {
781 PL_statusvalue = -1; /* >16bits hint for pp_system() */
785 if (ckWARN(WARN_EXEC))
786 Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't %s \"%s\": %s",
787 (exectype == EXECF_EXEC ? "exec" : "spawn"),
788 cmd, strerror(errno));
793 PL_statusvalue = status;
799 Perl_do_spawn(pTHX_ char *cmd)
801 PERL_ARGS_ASSERT_DO_SPAWN;
803 return do_spawn2(aTHX_ cmd, EXECF_SPAWN);
807 Perl_do_spawn_nowait(pTHX_ char *cmd)
809 PERL_ARGS_ASSERT_DO_SPAWN_NOWAIT;
811 return do_spawn2(aTHX_ cmd, EXECF_SPAWN_NOWAIT);
815 Perl_do_exec(pTHX_ const char *cmd)
817 PERL_ARGS_ASSERT_DO_EXEC;
819 do_spawn2(aTHX_ cmd, EXECF_EXEC);
823 /* The idea here is to read all the directory names into a string table
824 * (separated by nulls) and when one of the other dir functions is called
825 * return the pointer to the current file name.
828 win32_opendir(const char *filename)
834 char scanname[MAX_PATH+3];
835 WCHAR wscanname[sizeof(scanname)];
836 WIN32_FIND_DATAW wFindData;
837 char buffer[MAX_PATH*2];
840 len = strlen(filename);
845 if (len > MAX_PATH) {
846 errno = ENAMETOOLONG;
850 /* Get us a DIR structure */
853 /* Create the search pattern */
854 strcpy(scanname, filename);
856 /* bare drive name means look in cwd for drive */
857 if (len == 2 && isALPHA(scanname[0]) && scanname[1] == ':') {
858 scanname[len++] = '.';
859 scanname[len++] = '/';
861 else if (scanname[len-1] != '/' && scanname[len-1] != '\\') {
862 scanname[len++] = '/';
864 scanname[len++] = '*';
865 scanname[len] = '\0';
867 /* do the FindFirstFile call */
868 MultiByteToWideChar(CP_ACP, 0, scanname, -1, wscanname, sizeof(wscanname)/sizeof(WCHAR));
870 dirp->handle = FindFirstFileW(PerlDir_mapW(wscanname), &wFindData);
872 if (dirp->handle == INVALID_HANDLE_VALUE) {
873 DWORD err = GetLastError();
874 /* FindFirstFile() fails on empty drives! */
876 case ERROR_FILE_NOT_FOUND:
878 case ERROR_NO_MORE_FILES:
879 case ERROR_PATH_NOT_FOUND:
882 case ERROR_NOT_ENOUGH_MEMORY:
894 WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS,
895 wFindData.cFileName, -1,
896 buffer, sizeof(buffer), NULL, &use_default);
897 if (use_default && *wFindData.cAlternateFileName) {
898 WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS,
899 wFindData.cAlternateFileName, -1,
900 buffer, sizeof(buffer), NULL, NULL);
903 /* now allocate the first part of the string table for
904 * the filenames that we find.
906 idx = strlen(buffer)+1;
911 Newx(dirp->start, dirp->size, char);
912 strcpy(dirp->start, buffer);
914 dirp->end = dirp->curr = dirp->start;
920 /* Readdir just returns the current string pointer and bumps the
921 * string pointer to the nDllExport entry.
923 DllExport struct direct *
924 win32_readdir(DIR *dirp)
929 /* first set up the structure to return */
930 len = strlen(dirp->curr);
931 strcpy(dirp->dirstr.d_name, dirp->curr);
932 dirp->dirstr.d_namlen = len;
935 dirp->dirstr.d_ino = dirp->curr - dirp->start;
937 /* Now set up for the next call to readdir */
938 dirp->curr += len + 1;
939 if (dirp->curr >= dirp->end) {
941 char buffer[MAX_PATH*2];
943 if (dirp->handle == INVALID_HANDLE_VALUE) {
946 /* finding the next file that matches the wildcard
947 * (which should be all of them in this directory!).
950 WIN32_FIND_DATAW wFindData;
951 res = FindNextFileW(dirp->handle, &wFindData);
953 BOOL use_default = FALSE;
954 WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS,
955 wFindData.cFileName, -1,
956 buffer, sizeof(buffer), NULL, &use_default);
957 if (use_default && *wFindData.cAlternateFileName) {
958 WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS,
959 wFindData.cAlternateFileName, -1,
960 buffer, sizeof(buffer), NULL, NULL);
965 long endpos = dirp->end - dirp->start;
966 long newsize = endpos + strlen(buffer) + 1;
967 /* bump the string table size by enough for the
968 * new name and its null terminator */
969 while (newsize > dirp->size) {
970 long curpos = dirp->curr - dirp->start;
972 Renew(dirp->start, dirp->size, char);
973 dirp->curr = dirp->start + curpos;
975 strcpy(dirp->start + endpos, buffer);
976 dirp->end = dirp->start + newsize;
981 if (dirp->handle != INVALID_HANDLE_VALUE) {
982 FindClose(dirp->handle);
983 dirp->handle = INVALID_HANDLE_VALUE;
987 return &(dirp->dirstr);
993 /* Telldir returns the current string pointer position */
995 win32_telldir(DIR *dirp)
997 return dirp->curr ? (dirp->curr - dirp->start) : -1;
1001 /* Seekdir moves the string pointer to a previously saved position
1002 * (returned by telldir).
1005 win32_seekdir(DIR *dirp, long loc)
1007 dirp->curr = loc == -1 ? NULL : dirp->start + loc;
1010 /* Rewinddir resets the string pointer to the start */
1012 win32_rewinddir(DIR *dirp)
1014 dirp->curr = dirp->start;
1017 /* free the memory allocated by opendir */
1019 win32_closedir(DIR *dirp)
1021 if (dirp->handle != INVALID_HANDLE_VALUE)
1022 FindClose(dirp->handle);
1023 Safefree(dirp->start);
1028 /* duplicate a open DIR* for interpreter cloning */
1030 win32_dirp_dup(DIR *const dirp, CLONE_PARAMS *const param)
1033 PerlInterpreter *const from = param->proto_perl;
1034 PerlInterpreter *const to = (PerlInterpreter *)PERL_GET_THX;
1039 /* switch back to original interpreter because win32_readdir()
1040 * might Renew(dirp->start).
1046 /* mark current position; read all remaining entries into the
1047 * cache, and then restore to current position.
1049 pos = win32_telldir(dirp);
1050 while (win32_readdir(dirp)) {
1051 /* read all entries into cache */
1053 win32_seekdir(dirp, pos);
1055 /* switch back to new interpreter to allocate new DIR structure */
1061 memcpy(dup, dirp, sizeof(DIR));
1063 Newx(dup->start, dirp->size, char);
1064 memcpy(dup->start, dirp->start, dirp->size);
1066 dup->end = dup->start + (dirp->end - dirp->start);
1068 dup->curr = dup->start + (dirp->curr - dirp->start);
1080 * Just pretend that everyone is a superuser. NT will let us know if
1081 * we don\'t really have permission to do something.
1084 #define ROOT_UID ((uid_t)0)
1085 #define ROOT_GID ((gid_t)0)
1114 return (auid == ROOT_UID ? 0 : -1);
1120 return (agid == ROOT_GID ? 0 : -1);
1127 char *buf = w32_getlogin_buffer;
1128 DWORD size = sizeof(w32_getlogin_buffer);
1129 if (GetUserName(buf,&size))
1135 chown(const char *path, uid_t owner, gid_t group)
1142 * XXX this needs strengthening (for PerlIO)
1145 #if !defined(__MINGW64_VERSION_MAJOR) || __MINGW64_VERSION_MAJOR < 4
1146 int mkstemp(const char *path)
1149 char buf[MAX_PATH+1];
1153 if (i++ > 10) { /* give up */
1157 if (!GetTempFileNameA((LPCSTR)path, "plr", 1, buf)) {
1161 fd = PerlLIO_open3(buf, O_CREAT|O_RDWR|O_EXCL, 0600);
1169 find_pid(pTHX_ int pid)
1171 long child = w32_num_children;
1172 while (--child >= 0) {
1173 if ((int)w32_child_pids[child] == pid)
1180 remove_dead_process(long child)
1184 CloseHandle(w32_child_handles[child]);
1185 Move(&w32_child_handles[child+1], &w32_child_handles[child],
1186 (w32_num_children-child-1), HANDLE);
1187 Move(&w32_child_pids[child+1], &w32_child_pids[child],
1188 (w32_num_children-child-1), DWORD);
1195 find_pseudo_pid(pTHX_ int pid)
1197 long child = w32_num_pseudo_children;
1198 while (--child >= 0) {
1199 if ((int)w32_pseudo_child_pids[child] == pid)
1206 remove_dead_pseudo_process(long child)
1210 CloseHandle(w32_pseudo_child_handles[child]);
1211 Move(&w32_pseudo_child_handles[child+1], &w32_pseudo_child_handles[child],
1212 (w32_num_pseudo_children-child-1), HANDLE);
1213 Move(&w32_pseudo_child_pids[child+1], &w32_pseudo_child_pids[child],
1214 (w32_num_pseudo_children-child-1), DWORD);
1215 Move(&w32_pseudo_child_message_hwnds[child+1], &w32_pseudo_child_message_hwnds[child],
1216 (w32_num_pseudo_children-child-1), HWND);
1217 Move(&w32_pseudo_child_sigterm[child+1], &w32_pseudo_child_sigterm[child],
1218 (w32_num_pseudo_children-child-1), char);
1219 w32_num_pseudo_children--;
1224 win32_wait_for_children(pTHX)
1226 if (w32_pseudo_children && w32_num_pseudo_children) {
1229 HANDLE handles[MAXIMUM_WAIT_OBJECTS];
1231 for (child = 0; child < w32_num_pseudo_children; ++child) {
1232 if (!w32_pseudo_child_sigterm[child])
1233 handles[count++] = w32_pseudo_child_handles[child];
1235 /* XXX should use MsgWaitForMultipleObjects() to continue
1236 * XXX processing messages while we wait.
1238 WaitForMultipleObjects(count, handles, TRUE, INFINITE);
1240 while (w32_num_pseudo_children)
1241 CloseHandle(w32_pseudo_child_handles[--w32_num_pseudo_children]);
1247 terminate_process(DWORD pid, HANDLE process_handle, int sig)
1251 /* "Does process exist?" use of kill */
1254 if (GenerateConsoleCtrlEvent(CTRL_C_EVENT, pid))
1259 if (GenerateConsoleCtrlEvent(CTRL_BREAK_EVENT, pid))
1262 default: /* For now be backwards compatible with perl 5.6 */
1264 /* Note that we will only be able to kill processes owned by the
1265 * current process owner, even when we are running as an administrator.
1266 * To kill processes of other owners we would need to set the
1267 * 'SeDebugPrivilege' privilege before obtaining the process handle.
1269 if (TerminateProcess(process_handle, sig))
1276 /* returns number of processes killed */
1278 my_killpg(int pid, int sig)
1280 HANDLE process_handle;
1281 HANDLE snapshot_handle;
1284 process_handle = OpenProcess(PROCESS_TERMINATE, FALSE, pid);
1285 if (process_handle == NULL)
1288 killed += terminate_process(pid, process_handle, sig);
1290 snapshot_handle = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
1291 if (snapshot_handle != INVALID_HANDLE_VALUE) {
1292 PROCESSENTRY32 entry;
1294 entry.dwSize = sizeof(entry);
1295 if (Process32First(snapshot_handle, &entry)) {
1297 if (entry.th32ParentProcessID == (DWORD)pid)
1298 killed += my_killpg(entry.th32ProcessID, sig);
1299 entry.dwSize = sizeof(entry);
1301 while (Process32Next(snapshot_handle, &entry));
1303 CloseHandle(snapshot_handle);
1305 CloseHandle(process_handle);
1309 /* returns number of processes killed */
1311 my_kill(int pid, int sig)
1314 HANDLE process_handle;
1317 return my_killpg(pid, -sig);
1319 process_handle = OpenProcess(PROCESS_TERMINATE, FALSE, pid);
1320 /* OpenProcess() returns NULL on error, *not* INVALID_HANDLE_VALUE */
1321 if (process_handle != NULL) {
1322 retval = terminate_process(pid, process_handle, sig);
1323 CloseHandle(process_handle);
1329 /* Get a child pseudo-process HWND, with retrying and delaying/yielding.
1330 * The "tries" parameter is the number of retries to make, with a Sleep(1)
1331 * (waiting and yielding the time slot) between each try. Specifying 0 causes
1332 * only Sleep(0) (no waiting and potentially no yielding) to be used, so is not
1334 * Returns an hwnd != INVALID_HANDLE_VALUE (so be aware that NULL can be
1335 * returned) or croaks if the child pseudo-process doesn't schedule and deliver
1336 * a HWND in the time period allowed.
1339 get_hwnd_delay(pTHX, long child, DWORD tries)
1341 HWND hwnd = w32_pseudo_child_message_hwnds[child];
1342 if (hwnd != INVALID_HANDLE_VALUE) return hwnd;
1344 /* Pseudo-process has not yet properly initialized since hwnd isn't set.
1345 * Fast sleep: On some NT kernels/systems, a Sleep(0) won't deschedule a
1346 * thread 100% of the time since threads are attached to a CPU for NUMA and
1347 * caching reasons, and the child thread was attached to a different CPU
1348 * therefore there is no workload on that CPU and Sleep(0) returns control
1349 * without yielding the time slot.
1350 * https://rt.perl.org/rt3/Ticket/Display.html?id=88840
1353 win32_async_check(aTHX);
1354 hwnd = w32_pseudo_child_message_hwnds[child];
1355 if (hwnd != INVALID_HANDLE_VALUE) return hwnd;
1358 unsigned int count = 0;
1359 /* No Sleep(1) if tries==0, just fail instead if we get this far. */
1360 while (count++ < tries) {
1362 win32_async_check(aTHX);
1363 hwnd = w32_pseudo_child_message_hwnds[child];
1364 if (hwnd != INVALID_HANDLE_VALUE) return hwnd;
1368 Perl_croak(aTHX_ "panic: child pseudo-process was never scheduled");
1373 win32_kill(int pid, int sig)
1379 /* it is a pseudo-forked child */
1380 child = find_pseudo_pid(aTHX_ -pid);
1382 HANDLE hProcess = w32_pseudo_child_handles[child];
1385 /* "Does process exist?" use of kill */
1389 /* kill -9 style un-graceful exit */
1390 /* Do a wait to make sure child starts and isn't in DLL
1392 HWND hwnd = get_hwnd_delay(aTHX, child, 5);
1393 if (TerminateThread(hProcess, sig)) {
1394 /* Allow the scheduler to finish cleaning up the other
1396 * Otherwise, if we ExitProcess() before another context
1397 * switch happens we will end up with a process exit
1398 * code of "sig" instead of our own exit status.
1399 * https://rt.cpan.org/Ticket/Display.html?id=66016#txn-908976
1402 remove_dead_pseudo_process(child);
1409 HWND hwnd = get_hwnd_delay(aTHX, child, 5);
1410 /* We fake signals to pseudo-processes using Win32
1412 if ((hwnd != NULL && PostMessage(hwnd, WM_USER_KILL, sig, 0)) ||
1413 PostThreadMessage(-pid, WM_USER_KILL, sig, 0))
1415 /* Don't wait for child process to terminate after we send a
1416 * SIGTERM because the child may be blocked in a system call
1417 * and never receive the signal.
1419 if (sig == SIGTERM) {
1421 w32_pseudo_child_sigterm[child] = 1;
1423 /* It might be us ... */
1435 child = find_pid(aTHX_ pid);
1437 if (my_kill(pid, sig)) {
1439 if (GetExitCodeProcess(w32_child_handles[child], &exitcode) &&
1440 exitcode != STILL_ACTIVE)
1442 remove_dead_process(child);
1448 if (my_kill(pid, sig))
1457 win32_stat(const char *path, Stat_t *sbuf)
1459 char buffer[MAX_PATH+1];
1460 int l = strlen(path);
1464 BOOL expect_dir = FALSE;
1467 switch(path[l - 1]) {
1468 /* FindFirstFile() and stat() are buggy with a trailing
1469 * slashes, except for the root directory of a drive */
1472 if (l > sizeof(buffer)) {
1473 errno = ENAMETOOLONG;
1477 strncpy(buffer, path, l);
1478 /* remove additional trailing slashes */
1479 while (l > 1 && (buffer[l-1] == '/' || buffer[l-1] == '\\'))
1481 /* add back slash if we otherwise end up with just a drive letter */
1482 if (l == 2 && isALPHA(buffer[0]) && buffer[1] == ':')
1489 /* FindFirstFile() is buggy with "x:", so add a dot :-( */
1491 if (l == 2 && isALPHA(path[0])) {
1492 buffer[0] = path[0];
1503 path = PerlDir_mapA(path);
1506 if (!w32_sloppystat) {
1507 /* We must open & close the file once; otherwise file attribute changes */
1508 /* might not yet have propagated to "other" hard links of the same file. */
1509 /* This also gives us an opportunity to determine the number of links. */
1510 HANDLE handle = CreateFileA(path, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
1511 if (handle != INVALID_HANDLE_VALUE) {
1512 BY_HANDLE_FILE_INFORMATION bhi;
1513 if (GetFileInformationByHandle(handle, &bhi))
1514 nlink = bhi.nNumberOfLinks;
1515 CloseHandle(handle);
1519 /* path will be mapped correctly above */
1520 #if defined(WIN64) || defined(USE_LARGE_FILES)
1521 res = _stati64(path, sbuf);
1523 res = stat(path, sbuf);
1525 sbuf->st_nlink = nlink;
1528 /* CRT is buggy on sharenames, so make sure it really isn't.
1529 * XXX using GetFileAttributesEx() will enable us to set
1530 * sbuf->st_*time (but note that's not available on the
1531 * Windows of 1995) */
1532 DWORD r = GetFileAttributesA(path);
1533 if (r != 0xffffffff && (r & FILE_ATTRIBUTE_DIRECTORY)) {
1534 /* sbuf may still contain old garbage since stat() failed */
1535 Zero(sbuf, 1, Stat_t);
1536 sbuf->st_mode = S_IFDIR | S_IREAD;
1538 if (!(r & FILE_ATTRIBUTE_READONLY))
1539 sbuf->st_mode |= S_IWRITE | S_IEXEC;
1544 if (l == 3 && isALPHA(path[0]) && path[1] == ':'
1545 && (path[2] == '\\' || path[2] == '/'))
1547 /* The drive can be inaccessible, some _stat()s are buggy */
1548 if (!GetVolumeInformationA(path,NULL,0,NULL,NULL,NULL,NULL,0)) {
1553 if (expect_dir && !S_ISDIR(sbuf->st_mode)) {
1557 if (S_ISDIR(sbuf->st_mode)) {
1558 /* Ensure the "write" bit is switched off in the mode for
1559 * directories with the read-only attribute set. Some compilers
1560 * switch it on for directories, which is technically correct
1561 * (directories are indeed always writable unless denied by DACLs),
1562 * but we want stat() and -w to reflect the state of the read-only
1563 * attribute for symmetry with chmod(). */
1564 DWORD r = GetFileAttributesA(path);
1565 if (r != 0xffffffff && (r & FILE_ATTRIBUTE_READONLY)) {
1566 sbuf->st_mode &= ~S_IWRITE;
1573 #define isSLASH(c) ((c) == '/' || (c) == '\\')
1574 #define SKIP_SLASHES(s) \
1576 while (*(s) && isSLASH(*(s))) \
1579 #define COPY_NONSLASHES(d,s) \
1581 while (*(s) && !isSLASH(*(s))) \
1585 /* Find the longname of a given path. path is destructively modified.
1586 * It should have space for at least MAX_PATH characters. */
1588 win32_longpath(char *path)
1590 WIN32_FIND_DATA fdata;
1592 char tmpbuf[MAX_PATH+1];
1593 char *tmpstart = tmpbuf;
1600 if (isALPHA(path[0]) && path[1] == ':') {
1602 *tmpstart++ = path[0];
1606 else if (isSLASH(path[0]) && isSLASH(path[1])) {
1608 *tmpstart++ = path[0];
1609 *tmpstart++ = path[1];
1610 SKIP_SLASHES(start);
1611 COPY_NONSLASHES(tmpstart,start); /* copy machine name */
1613 *tmpstart++ = *start++;
1614 SKIP_SLASHES(start);
1615 COPY_NONSLASHES(tmpstart,start); /* copy share name */
1620 /* copy initial slash, if any */
1621 if (isSLASH(*start)) {
1622 *tmpstart++ = *start++;
1624 SKIP_SLASHES(start);
1627 /* FindFirstFile() expands "." and "..", so we need to pass
1628 * those through unmolested */
1630 && (!start[1] || isSLASH(start[1])
1631 || (start[1] == '.' && (!start[2] || isSLASH(start[2])))))
1633 COPY_NONSLASHES(tmpstart,start); /* copy "." or ".." */
1638 /* if this is the end, bust outta here */
1642 /* now we're at a non-slash; walk up to next slash */
1643 while (*start && !isSLASH(*start))
1646 /* stop and find full name of component */
1649 fhand = FindFirstFile(path,&fdata);
1651 if (fhand != INVALID_HANDLE_VALUE) {
1652 STRLEN len = strlen(fdata.cFileName);
1653 if ((STRLEN)(tmpbuf + sizeof(tmpbuf) - tmpstart) > len) {
1654 strcpy(tmpstart, fdata.cFileName);
1665 /* failed a step, just return without side effects */
1666 /*PerlIO_printf(Perl_debug_log, "Failed to find %s\n", path);*/
1671 strcpy(path,tmpbuf);
1684 win32_croak_not_implemented(const char * fname)
1686 PERL_ARGS_ASSERT_WIN32_CROAK_NOT_IMPLEMENTED;
1688 Perl_croak_nocontext("%s not implemented!\n", fname);
1691 /* Converts a wide character (UTF-16) string to the Windows ANSI code page,
1692 * potentially using the system's default replacement character for any
1693 * unrepresentable characters. The caller must free() the returned string. */
1695 wstr_to_str(const wchar_t* wstr)
1697 BOOL used_default = FALSE;
1698 size_t wlen = wcslen(wstr) + 1;
1699 int len = WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, wstr, wlen,
1700 NULL, 0, NULL, NULL);
1701 char* str = (char*)malloc(len);
1704 WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, wstr, wlen,
1705 str, len, NULL, &used_default);
1709 /* The win32_ansipath() function takes a Unicode filename and converts it
1710 * into the current Windows codepage. If some characters cannot be mapped,
1711 * then it will convert the short name instead.
1713 * The buffer to the ansi pathname must be freed with win32_free() when it
1714 * it no longer needed.
1716 * The argument to win32_ansipath() must exist before this function is
1717 * called; otherwise there is no way to determine the short path name.
1719 * Ideas for future refinement:
1720 * - Only convert those segments of the path that are not in the current
1721 * codepage, but leave the other segments in their long form.
1722 * - If the resulting name is longer than MAX_PATH, start converting
1723 * additional path segments into short names until the full name
1724 * is shorter than MAX_PATH. Shorten the filename part last!
1727 win32_ansipath(const WCHAR *widename)
1730 BOOL use_default = FALSE;
1731 size_t widelen = wcslen(widename)+1;
1732 int len = WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, widename, widelen,
1733 NULL, 0, NULL, NULL);
1734 name = (char*)win32_malloc(len);
1738 WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, widename, widelen,
1739 name, len, NULL, &use_default);
1741 DWORD shortlen = GetShortPathNameW(widename, NULL, 0);
1743 WCHAR *shortname = (WCHAR*)win32_malloc(shortlen*sizeof(WCHAR));
1746 shortlen = GetShortPathNameW(widename, shortname, shortlen)+1;
1748 len = WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, shortname, shortlen,
1749 NULL, 0, NULL, NULL);
1750 name = (char*)win32_realloc(name, len);
1753 WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, shortname, shortlen,
1754 name, len, NULL, NULL);
1755 win32_free(shortname);
1761 /* the returned string must be freed with win32_freeenvironmentstrings which is
1762 * implemented as a macro
1763 * void win32_freeenvironmentstrings(void* block)
1766 win32_getenvironmentstrings(void)
1768 LPWSTR lpWStr, lpWTmp;
1770 DWORD env_len, wenvstrings_len = 0, aenvstrings_len = 0;
1772 /* Get the process environment strings */
1773 lpWTmp = lpWStr = (LPWSTR) GetEnvironmentStringsW();
1774 for (wenvstrings_len = 1; *lpWTmp != '\0'; lpWTmp += env_len + 1) {
1775 env_len = wcslen(lpWTmp);
1776 /* calculate the size of the environment strings */
1777 wenvstrings_len += env_len + 1;
1780 /* Get the number of bytes required to store the ACP encoded string */
1781 aenvstrings_len = WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS,
1782 lpWStr, wenvstrings_len, NULL, 0, NULL, NULL);
1783 lpTmp = lpStr = (char *)win32_calloc(aenvstrings_len, sizeof(char));
1787 /* Convert the string from UTF-16 encoding to ACP encoding */
1788 WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, lpWStr, wenvstrings_len, lpStr,
1789 aenvstrings_len, NULL, NULL);
1791 FreeEnvironmentStringsW(lpWStr);
1797 win32_getenv(const char *name)
1804 needlen = GetEnvironmentVariableA(name,NULL,0);
1806 curitem = sv_2mortal(newSVpvs(""));
1808 SvGROW(curitem, needlen+1);
1809 needlen = GetEnvironmentVariableA(name,SvPVX(curitem),
1811 } while (needlen >= SvLEN(curitem));
1812 SvCUR_set(curitem, needlen);
1815 last_err = GetLastError();
1816 if (last_err == ERROR_NOT_ENOUGH_MEMORY) {
1817 /* It appears the variable is in the env, but the Win32 API
1818 doesn't have a canned way of getting it. So we fall back to
1819 grabbing the whole env and pulling this value out if possible */
1820 char *envv = GetEnvironmentStrings();
1824 char *end = strchr(cur,'=');
1825 if (end && end != cur) {
1827 if (!strcmp(cur,name)) {
1828 curitem = sv_2mortal(newSVpv(end+1,0));
1833 cur = end + strlen(end+1)+2;
1835 else if ((len = strlen(cur)))
1838 FreeEnvironmentStrings(envv);
1840 #ifndef WIN32_NO_REGISTRY
1842 /* last ditch: allow any environment variables that begin with 'PERL'
1843 to be obtained from the registry, if found there */
1844 if (strncmp(name, "PERL", 4) == 0)
1845 (void)get_regstr(name, &curitem);
1849 if (curitem && SvCUR(curitem))
1850 return SvPVX(curitem);
1856 win32_putenv(const char *name)
1863 curitem = (char *) win32_malloc(strlen(name)+1);
1864 strcpy(curitem, name);
1865 val = strchr(curitem, '=');
1867 /* The sane way to deal with the environment.
1868 * Has these advantages over putenv() & co.:
1869 * * enables us to store a truly empty value in the
1870 * environment (like in UNIX).
1871 * * we don't have to deal with RTL globals, bugs and leaks
1872 * (specifically, see http://support.microsoft.com/kb/235601).
1874 * Why you may want to use the RTL environment handling
1875 * (previously enabled by USE_WIN32_RTL_ENV):
1876 * * environ[] and RTL functions will not reflect changes,
1877 * which might be an issue if extensions want to access
1878 * the env. via RTL. This cuts both ways, since RTL will
1879 * not see changes made by extensions that call the Win32
1880 * functions directly, either.
1884 if (SetEnvironmentVariableA(curitem, *val ? val : NULL))
1887 win32_free(curitem);
1893 filetime_to_clock(PFILETIME ft)
1895 __int64 qw = ft->dwHighDateTime;
1897 qw |= ft->dwLowDateTime;
1898 qw /= 10000; /* File time ticks at 0.1uS, clock at 1mS */
1903 win32_times(struct tms *timebuf)
1908 clock_t process_time_so_far = clock();
1909 if (GetProcessTimes(GetCurrentProcess(), &dummy, &dummy,
1911 timebuf->tms_utime = filetime_to_clock(&user);
1912 timebuf->tms_stime = filetime_to_clock(&kernel);
1913 timebuf->tms_cutime = 0;
1914 timebuf->tms_cstime = 0;
1916 /* That failed - e.g. Win95 fallback to clock() */
1917 timebuf->tms_utime = process_time_so_far;
1918 timebuf->tms_stime = 0;
1919 timebuf->tms_cutime = 0;
1920 timebuf->tms_cstime = 0;
1922 return process_time_so_far;
1925 /* fix utime() so it works on directories in NT */
1927 filetime_from_time(PFILETIME pFileTime, time_t Time)
1929 struct tm *pTM = localtime(&Time);
1930 SYSTEMTIME SystemTime;
1936 SystemTime.wYear = pTM->tm_year + 1900;
1937 SystemTime.wMonth = pTM->tm_mon + 1;
1938 SystemTime.wDay = pTM->tm_mday;
1939 SystemTime.wHour = pTM->tm_hour;
1940 SystemTime.wMinute = pTM->tm_min;
1941 SystemTime.wSecond = pTM->tm_sec;
1942 SystemTime.wMilliseconds = 0;
1944 return SystemTimeToFileTime(&SystemTime, &LocalTime) &&
1945 LocalFileTimeToFileTime(&LocalTime, pFileTime);
1949 win32_unlink(const char *filename)
1955 filename = PerlDir_mapA(filename);
1956 attrs = GetFileAttributesA(filename);
1957 if (attrs == 0xFFFFFFFF) {
1961 if (attrs & FILE_ATTRIBUTE_READONLY) {
1962 (void)SetFileAttributesA(filename, attrs & ~FILE_ATTRIBUTE_READONLY);
1963 ret = unlink(filename);
1965 (void)SetFileAttributesA(filename, attrs);
1968 ret = unlink(filename);
1973 win32_utime(const char *filename, struct utimbuf *times)
1980 struct utimbuf TimeBuffer;
1983 filename = PerlDir_mapA(filename);
1984 rc = utime(filename, times);
1986 /* EACCES: path specifies directory or readonly file */
1987 if (rc == 0 || errno != EACCES)
1990 if (times == NULL) {
1991 times = &TimeBuffer;
1992 time(×->actime);
1993 times->modtime = times->actime;
1996 /* This will (and should) still fail on readonly files */
1997 handle = CreateFileA(filename, GENERIC_READ | GENERIC_WRITE,
1998 FILE_SHARE_READ | FILE_SHARE_DELETE, NULL,
1999 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
2000 if (handle == INVALID_HANDLE_VALUE)
2003 if (GetFileTime(handle, &ftCreate, &ftAccess, &ftWrite) &&
2004 filetime_from_time(&ftAccess, times->actime) &&
2005 filetime_from_time(&ftWrite, times->modtime) &&
2006 SetFileTime(handle, &ftCreate, &ftAccess, &ftWrite))
2011 CloseHandle(handle);
2016 unsigned __int64 ft_i64;
2021 #define Const64(x) x##LL
2023 #define Const64(x) x##i64
2025 /* Number of 100 nanosecond units from 1/1/1601 to 1/1/1970 */
2026 #define EPOCH_BIAS Const64(116444736000000000)
2028 /* NOTE: This does not compute the timezone info (doing so can be expensive,
2029 * and appears to be unsupported even by glibc) */
2031 win32_gettimeofday(struct timeval *tp, void *not_used)
2035 /* this returns time in 100-nanosecond units (i.e. tens of usecs) */
2036 GetSystemTimeAsFileTime(&ft.ft_val);
2038 /* seconds since epoch */
2039 tp->tv_sec = (long)((ft.ft_i64 - EPOCH_BIAS) / Const64(10000000));
2041 /* microseconds remaining */
2042 tp->tv_usec = (long)((ft.ft_i64 / Const64(10)) % Const64(1000000));
2048 win32_uname(struct utsname *name)
2050 struct hostent *hep;
2051 STRLEN nodemax = sizeof(name->nodename)-1;
2054 switch (g_osver.dwPlatformId) {
2055 case VER_PLATFORM_WIN32_WINDOWS:
2056 strcpy(name->sysname, "Windows");
2058 case VER_PLATFORM_WIN32_NT:
2059 strcpy(name->sysname, "Windows NT");
2061 case VER_PLATFORM_WIN32s:
2062 strcpy(name->sysname, "Win32s");
2065 strcpy(name->sysname, "Win32 Unknown");
2070 sprintf(name->release, "%d.%d",
2071 g_osver.dwMajorVersion, g_osver.dwMinorVersion);
2074 sprintf(name->version, "Build %d",
2075 g_osver.dwPlatformId == VER_PLATFORM_WIN32_NT
2076 ? g_osver.dwBuildNumber : (g_osver.dwBuildNumber & 0xffff));
2077 if (g_osver.szCSDVersion[0]) {
2078 char *buf = name->version + strlen(name->version);
2079 sprintf(buf, " (%s)", g_osver.szCSDVersion);
2083 hep = win32_gethostbyname("localhost");
2085 STRLEN len = strlen(hep->h_name);
2086 if (len <= nodemax) {
2087 strcpy(name->nodename, hep->h_name);
2090 strncpy(name->nodename, hep->h_name, nodemax);
2091 name->nodename[nodemax] = '\0';
2096 if (!GetComputerName(name->nodename, &sz))
2097 *name->nodename = '\0';
2100 /* machine (architecture) */
2105 GetSystemInfo(&info);
2107 #if (defined(__MINGW32__) && !defined(_ANONYMOUS_UNION) && !defined(__MINGW_EXTENSION))
2108 procarch = info.u.s.wProcessorArchitecture;
2110 procarch = info.wProcessorArchitecture;
2113 case PROCESSOR_ARCHITECTURE_INTEL:
2114 arch = "x86"; break;
2115 case PROCESSOR_ARCHITECTURE_IA64:
2116 arch = "ia64"; break;
2117 case PROCESSOR_ARCHITECTURE_AMD64:
2118 arch = "amd64"; break;
2119 case PROCESSOR_ARCHITECTURE_UNKNOWN:
2120 arch = "unknown"; break;
2122 sprintf(name->machine, "unknown(0x%x)", procarch);
2123 arch = name->machine;
2126 if (name->machine != arch)
2127 strcpy(name->machine, arch);
2132 /* Timing related stuff */
2135 do_raise(pTHX_ int sig)
2137 if (sig < SIG_SIZE) {
2138 Sighandler_t handler = w32_sighandler[sig];
2139 if (handler == SIG_IGN) {
2142 else if (handler != SIG_DFL) {
2147 /* Choose correct default behaviour */
2163 /* Tell caller to exit thread/process as appropriate */
2168 sig_terminate(pTHX_ int sig)
2170 Perl_warn(aTHX_ "Terminating on signal SIG%s(%d)\n",PL_sig_name[sig], sig);
2171 /* exit() seems to be safe, my_exit() or die() is a problem in ^C
2178 win32_async_check(pTHX)
2181 HWND hwnd = w32_message_hwnd;
2183 /* Reset w32_poll_count before doing anything else, incase we dispatch
2184 * messages that end up calling back into perl */
2187 if (hwnd != INVALID_HANDLE_VALUE) {
2188 /* Passing PeekMessage -1 as HWND (2nd arg) only gets PostThreadMessage() messages
2189 * and ignores window messages - should co-exist better with windows apps e.g. Tk
2194 while (PeekMessage(&msg, hwnd, WM_TIMER, WM_TIMER, PM_REMOVE|PM_NOYIELD) ||
2195 PeekMessage(&msg, hwnd, WM_USER_MIN, WM_USER_MAX, PM_REMOVE|PM_NOYIELD))
2197 /* re-post a WM_QUIT message (we'll mark it as read later) */
2198 if(msg.message == WM_QUIT) {
2199 PostQuitMessage((int)msg.wParam);
2203 if(!CallMsgFilter(&msg, MSGF_USER))
2205 TranslateMessage(&msg);
2206 DispatchMessage(&msg);
2211 /* Call PeekMessage() to mark all pending messages in the queue as "old".
2212 * This is necessary when we are being called by win32_msgwait() to
2213 * make sure MsgWaitForMultipleObjects() stops reporting the same waiting
2214 * message over and over. An example how this can happen is when
2215 * Perl is calling win32_waitpid() inside a GUI application and the GUI
2216 * is generating messages before the process terminated.
2218 PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE|PM_NOYIELD);
2220 /* Above or other stuff may have set a signal flag */
2227 /* This function will not return until the timeout has elapsed, or until
2228 * one of the handles is ready. */
2230 win32_msgwait(pTHX_ DWORD count, LPHANDLE handles, DWORD timeout, LPDWORD resultp)
2232 /* We may need several goes at this - so compute when we stop */
2234 unsigned __int64 endtime = timeout;
2235 if (timeout != INFINITE) {
2236 GetSystemTimeAsFileTime(&ticks.ft_val);
2237 ticks.ft_i64 /= 10000;
2238 endtime += ticks.ft_i64;
2240 /* This was a race condition. Do not let a non INFINITE timeout to
2241 * MsgWaitForMultipleObjects roll under 0 creating a near
2242 * infinity/~(UINT32)0 timeout which will appear as a deadlock to the
2243 * user who did a CORE perl function with a non infinity timeout,
2244 * sleep for example. This is 64 to 32 truncation minefield.
2246 * This scenario can only be created if the timespan from the return of
2247 * MsgWaitForMultipleObjects to GetSystemTimeAsFileTime exceeds 1 ms. To
2248 * generate the scenario, manual breakpoints in a C debugger are required,
2249 * or a context switch occurred in win32_async_check in PeekMessage, or random
2250 * messages are delivered to the *thread* message queue of the Perl thread
2251 * from another process (msctf.dll doing IPC among its instances, VS debugger
2252 * causes msctf.dll to be loaded into Perl by kernel), see [perl #33096].
2254 while (ticks.ft_i64 <= endtime) {
2255 /* if timeout's type is lengthened, remember to split 64b timeout
2256 * into multiple non-infinity runs of MWFMO */
2257 DWORD result = MsgWaitForMultipleObjects(count, handles, FALSE,
2258 (DWORD)(endtime - ticks.ft_i64),
2259 QS_POSTMESSAGE|QS_TIMER|QS_SENDMESSAGE);
2262 if (result == WAIT_TIMEOUT) {
2263 /* Ran out of time - explicit return of zero to avoid -ve if we
2264 have scheduling issues
2268 if (timeout != INFINITE) {
2269 GetSystemTimeAsFileTime(&ticks.ft_val);
2270 ticks.ft_i64 /= 10000;
2272 if (result == WAIT_OBJECT_0 + count) {
2273 /* Message has arrived - check it */
2274 (void)win32_async_check(aTHX);
2277 /* Not timeout or message - one of handles is ready */
2281 /* If we are past the end say zero */
2282 if (!ticks.ft_i64 || ticks.ft_i64 > endtime)
2284 /* compute time left to wait */
2285 ticks.ft_i64 = endtime - ticks.ft_i64;
2286 /* if more ms than DWORD, then return max DWORD */
2287 return ticks.ft_i64 <= UINT_MAX ? (DWORD)ticks.ft_i64 : UINT_MAX;
2291 win32_internal_wait(pTHX_ int *status, DWORD timeout)
2293 /* XXX this wait emulation only knows about processes
2294 * spawned via win32_spawnvp(P_NOWAIT, ...).
2297 DWORD exitcode, waitcode;
2300 if (w32_num_pseudo_children) {
2301 win32_msgwait(aTHX_ w32_num_pseudo_children, w32_pseudo_child_handles,
2302 timeout, &waitcode);
2303 /* Time out here if there are no other children to wait for. */
2304 if (waitcode == WAIT_TIMEOUT) {
2305 if (!w32_num_children) {
2309 else if (waitcode != WAIT_FAILED) {
2310 if (waitcode >= WAIT_ABANDONED_0
2311 && waitcode < WAIT_ABANDONED_0 + w32_num_pseudo_children)
2312 i = waitcode - WAIT_ABANDONED_0;
2314 i = waitcode - WAIT_OBJECT_0;
2315 if (GetExitCodeThread(w32_pseudo_child_handles[i], &exitcode)) {
2316 *status = (int)((exitcode & 0xff) << 8);
2317 retval = (int)w32_pseudo_child_pids[i];
2318 remove_dead_pseudo_process(i);
2325 if (!w32_num_children) {
2330 /* if a child exists, wait for it to die */
2331 win32_msgwait(aTHX_ w32_num_children, w32_child_handles, timeout, &waitcode);
2332 if (waitcode == WAIT_TIMEOUT) {
2335 if (waitcode != WAIT_FAILED) {
2336 if (waitcode >= WAIT_ABANDONED_0
2337 && waitcode < WAIT_ABANDONED_0 + w32_num_children)
2338 i = waitcode - WAIT_ABANDONED_0;
2340 i = waitcode - WAIT_OBJECT_0;
2341 if (GetExitCodeProcess(w32_child_handles[i], &exitcode) ) {
2342 *status = (int)((exitcode & 0xff) << 8);
2343 retval = (int)w32_child_pids[i];
2344 remove_dead_process(i);
2349 errno = GetLastError();
2354 win32_waitpid(int pid, int *status, int flags)
2357 DWORD timeout = (flags & WNOHANG) ? 0 : INFINITE;
2360 if (pid == -1) /* XXX threadid == 1 ? */
2361 return win32_internal_wait(aTHX_ status, timeout);
2364 child = find_pseudo_pid(aTHX_ -pid);
2366 HANDLE hThread = w32_pseudo_child_handles[child];
2368 win32_msgwait(aTHX_ 1, &hThread, timeout, &waitcode);
2369 if (waitcode == WAIT_TIMEOUT) {
2372 else if (waitcode == WAIT_OBJECT_0) {
2373 if (GetExitCodeThread(hThread, &waitcode)) {
2374 *status = (int)((waitcode & 0xff) << 8);
2375 retval = (int)w32_pseudo_child_pids[child];
2376 remove_dead_pseudo_process(child);
2388 child = find_pid(aTHX_ pid);
2390 hProcess = w32_child_handles[child];
2391 win32_msgwait(aTHX_ 1, &hProcess, timeout, &waitcode);
2392 if (waitcode == WAIT_TIMEOUT) {
2395 else if (waitcode == WAIT_OBJECT_0) {
2396 if (GetExitCodeProcess(hProcess, &waitcode)) {
2397 *status = (int)((waitcode & 0xff) << 8);
2398 retval = (int)w32_child_pids[child];
2399 remove_dead_process(child);
2407 hProcess = OpenProcess(PROCESS_ALL_ACCESS, TRUE, pid);
2409 win32_msgwait(aTHX_ 1, &hProcess, timeout, &waitcode);
2410 if (waitcode == WAIT_TIMEOUT) {
2411 CloseHandle(hProcess);
2414 else if (waitcode == WAIT_OBJECT_0) {
2415 if (GetExitCodeProcess(hProcess, &waitcode)) {
2416 *status = (int)((waitcode & 0xff) << 8);
2417 CloseHandle(hProcess);
2421 CloseHandle(hProcess);
2427 return retval >= 0 ? pid : retval;
2431 win32_wait(int *status)
2434 return win32_internal_wait(aTHX_ status, INFINITE);
2437 DllExport unsigned int
2438 win32_sleep(unsigned int t)
2441 /* Win32 times are in ms so *1000 in and /1000 out */
2442 if (t > UINT_MAX / 1000) {
2443 Perl_ck_warner(aTHX_ packWARN(WARN_OVERFLOW),
2444 "sleep(%lu) too large", t);
2446 return win32_msgwait(aTHX_ 0, NULL, t * 1000, NULL) / 1000;
2449 DllExport unsigned int
2450 win32_alarm(unsigned int sec)
2453 * the 'obvious' implentation is SetTimer() with a callback
2454 * which does whatever receiving SIGALRM would do
2455 * we cannot use SIGALRM even via raise() as it is not
2456 * one of the supported codes in <signal.h>
2460 if (w32_message_hwnd == INVALID_HANDLE_VALUE)
2461 w32_message_hwnd = win32_create_message_window();
2464 if (w32_message_hwnd == NULL)
2465 w32_timerid = SetTimer(NULL, w32_timerid, sec*1000, NULL);
2468 SetTimer(w32_message_hwnd, w32_timerid, sec*1000, NULL);
2473 KillTimer(w32_message_hwnd, w32_timerid);
2480 extern char * des_fcrypt(const char *txt, const char *salt, char *cbuf);
2483 win32_crypt(const char *txt, const char *salt)
2486 return des_fcrypt(txt, salt, w32_crypt_buffer);
2489 /* simulate flock by locking a range on the file */
2491 #define LK_LEN 0xffff0000
2494 win32_flock(int fd, int oper)
2500 fh = (HANDLE)_get_osfhandle(fd);
2501 if (fh == (HANDLE)-1) /* _get_osfhandle() already sets errno to EBADF */
2504 memset(&o, 0, sizeof(o));
2507 case LOCK_SH: /* shared lock */
2508 if (LockFileEx(fh, 0, 0, LK_LEN, 0, &o))
2511 case LOCK_EX: /* exclusive lock */
2512 if (LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK, 0, LK_LEN, 0, &o))
2515 case LOCK_SH|LOCK_NB: /* non-blocking shared lock */
2516 if (LockFileEx(fh, LOCKFILE_FAIL_IMMEDIATELY, 0, LK_LEN, 0, &o))
2519 case LOCK_EX|LOCK_NB: /* non-blocking exclusive lock */
2520 if (LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK|LOCKFILE_FAIL_IMMEDIATELY,
2524 case LOCK_UN: /* unlock lock */
2525 if (UnlockFileEx(fh, 0, LK_LEN, 0, &o))
2528 default: /* unknown */
2533 if (GetLastError() == ERROR_LOCK_VIOLATION)
2534 errno = EWOULDBLOCK;
2543 extern int convert_wsa_error_to_errno(int wsaerr); /* in win32sck.c */
2545 /* Get the errno value corresponding to the given err. This function is not
2546 * intended to handle conversion of general GetLastError() codes. It only exists
2547 * to translate Windows sockets error codes from WSAGetLastError(). Such codes
2548 * used to be assigned to errno/$! in earlier versions of perl; this function is
2549 * used to catch any old Perl code which is still trying to assign such values
2550 * to $! and convert them to errno values instead.
2553 win32_get_errno(int err)
2555 return convert_wsa_error_to_errno(err);
2559 * redirected io subsystem for all XS modules
2572 return (&(_environ));
2575 /* the rest are the remapped stdio routines */
2595 win32_ferror(FILE *fp)
2597 return (ferror(fp));
2602 win32_feof(FILE *fp)
2607 #ifdef ERRNO_HAS_POSIX_SUPPLEMENT
2608 extern int convert_errno_to_wsa_error(int err); /* in win32sck.c */
2612 * Since the errors returned by the socket error function
2613 * WSAGetLastError() are not known by the library routine strerror
2614 * we have to roll our own to cover the case of socket errors
2615 * that could not be converted to regular errno values by
2616 * get_last_socket_error() in win32/win32sck.c.
2620 win32_strerror(int e)
2622 #if !defined __MINGW32__ /* compiler intolerance */
2623 extern int sys_nerr;
2626 if (e < 0 || e > sys_nerr) {
2630 #ifdef ERRNO_HAS_POSIX_SUPPLEMENT
2631 /* VC10+ and some MinGW/gcc-4.8+ define a "POSIX supplement" of errno
2632 * values ranging from EADDRINUSE (100) to EWOULDBLOCK (140), but
2633 * sys_nerr is still 43 and strerror() returns "Unknown error" for them.
2634 * We must therefore still roll our own messages for these codes, and
2635 * additionally map them to corresponding Windows (sockets) error codes
2636 * first to avoid getting the wrong system message.
2638 else if (e >= EADDRINUSE && e <= EWOULDBLOCK) {
2639 e = convert_errno_to_wsa_error(e);
2643 aTHXa(PERL_GET_THX);
2644 if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM
2645 |FORMAT_MESSAGE_IGNORE_INSERTS, NULL, e, 0,
2646 w32_strerror_buffer, sizeof(w32_strerror_buffer),
2649 strcpy(w32_strerror_buffer, "Unknown Error");
2651 return w32_strerror_buffer;
2655 #define strerror win32_strerror
2659 win32_str_os_error(void *sv, DWORD dwErr)
2663 dwLen = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER
2664 |FORMAT_MESSAGE_IGNORE_INSERTS
2665 |FORMAT_MESSAGE_FROM_SYSTEM, NULL,
2666 dwErr, 0, (char *)&sMsg, 1, NULL);
2667 /* strip trailing whitespace and period */
2670 --dwLen; /* dwLen doesn't include trailing null */
2671 } while (0 < dwLen && isSPACE(sMsg[dwLen]));
2672 if ('.' != sMsg[dwLen])
2677 sMsg = (char*)LocalAlloc(0, 64/**sizeof(TCHAR)*/);
2679 dwLen = sprintf(sMsg,
2680 "Unknown error #0x%lX (lookup 0x%lX)",
2681 dwErr, GetLastError());
2685 sv_setpvn((SV*)sv, sMsg, dwLen);
2691 win32_fprintf(FILE *fp, const char *format, ...)
2694 va_start(marker, format); /* Initialize variable arguments. */
2696 return (vfprintf(fp, format, marker));
2700 win32_printf(const char *format, ...)
2703 va_start(marker, format); /* Initialize variable arguments. */
2705 return (vprintf(format, marker));
2709 win32_vfprintf(FILE *fp, const char *format, va_list args)
2711 return (vfprintf(fp, format, args));
2715 win32_vprintf(const char *format, va_list args)
2717 return (vprintf(format, args));
2721 win32_fread(void *buf, size_t size, size_t count, FILE *fp)
2723 return fread(buf, size, count, fp);
2727 win32_fwrite(const void *buf, size_t size, size_t count, FILE *fp)
2729 return fwrite(buf, size, count, fp);
2732 #define MODE_SIZE 10
2735 win32_fopen(const char *filename, const char *mode)
2743 if (stricmp(filename, "/dev/null")==0)
2746 aTHXa(PERL_GET_THX);
2747 f = fopen(PerlDir_mapA(filename), mode);
2748 /* avoid buffering headaches for child processes */
2749 if (f && *mode == 'a')
2750 win32_fseek(f, 0, SEEK_END);
2755 win32_fdopen(int handle, const char *mode)
2758 f = fdopen(handle, (char *) mode);
2759 /* avoid buffering headaches for child processes */
2760 if (f && *mode == 'a')
2761 win32_fseek(f, 0, SEEK_END);
2766 win32_freopen(const char *path, const char *mode, FILE *stream)
2769 if (stricmp(path, "/dev/null")==0)
2772 aTHXa(PERL_GET_THX);
2773 return freopen(PerlDir_mapA(path), mode, stream);
2777 win32_fclose(FILE *pf)
2779 #ifdef WIN32_NO_SOCKETS
2782 return my_fclose(pf); /* defined in win32sck.c */
2787 win32_fputs(const char *s,FILE *pf)
2789 return fputs(s, pf);
2793 win32_fputc(int c,FILE *pf)
2799 win32_ungetc(int c,FILE *pf)
2801 return ungetc(c,pf);
2805 win32_getc(FILE *pf)
2811 win32_fileno(FILE *pf)
2817 win32_clearerr(FILE *pf)
2824 win32_fflush(FILE *pf)
2830 win32_ftell(FILE *pf)
2832 #if defined(WIN64) || defined(USE_LARGE_FILES)
2834 if (fgetpos(pf, &pos))
2843 win32_fseek(FILE *pf, Off_t offset,int origin)
2845 #if defined(WIN64) || defined(USE_LARGE_FILES)
2849 if (fgetpos(pf, &pos))
2854 fseek(pf, 0, SEEK_END);
2855 pos = _telli64(fileno(pf));
2864 return fsetpos(pf, &offset);
2866 return fseek(pf, (long)offset, origin);
2871 win32_fgetpos(FILE *pf,fpos_t *p)
2873 return fgetpos(pf, p);
2877 win32_fsetpos(FILE *pf,const fpos_t *p)
2879 return fsetpos(pf, p);
2883 win32_rewind(FILE *pf)
2892 char prefix[MAX_PATH+1];
2893 char filename[MAX_PATH+1];
2894 DWORD len = GetTempPath(MAX_PATH, prefix);
2895 if (len && len < MAX_PATH) {
2896 if (GetTempFileName(prefix, "plx", 0, filename)) {
2897 HANDLE fh = CreateFile(filename,
2898 DELETE | GENERIC_READ | GENERIC_WRITE,
2902 FILE_ATTRIBUTE_NORMAL
2903 | FILE_FLAG_DELETE_ON_CLOSE,
2905 if (fh != INVALID_HANDLE_VALUE) {
2906 int fd = win32_open_osfhandle((intptr_t)fh, 0);
2909 DEBUG_p(PerlIO_printf(Perl_debug_log,
2910 "Created tmpfile=%s\n",filename));
2922 int fd = win32_tmpfd();
2924 return win32_fdopen(fd, "w+b");
2936 win32_fstat(int fd, Stat_t *sbufptr)
2938 #if defined(WIN64) || defined(USE_LARGE_FILES)
2939 return _fstati64(fd, sbufptr);
2941 return fstat(fd, sbufptr);
2946 win32_pipe(int *pfd, unsigned int size, int mode)
2948 return _pipe(pfd, size, mode);
2952 win32_popenlist(const char *mode, IV narg, SV **args)
2956 return do_popen(mode, NULL, narg, args);
2960 do_popen(const char *mode, const char *command, IV narg, SV **args) {
2969 const char **args_pvs = NULL;
2971 /* establish which ends read and write */
2972 if (strchr(mode,'w')) {
2973 stdfd = 0; /* stdin */
2976 nhandle = STD_INPUT_HANDLE;
2978 else if (strchr(mode,'r')) {
2979 stdfd = 1; /* stdout */
2982 nhandle = STD_OUTPUT_HANDLE;
2987 /* set the correct mode */
2988 if (strchr(mode,'b'))
2990 else if (strchr(mode,'t'))
2993 ourmode = _fmode & (O_TEXT | O_BINARY);
2995 /* the child doesn't inherit handles */
2996 ourmode |= O_NOINHERIT;
2998 if (win32_pipe(p, 512, ourmode) == -1)
3001 /* Previously this code redirected stdin/out temporarily so the
3002 child process inherited those handles, this caused race
3003 conditions when another thread was writing/reading those
3006 To avoid that we just feed the handles to CreateProcess() so
3007 the handles are redirected only in the child.
3009 handles[child] = p[child];
3010 handles[parent] = -1;
3013 /* CreateProcess() requires inheritable handles */
3014 if (!SetHandleInformation((HANDLE)_get_osfhandle(p[child]), HANDLE_FLAG_INHERIT,
3015 HANDLE_FLAG_INHERIT)) {
3019 /* start the child */
3024 if ((childpid = do_spawn2_handles(aTHX_ command, EXECF_SPAWN_NOWAIT, handles)) == -1)
3030 const char *exe_name;
3032 Newx(args_pvs, narg + 1 + w32_perlshell_items, const char *);
3033 SAVEFREEPV(args_pvs);
3034 for (i = 0; i < narg; ++i)
3035 args_pvs[i] = SvPV_nolen(args[i]);
3037 exe_name = qualified_path(args_pvs[0], TRUE);
3039 /* let CreateProcess() try to find it instead */
3040 exe_name = args_pvs[0];
3042 if ((childpid = do_spawnvp_handles(P_NOWAIT, exe_name, args_pvs, handles)) == -1) {
3047 win32_close(p[child]);
3049 sv_setiv(*av_fetch(w32_fdpid, p[parent], TRUE), childpid);
3051 /* set process id so that it can be returned by perl's open() */
3052 PL_forkprocess = childpid;
3055 /* we have an fd, return a file stream */
3056 return (PerlIO_fdopen(p[parent], (char *)mode));
3059 /* we don't need to check for errors here */
3067 * a popen() clone that respects PERL5SHELL
3069 * changed to return PerlIO* rather than FILE * by BKS, 11-11-2000
3073 win32_popen(const char *command, const char *mode)
3075 #ifdef USE_RTL_POPEN
3076 return _popen(command, mode);
3078 return do_popen(mode, command, 0, NULL);
3079 #endif /* USE_RTL_POPEN */
3087 win32_pclose(PerlIO *pf)
3089 #ifdef USE_RTL_POPEN
3093 int childpid, status;
3096 sv = *av_fetch(w32_fdpid, PerlIO_fileno(pf), TRUE);
3099 childpid = SvIVX(sv);
3115 if (win32_waitpid(childpid, &status, 0) == -1)
3120 #endif /* USE_RTL_POPEN */
3124 win32_link(const char *oldname, const char *newname)
3127 WCHAR wOldName[MAX_PATH+1];
3128 WCHAR wNewName[MAX_PATH+1];
3130 if (MultiByteToWideChar(CP_ACP, 0, oldname, -1, wOldName, MAX_PATH+1) &&
3131 MultiByteToWideChar(CP_ACP, 0, newname, -1, wNewName, MAX_PATH+1) &&
3132 ((aTHXa(PERL_GET_THX)), wcscpy(wOldName, PerlDir_mapW(wOldName)),
3133 CreateHardLinkW(PerlDir_mapW(wNewName), wOldName, NULL)))
3137 /* This isn't perfect, eg. Win32 returns ERROR_ACCESS_DENIED for
3138 both permissions errors and if the source is a directory, while
3139 POSIX wants EACCES and EPERM respectively.
3141 Determined by experimentation on Windows 7 x64 SP1, since MS
3142 don't document what error codes are returned.
3144 switch (GetLastError()) {
3145 case ERROR_BAD_NET_NAME:
3146 case ERROR_BAD_NETPATH:
3147 case ERROR_BAD_PATHNAME:
3148 case ERROR_FILE_NOT_FOUND:
3149 case ERROR_FILENAME_EXCED_RANGE:
3150 case ERROR_INVALID_DRIVE:
3151 case ERROR_PATH_NOT_FOUND:
3154 case ERROR_ALREADY_EXISTS:
3157 case ERROR_ACCESS_DENIED:
3160 case ERROR_NOT_SAME_DEVICE:
3163 case ERROR_DISK_FULL:
3166 case ERROR_NOT_ENOUGH_QUOTA:
3170 /* ERROR_INVALID_FUNCTION - eg. on a FAT volume */
3178 win32_rename(const char *oname, const char *newname)
3180 char szOldName[MAX_PATH+1];
3182 DWORD dwFlags = MOVEFILE_COPY_ALLOWED;
3185 if (stricmp(newname, oname))
3186 dwFlags |= MOVEFILE_REPLACE_EXISTING;
3187 strcpy(szOldName, PerlDir_mapA(oname));
3189 bResult = MoveFileExA(szOldName,PerlDir_mapA(newname), dwFlags);
3191 DWORD err = GetLastError();
3193 case ERROR_BAD_NET_NAME:
3194 case ERROR_BAD_NETPATH:
3195 case ERROR_BAD_PATHNAME:
3196 case ERROR_FILE_NOT_FOUND:
3197 case ERROR_FILENAME_EXCED_RANGE:
3198 case ERROR_INVALID_DRIVE:
3199 case ERROR_NO_MORE_FILES:
3200 case ERROR_PATH_NOT_FOUND:
3203 case ERROR_DISK_FULL:
3206 case ERROR_NOT_ENOUGH_QUOTA:
3219 win32_setmode(int fd, int mode)
3221 return setmode(fd, mode);
3225 win32_chsize(int fd, Off_t size)
3227 #if defined(WIN64) || defined(USE_LARGE_FILES)
3229 Off_t cur, end, extend;
3231 cur = win32_tell(fd);
3234 end = win32_lseek(fd, 0, SEEK_END);
3237 extend = size - end;
3241 else if (extend > 0) {
3242 /* must grow the file, padding with nulls */
3244 int oldmode = win32_setmode(fd, O_BINARY);
3246 memset(b, '\0', sizeof(b));
3248 count = extend >= sizeof(b) ? sizeof(b) : (size_t)extend;
3249 count = win32_write(fd, b, count);
3250 if ((int)count < 0) {
3254 } while ((extend -= count) > 0);
3255 win32_setmode(fd, oldmode);
3258 /* shrink the file */
3259 win32_lseek(fd, size, SEEK_SET);
3260 if (!SetEndOfFile((HANDLE)_get_osfhandle(fd))) {
3265 win32_lseek(fd, cur, SEEK_SET);
3268 return chsize(fd, (long)size);
3273 win32_lseek(int fd, Off_t offset, int origin)
3275 #if defined(WIN64) || defined(USE_LARGE_FILES)
3276 return _lseeki64(fd, offset, origin);
3278 return lseek(fd, (long)offset, origin);
3285 #if defined(WIN64) || defined(USE_LARGE_FILES)
3286 return _telli64(fd);
3293 win32_open(const char *path, int flag, ...)
3300 pmode = va_arg(ap, int);
3303 if (stricmp(path, "/dev/null")==0)
3306 aTHXa(PERL_GET_THX);
3307 return open(PerlDir_mapA(path), flag, pmode);
3310 /* close() that understands socket */
3311 extern int my_close(int); /* in win32sck.c */
3316 #ifdef WIN32_NO_SOCKETS
3319 return my_close(fd);
3330 win32_isatty(int fd)
3332 /* The Microsoft isatty() function returns true for *all*
3333 * character mode devices, including "nul". Our implementation
3334 * should only return true if the handle has a console buffer.
3337 HANDLE fh = (HANDLE)_get_osfhandle(fd);
3338 if (fh == (HANDLE)-1) {
3339 /* errno is already set to EBADF */
3343 if (GetConsoleMode(fh, &mode))
3357 win32_dup2(int fd1,int fd2)
3359 return dup2(fd1,fd2);
3363 win32_read(int fd, void *buf, unsigned int cnt)
3365 return read(fd, buf, cnt);
3369 win32_write(int fd, const void *buf, unsigned int cnt)
3371 return write(fd, buf, cnt);
3375 win32_mkdir(const char *dir, int mode)
3378 return mkdir(PerlDir_mapA(dir)); /* just ignore mode */
3382 win32_rmdir(const char *dir)
3385 return rmdir(PerlDir_mapA(dir));
3389 win32_chdir(const char *dir)
3391 if (!dir || !*dir) {
3399 win32_access(const char *path, int mode)
3402 return access(PerlDir_mapA(path), mode);
3406 win32_chmod(const char *path, int mode)
3409 return chmod(PerlDir_mapA(path), mode);
3414 create_command_line(char *cname, STRLEN clen, const char * const *args)
3421 bool bat_file = FALSE;
3422 bool cmd_shell = FALSE;
3423 bool dumb_shell = FALSE;
3424 bool extra_quotes = FALSE;
3425 bool quote_next = FALSE;
3428 cname = (char*)args[0];
3430 /* The NT cmd.exe shell has the following peculiarity that needs to be
3431 * worked around. It strips a leading and trailing dquote when any
3432 * of the following is true:
3433 * 1. the /S switch was used
3434 * 2. there are more than two dquotes
3435 * 3. there is a special character from this set: &<>()@^|
3436 * 4. no whitespace characters within the two dquotes
3437 * 5. string between two dquotes isn't an executable file
3438 * To work around this, we always add a leading and trailing dquote
3439 * to the string, if the first argument is either "cmd.exe" or "cmd",
3440 * and there were at least two or more arguments passed to cmd.exe
3441 * (not including switches).
3442 * XXX the above rules (from "cmd /?") don't seem to be applied
3443 * always, making for the convolutions below :-(
3447 clen = strlen(cname);
3450 && (stricmp(&cname[clen-4], ".bat") == 0
3451 || (stricmp(&cname[clen-4], ".cmd") == 0)))
3457 char *exe = strrchr(cname, '/');
3458 char *exe2 = strrchr(cname, '\\');
3465 if (stricmp(exe, "cmd.exe") == 0 || stricmp(exe, "cmd") == 0) {
3469 else if (stricmp(exe, "command.com") == 0
3470 || stricmp(exe, "command") == 0)
3477 DEBUG_p(PerlIO_printf(Perl_debug_log, "Args "));
3478 for (index = 0; (arg = (char*)args[index]) != NULL; ++index) {
3479 STRLEN curlen = strlen(arg);
3480 if (!(arg[0] == '"' && arg[curlen-1] == '"'))
3481 len += 2; /* assume quoting needed (worst case) */
3483 DEBUG_p(PerlIO_printf(Perl_debug_log, "[%s]",arg));
3485 DEBUG_p(PerlIO_printf(Perl_debug_log, "\n"));
3488 Newx(cmd, len, char);
3493 extra_quotes = TRUE;
3496 for (index = 0; (arg = (char*)args[index]) != NULL; ++index) {
3498 STRLEN curlen = strlen(arg);
3500 /* we want to protect empty arguments and ones with spaces with
3501 * dquotes, but only if they aren't already there */
3506 else if (quote_next) {
3507 /* see if it really is multiple arguments pretending to
3508 * be one and force a set of quotes around it */
3509 if (*find_next_space(arg))
3512 else if (!(arg[0] == '"' && curlen > 1 && arg[curlen-1] == '"')) {
3514 while (i < curlen) {
3515 if (isSPACE(arg[i])) {
3518 else if (arg[i] == '"') {
3542 && *arg == '/' /* see if arg is "/c", "/x/c", "/x/d/c" etc. */
3543 && stricmp(arg+curlen-2, "/c") == 0)
3545 /* is there a next argument? */
3546 if (args[index+1]) {
3547 /* are there two or more next arguments? */
3548 if (args[index+2]) {
3550 extra_quotes = TRUE;
3553 /* single argument, force quoting if it has spaces */
3568 static const char *exe_extensions[] =
3570 ".exe", /* this must be first */
3576 qualified_path(const char *cmd, bool other_exts)
3579 char *fullcmd, *curfullcmd;
3585 fullcmd = (char*)cmd;
3587 if (*fullcmd == '/' || *fullcmd == '\\')
3596 pathstr = PerlEnv_getenv("PATH");
3598 /* worst case: PATH is a single directory; we need additional space
3599 * to append "/", ".exe" and trailing "\0" */
3600 Newx(fullcmd, (pathstr ? strlen(pathstr) : 0) + cmdlen + 6, char);
3601 curfullcmd = fullcmd;
3606 /* start by appending the name to the current prefix */
3607 strcpy(curfullcmd, cmd);
3608 curfullcmd += cmdlen;
3610 /* if it doesn't end with '.', or has no extension, try adding
3611 * a trailing .exe first */
3612 if (cmd[cmdlen-1] != '.'
3613 && (cmdlen < 4 || cmd[cmdlen-4] != '.'))
3616 /* first extension is .exe */
3617 int ext_limit = other_exts ? C_ARRAY_LENGTH(exe_extensions) : 1;
3618 for (i = 0; i < ext_limit; ++i) {
3619 strcpy(curfullcmd, exe_extensions[i]);
3620 res = GetFileAttributes(fullcmd);
3621 if (res != 0xFFFFFFFF && !(res & FILE_ATTRIBUTE_DIRECTORY))
3628 /* that failed, try the bare name */
3629 res = GetFileAttributes(fullcmd);
3630 if (res != 0xFFFFFFFF && !(res & FILE_ATTRIBUTE_DIRECTORY))
3633 /* quit if no other path exists, or if cmd already has path */
3634 if (!pathstr || !*pathstr || has_slash)
3637 /* skip leading semis */
3638 while (*pathstr == ';')
3641 /* build a new prefix from scratch */
3642 curfullcmd = fullcmd;
3643 while (*pathstr && *pathstr != ';') {
3644 if (*pathstr == '"') { /* foo;"baz;etc";bar */
3645 pathstr++; /* skip initial '"' */
3646 while (*pathstr && *pathstr != '"') {
3647 *curfullcmd++ = *pathstr++;
3650 pathstr++; /* skip trailing '"' */
3653 *curfullcmd++ = *pathstr++;
3657 pathstr++; /* skip trailing semi */
3658 if (curfullcmd > fullcmd /* append a dir separator */
3659 && curfullcmd[-1] != '/' && curfullcmd[-1] != '\\')
3661 *curfullcmd++ = '\\';
3669 /* The following are just place holders.
3670 * Some hosts may provide and environment that the OS is
3671 * not tracking, therefore, these host must provide that
3672 * environment and the current directory to CreateProcess
3676 win32_get_childenv(void)
3682 win32_free_childenv(void* d)
3687 win32_clearenv(void)
3689 char *envv = GetEnvironmentStrings();
3693 char *end = strchr(cur,'=');
3694 if (end && end != cur) {
3696 SetEnvironmentVariable(cur, NULL);
3698 cur = end + strlen(end+1)+2;
3700 else if ((len = strlen(cur)))
3703 FreeEnvironmentStrings(envv);
3707 win32_get_childdir(void)
3710 char szfilename[MAX_PATH+1];
3712 GetCurrentDirectoryA(MAX_PATH+1, szfilename);
3713 Newx(ptr, strlen(szfilename)+1, char);
3714 strcpy(ptr, szfilename);
3719 win32_free_childdir(char* d)
3725 /* XXX this needs to be made more compatible with the spawnvp()
3726 * provided by the various RTLs. In particular, searching for
3727 * *.{com,bat,cmd} files (as done by the RTLs) is unimplemented.
3728 * This doesn't significantly affect perl itself, because we
3729 * always invoke things using PERL5SHELL if a direct attempt to
3730 * spawn the executable fails.
3732 * XXX splitting and rejoining the commandline between do_aspawn()
3733 * and win32_spawnvp() could also be avoided.
3737 win32_spawnvp(int mode, const char *cmdname, const char *const *argv)
3739 #ifdef USE_RTL_SPAWNVP
3740 return _spawnvp(mode, cmdname, (char * const *)argv);
3742 return do_spawnvp_handles(mode, cmdname, argv, NULL);
3747 do_spawnvp_handles(int mode, const char *cmdname, const char *const *argv,
3748 const int *handles) {
3754 STARTUPINFO StartupInfo;
3755 PROCESS_INFORMATION ProcessInformation;
3758 char *fullcmd = NULL;
3759 char *cname = (char *)cmdname;
3763 clen = strlen(cname);
3764 /* if command name contains dquotes, must remove them */
3765 if (strchr(cname, '"')) {
3767 Newx(cname,clen+1,char);
3780 cmd = create_command_line(cname, clen, argv);
3782 aTHXa(PERL_GET_THX);
3783 env = PerlEnv_get_childenv();
3784 dir = PerlEnv_get_childdir();
3787 case P_NOWAIT: /* asynch + remember result */
3788 if (w32_num_children >= MAXIMUM_WAIT_OBJECTS) {
3793 /* Create a new process group so we can use GenerateConsoleCtrlEvent()
3796 create |= CREATE_NEW_PROCESS_GROUP;
3799 case P_WAIT: /* synchronous execution */
3801 default: /* invalid mode */
3807 memset(&StartupInfo,0,sizeof(StartupInfo));
3808 StartupInfo.cb = sizeof(StartupInfo);
3809 memset(&tbl,0,sizeof(tbl));
3810 PerlEnv_get_child_IO(&tbl);
3811 StartupInfo.dwFlags = tbl.dwFlags;
3812 StartupInfo.dwX = tbl.dwX;
3813 StartupInfo.dwY = tbl.dwY;
3814 StartupInfo.dwXSize = tbl.dwXSize;
3815 StartupInfo.dwYSize = tbl.dwYSize;
3816 StartupInfo.dwXCountChars = tbl.dwXCountChars;
3817 StartupInfo.dwYCountChars = tbl.dwYCountChars;
3818 StartupInfo.dwFillAttribute = tbl.dwFillAttribute;
3819 StartupInfo.wShowWindow = tbl.wShowWindow;
3820 StartupInfo.hStdInput = handles && handles[0] != -1 ?
3821 (HANDLE)_get_osfhandle(handles[0]) : tbl.childStdIn;
3822 StartupInfo.hStdOutput = handles && handles[1] != -1 ?
3823 (HANDLE)_get_osfhandle(handles[1]) : tbl.childStdOut;
3824 StartupInfo.hStdError = handles && handles[2] != -1 ?
3825 (HANDLE)_get_osfhandle(handles[2]) : tbl.childStdErr;
3826 if (StartupInfo.hStdInput == INVALID_HANDLE_VALUE &&
3827 StartupInfo.hStdOutput == INVALID_HANDLE_VALUE &&
3828 StartupInfo.hStdError == INVALID_HANDLE_VALUE)
3830 create |= CREATE_NEW_CONSOLE;
3833 StartupInfo.dwFlags |= STARTF_USESTDHANDLES;
3835 if (w32_use_showwindow) {
3836 StartupInfo.dwFlags |= STARTF_USESHOWWINDOW;
3837 StartupInfo.wShowWindow = w32_showwindow;
3840 DEBUG_p(PerlIO_printf(Perl_debug_log, "Spawning [%s] with [%s]\n",
3843 if (!CreateProcess(cname, /* search PATH to find executable */
3844 cmd, /* executable, and its arguments */
3845 NULL, /* process attributes */
3846 NULL, /* thread attributes */
3847 TRUE, /* inherit handles */
3848 create, /* creation flags */
3849 (LPVOID)env, /* inherit environment */
3850 dir, /* inherit cwd */
3852 &ProcessInformation))
3854 /* initial NULL argument to CreateProcess() does a PATH
3855 * search, but it always first looks in the directory
3856 * where the current process was started, which behavior
3857 * is undesirable for backward compatibility. So we
3858 * jump through our own hoops by picking out the path
3859 * we really want it to use. */
3861 fullcmd = qualified_path(cname, FALSE);
3863 if (cname != cmdname)
3866 DEBUG_p(PerlIO_printf(Perl_debug_log,
3867 "Retrying [%s] with same args\n",
3877 if (mode == P_NOWAIT) {
3878 /* asynchronous spawn -- store handle, return PID */
3879 ret = (int)ProcessInformation.dwProcessId;
3881 w32_child_handles[w32_num_children] = ProcessInformation.hProcess;
3882 w32_child_pids[w32_num_children] = (DWORD)ret;
3887 win32_msgwait(aTHX_ 1, &ProcessInformation.hProcess, INFINITE, NULL);
3888 /* FIXME: if msgwait returned due to message perhaps forward the
3889 "signal" to the process
3891 GetExitCodeProcess(ProcessInformation.hProcess, &status);
3893 CloseHandle(ProcessInformation.hProcess);
3896 CloseHandle(ProcessInformation.hThread);
3899 PerlEnv_free_childenv(env);
3900 PerlEnv_free_childdir(dir);
3902 if (cname != cmdname)
3908 win32_execv(const char *cmdname, const char *const *argv)
3912 /* if this is a pseudo-forked child, we just want to spawn
3913 * the new program, and return */
3915 return _spawnv(P_WAIT, cmdname, argv);
3917 return _execv(cmdname, argv);
3921 win32_execvp(const char *cmdname, const char *const *argv)
3925 /* if this is a pseudo-forked child, we just want to spawn
3926 * the new program, and return */
3927 if (w32_pseudo_id) {
3928 int status = win32_spawnvp(P_WAIT, cmdname, (const char *const *)argv);
3937 return _execvp(cmdname, argv);
3941 win32_perror(const char *str)
3947 win32_setbuf(FILE *pf, char *buf)
3953 win32_setvbuf(FILE *pf, char *buf, int type, size_t size)
3955 return setvbuf(pf, buf, type, size);
3959 win32_flushall(void)
3965 win32_fcloseall(void)
3971 win32_fgets(char *s, int n, FILE *pf)
3973 return fgets(s, n, pf);
3983 win32_fgetc(FILE *pf)
3989 win32_putc(int c, FILE *pf)
3995 win32_puts(const char *s)
4007 win32_putchar(int c)
4014 #ifndef USE_PERL_SBRK
4016 static char *committed = NULL; /* XXX threadead */
4017 static char *base = NULL; /* XXX threadead */
4018 static char *reserved = NULL; /* XXX threadead */
4019 static char *brk = NULL; /* XXX threadead */
4020 static DWORD pagesize = 0; /* XXX threadead */
4023 sbrk(ptrdiff_t need)
4028 GetSystemInfo(&info);
4029 /* Pretend page size is larger so we don't perpetually
4030 * call the OS to commit just one page ...
4032 pagesize = info.dwPageSize << 3;
4034 if (brk+need >= reserved)
4036 DWORD size = brk+need-reserved;
4038 char *prev_committed = NULL;
4039 if (committed && reserved && committed < reserved)
4041 /* Commit last of previous chunk cannot span allocations */
4042 addr = (char *) VirtualAlloc(committed,reserved-committed,MEM_COMMIT,PAGE_READWRITE);
4045 /* Remember where we committed from in case we want to decommit later */
4046 prev_committed = committed;
4047 committed = reserved;
4050 /* Reserve some (more) space
4051 * Contiguous blocks give us greater efficiency, so reserve big blocks -
4052 * this is only address space not memory...
4053 * Note this is a little sneaky, 1st call passes NULL as reserved
4054 * so lets system choose where we start, subsequent calls pass
4055 * the old end address so ask for a contiguous block
4058 if (size < 64*1024*1024)
4059 size = 64*1024*1024;
4060 size = ((size + pagesize - 1) / pagesize) * pagesize;
4061 addr = (char *) VirtualAlloc(reserved,size,MEM_RESERVE,PAGE_NOACCESS);
4064 reserved = addr+size;
4074 /* The existing block could not be extended far enough, so decommit
4075 * anything that was just committed above and start anew */
4078 if (!VirtualFree(prev_committed,reserved-prev_committed,MEM_DECOMMIT))
4081 reserved = base = committed = brk = NULL;
4092 if (brk > committed)
4094 DWORD size = ((brk-committed + pagesize -1)/pagesize) * pagesize;
4096 if (committed+size > reserved)
4097 size = reserved-committed;
4098 addr = (char *) VirtualAlloc(committed,size,MEM_COMMIT,PAGE_READWRITE);
4111 win32_malloc(size_t size)
4113 return malloc(size);
4117 win32_calloc(size_t numitems, size_t size)
4119 return calloc(numitems,size);
4123 win32_realloc(void *block, size_t size)
4125 return realloc(block,size);
4129 win32_free(void *block)
4136 win32_open_osfhandle(intptr_t handle, int flags)
4138 return _open_osfhandle(handle, flags);
4142 win32_get_osfhandle(int fd)
4144 return (intptr_t)_get_osfhandle(fd);
4148 win32_fdupopen(FILE *pf)
4153 int fileno = win32_dup(win32_fileno(pf));
4155 /* open the file in the same mode */
4156 if((pf)->_flag & _IOREAD) {
4160 else if((pf)->_flag & _IOWRT) {
4164 else if((pf)->_flag & _IORW) {
4170 /* it appears that the binmode is attached to the
4171 * file descriptor so binmode files will be handled
4174 pfdup = win32_fdopen(fileno, mode);
4176 /* move the file pointer to the same position */
4177 if (!fgetpos(pf, &pos)) {
4178 fsetpos(pfdup, &pos);
4184 win32_dynaload(const char* filename)
4187 char buf[MAX_PATH+1];
4190 /* LoadLibrary() doesn't recognize forward slashes correctly,
4191 * so turn 'em back. */
4192 first = strchr(filename, '/');
4194 STRLEN len = strlen(filename);
4195 if (len <= MAX_PATH) {
4196 strcpy(buf, filename);
4197 filename = &buf[first - filename];
4199 if (*filename == '/')
4200 *(char*)filename = '\\';
4206 aTHXa(PERL_GET_THX);
4207 return LoadLibraryExA(PerlDir_mapA(filename), NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
4210 XS(w32_SetChildShowWindow)
4213 BOOL use_showwindow = w32_use_showwindow;
4214 /* use "unsigned short" because Perl has redefined "WORD" */
4215 unsigned short showwindow = w32_showwindow;
4218 croak_xs_usage(cv, "[showwindow]");
4220 if (items == 0 || !SvOK(ST(0)))
4221 w32_use_showwindow = FALSE;
4223 w32_use_showwindow = TRUE;
4224 w32_showwindow = (unsigned short)SvIV(ST(0));
4229 ST(0) = sv_2mortal(newSViv(showwindow));
4231 ST(0) = &PL_sv_undef;
4236 Perl_init_os_extras(void)
4239 char *file = __FILE__;
4241 /* Initialize Win32CORE if it has been statically linked. */
4242 #ifndef PERL_IS_MINIPERL
4243 void (*pfn_init)(pTHX);
4244 HMODULE module = (HMODULE)((w32_perldll_handle == INVALID_HANDLE_VALUE)
4245 ? GetModuleHandle(NULL)
4246 : w32_perldll_handle);
4247 pfn_init = (void (*)(pTHX))GetProcAddress(module, "init_Win32CORE");
4248 aTHXa(PERL_GET_THX);
4252 aTHXa(PERL_GET_THX);
4255 newXS("Win32::SetChildShowWindow", w32_SetChildShowWindow, file);
4259 win32_signal_context(void)
4264 my_perl = PL_curinterp;
4265 PERL_SET_THX(my_perl);
4269 return PL_curinterp;
4275 win32_ctrlhandler(DWORD dwCtrlType)
4278 dTHXa(PERL_GET_SIG_CONTEXT);
4284 switch(dwCtrlType) {
4285 case CTRL_CLOSE_EVENT:
4286 /* A signal that the system sends to all processes attached to a console when
4287 the user closes the console (either by choosing the Close command from the
4288 console window's System menu, or by choosing the End Task command from the
4291 if (do_raise(aTHX_ 1)) /* SIGHUP */
4292 sig_terminate(aTHX_ 1);
4296 /* A CTRL+c signal was received */
4297 if (do_raise(aTHX_ SIGINT))
4298 sig_terminate(aTHX_ SIGINT);
4301 case CTRL_BREAK_EVENT:
4302 /* A CTRL+BREAK signal was received */
4303 if (do_raise(aTHX_ SIGBREAK))
4304 sig_terminate(aTHX_ SIGBREAK);
4307 case CTRL_LOGOFF_EVENT:
4308 /* A signal that the system sends to all console processes when a user is logging
4309 off. This signal does not indicate which user is logging off, so no
4310 assumptions can be made.
4313 case CTRL_SHUTDOWN_EVENT:
4314 /* A signal that the system sends to all console processes when the system is
4317 if (do_raise(aTHX_ SIGTERM))
4318 sig_terminate(aTHX_ SIGTERM);
4327 #ifdef SET_INVALID_PARAMETER_HANDLER
4328 # include <crtdbg.h>
4339 /* fetch Unicode version of PATH */
4341 wide_path = (WCHAR*)win32_malloc(len*sizeof(WCHAR));
4343 size_t newlen = GetEnvironmentVariableW(L"PATH", wide_path, len);
4345 win32_free(wide_path);
4351 wide_path = (WCHAR*)win32_realloc(wide_path, len*sizeof(WCHAR));
4356 /* convert to ANSI pathnames */
4357 wide_dir = wide_path;
4360 WCHAR *sep = wcschr(wide_dir, ';');
4368 /* remove quotes around pathname */
4369 if (*wide_dir == '"')
4371 wide_len = wcslen(wide_dir);
4372 if (wide_len && wide_dir[wide_len-1] == '"')
4373 wide_dir[wide_len-1] = '\0';
4375 /* append ansi_dir to ansi_path */
4376 ansi_dir = win32_ansipath(wide_dir);
4377 ansi_len = strlen(ansi_dir);
4379 size_t newlen = len + 1 + ansi_len;
4380 ansi_path = (char*)win32_realloc(ansi_path, newlen+1);
4383 ansi_path[len] = ';';
4384 memcpy(ansi_path+len+1, ansi_dir, ansi_len+1);
4389 ansi_path = (char*)win32_malloc(5+len+1);
4392 memcpy(ansi_path, "PATH=", 5);
4393 memcpy(ansi_path+5, ansi_dir, len+1);
4396 win32_free(ansi_dir);
4401 /* Update C RTL environ array. This will only have full effect if
4402 * perl_parse() is later called with `environ` as the `env` argument.
4403 * Otherwise S_init_postdump_symbols() will overwrite PATH again.
4405 * We do have to ansify() the PATH before Perl has been fully
4406 * initialized because S_find_script() uses the PATH when perl
4407 * is being invoked with the -S option. This happens before %ENV
4408 * is initialized in S_init_postdump_symbols().
4410 * XXX Is this a bug? Should S_find_script() use the environment
4411 * XXX passed in the `env` arg to parse_perl()?
4414 /* Keep system environment in sync because S_init_postdump_symbols()
4415 * will not call mg_set() if it initializes %ENV from `environ`.
4417 SetEnvironmentVariableA("PATH", ansi_path+5);
4418 win32_free(ansi_path);
4420 win32_free(wide_path);
4424 Perl_win32_init(int *argcp, char ***argvp)
4426 #ifdef SET_INVALID_PARAMETER_HANDLER
4427 _invalid_parameter_handler oldHandler, newHandler;
4428 newHandler = my_invalid_parameter_handler;
4429 oldHandler = _set_invalid_parameter_handler(newHandler);
4430 _CrtSetReportMode(_CRT_ASSERT, 0);
4432 /* Disable floating point errors, Perl will trap the ones we
4433 * care about. VC++ RTL defaults to switching these off
4434 * already, but some RTLs don't. Since we don't
4435 * want to be at the vendor's whim on the default, we set
4436 * it explicitly here.
4438 #if !defined(__GNUC__)
4439 _control87(MCW_EM, MCW_EM);
4443 /* When the manifest resource requests Common-Controls v6 then
4444 * user32.dll no longer registers all the Windows classes used for
4445 * standard controls but leaves some of them to be registered by
4446 * comctl32.dll. InitCommonControls() doesn't do anything but calling
4447 * it makes sure comctl32.dll gets loaded into the process and registers
4448 * the standard control classes. Without this even normal Windows APIs
4449 * like MessageBox() can fail under some versions of Windows XP.
4451 InitCommonControls();
4453 g_osver.dwOSVersionInfoSize = sizeof(g_osver);
4454 GetVersionEx(&g_osver);
4456 #ifdef WIN32_DYN_IOINFO_SIZE
4458 Size_t ioinfo_size = _msize((void*)__pioinfo[0]);;
4459 if((SSize_t)ioinfo_size <= 0) { /* -1 is err */
4460 fprintf(stderr, "panic: invalid size for ioinfo\n"); /* no interp */
4463 ioinfo_size /= IOINFO_ARRAY_ELTS;
4464 w32_ioinfo_size = ioinfo_size;
4470 #ifndef WIN32_NO_REGISTRY
4473 retval = RegOpenKeyExW(HKEY_CURRENT_USER, L"SOFTWARE\\Perl", 0, KEY_READ, &HKCU_Perl_hnd);
4474 if (retval != ERROR_SUCCESS) {
4475 HKCU_Perl_hnd = NULL;
4477 retval = RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Perl", 0, KEY_READ, &HKLM_Perl_hnd);
4478 if (retval != ERROR_SUCCESS) {
4479 HKLM_Perl_hnd = NULL;
4486 Perl_win32_term(void)
4492 #ifndef WIN32_NO_REGISTRY
4493 /* handles might be NULL, RegCloseKey then returns ERROR_INVALID_HANDLE
4494 but no point of checking and we can't die() at this point */
4495 RegCloseKey(HKLM_Perl_hnd);
4496 RegCloseKey(HKCU_Perl_hnd);
4497 /* the handles are in an undefined state until the next PERL_SYS_INIT3 */
4502 win32_get_child_IO(child_IO_table* ptbl)
4504 ptbl->childStdIn = GetStdHandle(STD_INPUT_HANDLE);
4505 ptbl->childStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
4506 ptbl->childStdErr = GetStdHandle(STD_ERROR_HANDLE);
4510 win32_signal(int sig, Sighandler_t subcode)
4513 if (sig < SIG_SIZE) {
4514 int save_errno = errno;
4515 Sighandler_t result;
4516 #ifdef SET_INVALID_PARAMETER_HANDLER
4517 /* Silence our invalid parameter handler since we expect to make some
4518 * calls with invalid signal numbers giving a SIG_ERR result. */
4519 BOOL oldvalue = set_silent_invalid_parameter_handler(TRUE);
4521 result = signal(sig, subcode);
4522 #ifdef SET_INVALID_PARAMETER_HANDLER
4523 set_silent_invalid_parameter_handler(oldvalue);
4525 aTHXa(PERL_GET_THX);
4526 if (result == SIG_ERR) {
4527 result = w32_sighandler[sig];
4530 w32_sighandler[sig] = subcode;
4539 /* The PerlMessageWindowClass's WindowProc */
4541 win32_message_window_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
4543 return win32_process_message(hwnd, msg, wParam, lParam) ?
4544 0 : DefWindowProc(hwnd, msg, wParam, lParam);
4547 /* The real message handler. Can be called with
4548 * hwnd == NULL to process our thread messages. Returns TRUE for any messages
4549 * that it processes */
4551 win32_process_message(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
4553 /* BEWARE. The context retrieved using dTHX; is the context of the
4554 * 'parent' thread during the CreateWindow() phase - i.e. for all messages
4555 * up to and including WM_CREATE. If it ever happens that you need the
4556 * 'child' context before this, then it needs to be passed into
4557 * win32_create_message_window(), and passed to the WM_NCCREATE handler
4558 * from the lparam of CreateWindow(). It could then be stored/retrieved
4559 * using [GS]etWindowLongPtr(... GWLP_USERDATA ...), possibly eliminating
4560 * the dTHX calls here. */
4561 /* XXX For now it is assumed that the overhead of the dTHX; for what
4562 * are relativley infrequent code-paths, is better than the added
4563 * complexity of getting the correct context passed into
4564 * win32_create_message_window() */
4570 case WM_USER_MESSAGE: {
4571 long child = find_pseudo_pid(aTHX_ (int)wParam);
4573 w32_pseudo_child_message_hwnds[child] = (HWND)lParam;
4580 case WM_USER_KILL: {
4581 /* We use WM_USER_KILL to fake kill() with other signals */
4582 int sig = (int)wParam;
4583 if (do_raise(aTHX_ sig))
4584 sig_terminate(aTHX_ sig);
4590 /* alarm() is a one-shot but SetTimer() repeats so kill it */
4591 if (w32_timerid && w32_timerid==(UINT)wParam) {
4592 KillTimer(w32_message_hwnd, w32_timerid);
4595 /* Now fake a call to signal handler */
4596 if (do_raise(aTHX_ 14))
4597 sig_terminate(aTHX_ 14);
4609 /* Above or other stuff may have set a signal flag, and we may not have
4610 * been called from win32_async_check() (e.g. some other GUI's message
4611 * loop. BUT DON'T dispatch signals here: If someone has set a SIGALRM
4612 * handler that die's, and the message loop that calls here is wrapped
4613 * in an eval, then you may well end up with orphaned windows - signals
4614 * are dispatched by win32_async_check() */
4620 win32_create_message_window_class(void)
4622 /* create the window class for "message only" windows */
4626 wc.lpfnWndProc = win32_message_window_proc;
4627 wc.hInstance = (HINSTANCE)GetModuleHandle(NULL);
4628 wc.lpszClassName = "PerlMessageWindowClass";
4630 /* second and subsequent calls will fail, but class
4631 * will already be registered */
4636 win32_create_message_window(void)
4638 win32_create_message_window_class();
4639 return CreateWindow("PerlMessageWindowClass", "PerlMessageWindow",
4640 0, 0, 0, 0, 0, HWND_MESSAGE, NULL, NULL, NULL);
4643 #ifdef HAVE_INTERP_INTERN
4646 win32_csighandler(int sig)
4649 dTHXa(PERL_GET_SIG_CONTEXT);
4650 Perl_warn(aTHX_ "Got signal %d",sig);
4655 #if defined(__MINGW32__) && defined(__cplusplus)
4656 #define CAST_HWND__(x) (HWND__*)(x)
4658 #define CAST_HWND__(x) x
4662 Perl_sys_intern_init(pTHX)
4666 w32_perlshell_tokens = NULL;
4667 w32_perlshell_vec = (char**)NULL;
4668 w32_perlshell_items = 0;
4669 w32_fdpid = newAV();
4670 Newx(w32_children, 1, child_tab);
4671 w32_num_children = 0;
4672 # ifdef USE_ITHREADS
4674 Newx(w32_pseudo_children, 1, pseudo_child_tab);
4675 w32_num_pseudo_children = 0;
4678 w32_message_hwnd = CAST_HWND__(INVALID_HANDLE_VALUE);
4680 #ifdef PERL_IS_MINIPERL
4681 w32_sloppystat = TRUE;
4683 w32_sloppystat = FALSE;
4685 for (i=0; i < SIG_SIZE; i++) {
4686 w32_sighandler[i] = SIG_DFL;
4688 # ifdef MULTIPLICITY
4689 if (my_perl == PL_curinterp) {
4693 /* Force C runtime signal stuff to set its console handler */
4694 signal(SIGINT,win32_csighandler);
4695 signal(SIGBREAK,win32_csighandler);
4697 /* We spawn asynchronous processes with the CREATE_NEW_PROCESS_GROUP
4698 * flag. This has the side-effect of disabling Ctrl-C events in all
4699 * processes in this group.
4700 * We re-enable Ctrl-C handling by calling SetConsoleCtrlHandler()
4701 * with a NULL handler.
4703 SetConsoleCtrlHandler(NULL,FALSE);
4705 /* Push our handler on top */
4706 SetConsoleCtrlHandler(win32_ctrlhandler,TRUE);
4711 Perl_sys_intern_clear(pTHX)
4713 Safefree(w32_perlshell_tokens);
4714 Safefree(w32_perlshell_vec);
4715 /* NOTE: w32_fdpid is freed by sv_clean_all() */
4716 Safefree(w32_children);
4718 KillTimer(w32_message_hwnd, w32_timerid);
4721 if (w32_message_hwnd != NULL && w32_message_hwnd != INVALID_HANDLE_VALUE)
4722 DestroyWindow(w32_message_hwnd);
4723 # ifdef MULTIPLICITY
4724 if (my_perl == PL_curinterp) {
4728 SetConsoleCtrlHandler(win32_ctrlhandler,FALSE);
4730 # ifdef USE_ITHREADS
4731 Safefree(w32_pseudo_children);
4735 # ifdef USE_ITHREADS
4738 Perl_sys_intern_dup(pTHX_ struct interp_intern *src, struct interp_intern *dst)
4740 PERL_ARGS_ASSERT_SYS_INTERN_DUP;
4742 dst->perlshell_tokens = NULL;
4743 dst->perlshell_vec = (char**)NULL;
4744 dst->perlshell_items = 0;
4745 dst->fdpid = newAV();
4746 Newxz(dst->children, 1, child_tab);
4748 Newxz(dst->pseudo_children, 1, pseudo_child_tab);
4750 dst->message_hwnd = CAST_HWND__(INVALID_HANDLE_VALUE);
4751 dst->poll_count = 0;
4752 dst->sloppystat = src->sloppystat;
4753 Copy(src->sigtable,dst->sigtable,SIG_SIZE,Sighandler_t);
4755 # endif /* USE_ITHREADS */
4756 #endif /* HAVE_INTERP_INTERN */