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Perl_sv_dup should be allocating bodies based on *size*, not the
[perl5.git] / win32 / win32.h
CommitLineData
68dc0745
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1/* WIN32.H
2 *
3fadfdf1 3 * (c) 1995 Microsoft Corporation. All rights reserved.
68dc0745
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4 * Developed by hip communications inc., http://info.hip.com/info/
5 *
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8 */
0a753a76
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9#ifndef _INC_WIN32_PERL5
10#define _INC_WIN32_PERL5
11
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12#ifndef _WIN32_WINNT
13# define _WIN32_WINNT 0x0400 /* needed for TryEnterCriticalSection() etc. */
14#endif
638eceb6 15
acfe0abc 16#if defined(PERL_IMPLICIT_SYS)
e9ee4811 17# define DYNAMIC_ENV_FETCH
a6c40364 18# define HAS_GETENV_LEN
e9ee4811 19# define prime_env_iter()
ab39fa9d 20# define WIN32IO_IS_STDIO /* don't pull in custom stdio layer */
c5be433b 21# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
ab39fa9d 22# ifdef PERL_GLOBAL_STRUCT
32e30700 23# error PERL_GLOBAL_STRUCT cannot be defined with PERL_IMPLICIT_SYS
ab39fa9d 24# endif
e5a95ffb 25# define win32_get_privlib PerlEnv_lib_path
ab39fa9d 26# define win32_get_sitelib PerlEnv_sitelib_path
4ea817c6 27# define win32_get_vendorlib PerlEnv_vendorlib_path
9d8a25dc
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28#endif
29
a835ef8a 30#ifdef __GNUC__
b7c82df9
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31# ifndef __int64 /* some versions seem to #define it already */
32# define __int64 long long
33# endif
db15561c 34# define Win32_Winsock
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35#ifdef __cplusplus
36/* Mingw32 gcc -xc++ objects to __attribute((unused)) at least */
3fadfdf1
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37#undef PERL_UNUSED_DECL
38#define PERL_UNUSED_DECL
a835ef8a 39#endif
1c85e96a
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40#endif
41
a835ef8a 42
3fadfdf1 43/* Define DllExport akin to perl's EXT,
22239a37 44 * If we are in the DLL or mimicing the DLL for Win95 work round
3fadfdf1 45 * then Export the symbol,
22239a37
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46 * otherwise import it.
47 */
48
5db10396
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49/* now even GCC supports __declspec() */
50
22239a37 51#if defined(PERLDLL) || defined(WIN95FIX)
852c2e52
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52#define DllExport
53/*#define DllExport __declspec(dllexport)*/ /* noises with VC5+sp3 */
3fadfdf1 54#else
22239a37
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55#define DllExport __declspec(dllimport)
56#endif
c69f112c 57
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58#define WIN32_LEAN_AND_MEAN
59#include <windows.h>
60
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61#ifdef WIN32_LEAN_AND_MEAN /* C file is NOT a Perl5 original. */
62#define CONTEXT PERL_CONTEXT /* Avoid conflict of CONTEXT defs. */
68dc0745 63#endif /*WIN32_LEAN_AND_MEAN */
0a753a76 64
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65#ifndef TLS_OUT_OF_INDEXES
66#define TLS_OUT_OF_INDEXES (DWORD)0xFFFFFFFF
67#endif
68
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69#include <dirent.h>
70#include <io.h>
71#include <process.h>
72#include <stdio.h>
73#include <direct.h>
390b85e7 74#include <stdlib.h>
c623ac67 75#include <stddef.h>
7a1f88ac 76#include <fcntl.h>
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77#ifndef EXT
78#include "EXTERN.h"
79#endif
80
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81struct tms {
82 long tms_utime;
83 long tms_stime;
84 long tms_cutime;
85 long tms_cstime;
86};
87
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88#ifndef SYS_NMLN
89#define SYS_NMLN 257
90#endif
91
92struct utsname {
93 char sysname[SYS_NMLN];
94 char nodename[SYS_NMLN];
95 char release[SYS_NMLN];
96 char version[SYS_NMLN];
97 char machine[SYS_NMLN];
98};
99
390b85e7 100#ifndef START_EXTERN_C
b3e5c95e 101#undef EXTERN_C
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102#ifdef __cplusplus
103# define START_EXTERN_C extern "C" {
104# define END_EXTERN_C }
105# define EXTERN_C extern "C"
106#else
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107# define START_EXTERN_C
108# define END_EXTERN_C
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109# define EXTERN_C
110#endif
111#endif
112
113#define STANDARD_C 1
114#define DOSISH 1 /* no escaping our roots */
115#define OP_BINARY O_BINARY /* mistake in in pp_sys.c? */
0a753a76 116
f3986ebb
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117/* Define USE_SOCKETS_AS_HANDLES to enable emulation of windows sockets as
118 * real filehandles. XXX Should always be defined (the other version is untested) */
119#define USE_SOCKETS_AS_HANDLES
120
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121/* read() and write() aren't transparent for socket handles */
122#define PERL_SOCK_SYSREAD_IS_RECV
123#define PERL_SOCK_SYSWRITE_IS_SEND
124
682fc664 125#define PERL_NO_FORCE_LINK /* no need for PL_force_link_funcs */
a7092146 126
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127/* Define USE_FIXED_OSFHANDLE to fix MSVCRT's _open_osfhandle() on W95.
128 It now uses some black magic to work seamlessly with the DLL CRT and
129 works with MSVC++ 4.0+ or GCC/Mingw32
130 -- BKS 1-24-2000 */
131#if (defined(_M_IX86) && _MSC_VER >= 1000) || defined(__MINGW32__)
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132#define USE_FIXED_OSFHANDLE
133#endif
134
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135/* Define PERL_WIN32_SOCK_DLOAD to have Perl dynamically load the winsock
136 DLL when needed. Don't use if your compiler supports delayloading (ie, VC++ 6.0)
137 -- BKS 5-29-2000 */
138#if !(defined(_M_IX86) && _MSC_VER >= 1200)
139#define PERL_WIN32_SOCK_DLOAD
140#endif
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141#define ENV_IS_CASELESS
142
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143#define PIPESOCK_MODE "b" /* pipes, sockets default to binmode */
144
d41de25a 145#ifndef VER_PLATFORM_WIN32_WINDOWS /* VC-2.0 headers don't have this */
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146#define VER_PLATFORM_WIN32_WINDOWS 1
147#endif
148
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149#ifndef FILE_SHARE_DELETE /* VC-4.0 headers don't have this */
150#define FILE_SHARE_DELETE 0x00000004
151#endif
152
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153/* access() mode bits */
154#ifndef R_OK
155# define R_OK 4
156# define W_OK 2
157# define X_OK 1
158# define F_OK 0
159#endif
160
cc236deb
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161/* for waitpid() */
162#ifndef WNOHANG
163# define WNOHANG 1
164#endif
165
c44d3fdb
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166#define PERL_GET_CONTEXT_DEFINED
167
f3986ebb
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168/* Compiler-specific stuff. */
169
910dfcc8 170#ifdef __BORLANDC__ /* Borland C++ */
3e3baf6d 171
cb359b41 172#if (__BORLANDC__ <= 0x520)
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173#define _access access
174#define _chdir chdir
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175#endif
176
4ce4f76e 177#define _getpid getpid
26871e0a 178#define wcsicmp _wcsicmp
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179#include <sys/types.h>
180
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181#ifndef DllMain
182#define DllMain DllEntryPoint
183#endif
184
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185#pragma warn -ccc /* "condition is always true/false" */
186#pragma warn -rch /* "unreachable code" */
187#pragma warn -sig /* "conversion may lose significant digits" */
188#pragma warn -pia /* "possibly incorrect assignment" */
189#pragma warn -par /* "parameter 'foo' is never used" */
190#pragma warn -aus /* "'foo' is assigned a value that is never used" */
191#pragma warn -use /* "'foo' is declared but never used" */
192#pragma warn -csu /* "comparing signed and unsigned values" */
3e3baf6d 193
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194/* Borland C thinks that a pointer to a member variable is 12 bytes in size. */
195#define PERL_MEMBER_PTR_SIZE 12
196
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197#define isnan _isnan
198
910dfcc8 199#endif
3e3baf6d 200
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201#ifdef _MSC_VER /* Microsoft Visual C++ */
202
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203typedef long uid_t;
204typedef long gid_t;
a6c40364 205typedef unsigned short mode_t;
c623ac67 206#pragma warning(disable: 4102) /* "unreferenced label" */
f3986ebb 207
0f4eea8f 208/* Visual C thinks that a pointer to a member variable is 16 bytes in size. */
cd183fd9 209#define PERL_MEMBER_PTR_SIZE 16
0f4eea8f 210
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211#define isnan _isnan
212
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213#endif /* _MSC_VER */
214
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215#ifdef __MINGW32__ /* Minimal Gnu-Win32 */
216
217typedef long uid_t;
218typedef long gid_t;
b1d1613b 219#ifndef _environ
3730b96e 220#define _environ environ
b1d1613b 221#endif
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222#define flushall _flushall
223#define fcloseall _fcloseall
6940069f 224#define isnan _isnan /* ...same libraries as MSVC */
910dfcc8 225
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226#ifndef _O_NOINHERIT
227# define _O_NOINHERIT 0x0080
228# ifndef _NO_OLDNAMES
229# define O_NOINHERIT _O_NOINHERIT
230# endif
231#endif
232
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233#endif /* __MINGW32__ */
234
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235/* both GCC/Mingw32 and MSVC++ 4.0 are missing this, so we put it here */
236#ifndef CP_UTF8
237# define CP_UTF8 65001
238#endif
239
f3986ebb 240/* compatibility stuff for other compilers goes here */
0a753a76 241
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242#ifndef _INTPTR_T_DEFINED
243typedef int intptr_t;
244# define _INTPTR_T_DEFINED
245#endif
246
247#ifndef _UINTPTR_T_DEFINED
248typedef unsigned int uintptr_t;
249# define _UINTPTR_T_DEFINED
250#endif
251
390b85e7 252START_EXTERN_C
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253
254/* For UNIX compatibility. */
255
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256extern uid_t getuid(void);
257extern gid_t getgid(void);
258extern uid_t geteuid(void);
259extern gid_t getegid(void);
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260extern int setuid(uid_t uid);
261extern int setgid(gid_t gid);
262extern int kill(int pid, int sig);
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263#ifndef USE_PERL_SBRK
264extern void *sbrk(ptrdiff_t need);
265# define HAS_SBRK_PROTO
266#endif
e34ffe5a 267extern char * getlogin(void);
b990f8c8 268extern int chown(const char *p, uid_t o, gid_t g);
00b02797 269extern int mkstemp(const char *path);
d55594ae 270
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271#undef Stat
272#define Stat win32_stat
3e3baf6d 273
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274#undef init_os_extras
275#define init_os_extras Perl_init_os_extras
390b85e7 276
22239a37 277DllExport void Perl_win32_init(int *argcp, char ***argvp);
23f519f0 278DllExport void Perl_win32_term(void);
cb359b41 279DllExport void Perl_init_os_extras(void);
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280DllExport void win32_str_os_error(void *sv, DWORD err);
281DllExport int RunPerl(int argc, char **argv, char **env);
0551aaa8 282
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283typedef struct {
284 HANDLE childStdIn;
285 HANDLE childStdOut;
286 HANDLE childStdErr;
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287 /*
288 * the following correspond to the fields of the same name
289 * in the STARTUPINFO structure. Embedders can use these to
290 * control the spawning process' look.
291 * Example - to hide the window of the spawned process:
292 * dwFlags = STARTF_USESHOWWINDOW;
293 * wShowWindow = SW_HIDE;
294 */
295 DWORD dwFlags;
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296 DWORD dwX;
297 DWORD dwY;
298 DWORD dwXSize;
299 DWORD dwYSize;
300 DWORD dwXCountChars;
301 DWORD dwYCountChars;
f83751a7 302 DWORD dwFillAttribute;
3fadfdf1 303 WORD wShowWindow;
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304} child_IO_table;
305
306DllExport void win32_get_child_IO(child_IO_table* ptr);
307
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308#ifndef USE_SOCKETS_AS_HANDLES
309extern FILE * my_fdopen(int, char *);
d55594ae 310#endif
f3986ebb 311extern int my_fclose(FILE *);
c623ac67 312extern int my_fstat(int fd, Stat_t *sbufptr);
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313extern char * win32_get_privlib(const char *pl);
314extern char * win32_get_sitelib(const char *pl);
315extern char * win32_get_vendorlib(const char *pl);
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316extern int IsWin95(void);
317extern int IsWinNT(void);
c0932edc 318extern void win32_argv2utf8(int argc, char** argv);
d55594ae 319
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320#ifdef PERL_IMPLICIT_SYS
321extern void win32_delete_internal_host(void *h);
322#endif
323
f3986ebb 324extern char * staticlinkmodules[];
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325
326END_EXTERN_C
d55594ae 327
68dc0745 328typedef char * caddr_t; /* In malloc.c (core address). */
0a753a76 329
68dc0745 330/*
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331 * handle socket stuff, assuming socket is always available
332 */
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333#include <sys/socket.h>
334#include <netdb.h>
335
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336#ifdef MYMALLOC
337#define EMBEDMYMALLOC /**/
338/* #define USE_PERL_SBRK /**/
339/* #define PERL_SBRK_VIA_MALLOC /**/
340#endif
341
c31fac66 342#if defined(PERLDLL) && !defined(PERL_CORE)
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343#define PERL_CORE
344#endif
345
e68cb057 346#ifdef PERL_TEXTMODE_SCRIPTS
c39cd008 347# define PERL_SCRIPT_MODE "r"
a868473f 348#else
c39cd008 349# define PERL_SCRIPT_MODE "rb"
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350#endif
351
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352/*
353 * Now Win32 specific per-thread data stuff
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354 */
355
356struct thread_intern {
357 /* XXX can probably use one buffer instead of several */
358 char Wstrerror_buffer[512];
359 struct servent Wservent;
360 char Wgetlogin_buffer[128];
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361# ifdef HAVE_DES_FCRYPT
362 char Wcrypt_buffer[30];
363# endif
364# ifdef USE_RTL_THREAD_API
365 void * retv; /* slot for thread return value */
366# endif
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367 BOOL Wuse_showwindow;
368 WORD Wshowwindow;
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369};
370
4b556e6c 371#define HAVE_INTERP_INTERN
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372typedef struct {
373 long num;
374 DWORD pids[MAXIMUM_WAIT_OBJECTS];
7766f137 375 HANDLE handles[MAXIMUM_WAIT_OBJECTS];
0aaad0ff
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376} child_tab;
377
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378#ifndef Sighandler_t
379typedef Signal_t (*Sighandler_t) (int);
380#define Sighandler_t Sighandler_t
381#endif
382
4b556e6c 383struct interp_intern {
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384 char * perlshell_tokens;
385 char ** perlshell_vec;
386 long perlshell_items;
387 struct av * fdpid;
388 child_tab * children;
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389#ifdef USE_ITHREADS
390 DWORD pseudo_id;
391 child_tab * pseudo_children;
392#endif
393 void * internal_host;
3352bfcb 394 struct thread_intern thr_intern;
8fb3fcfb 395 UINT timerid;
05ec9bb3 396 unsigned poll_count;
3fadfdf1 397 Sighandler_t sigtable[SIG_SIZE];
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398};
399
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400DllExport int win32_async_check(pTHX);
401
05ec9bb3 402#define WIN32_POLL_INTERVAL 32768
8fb3fcfb 403#define PERL_ASYNC_CHECK() if (w32_do_async || PL_sig_pending) win32_async_check(aTHX)
4b556e6c 404
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405#define w32_perlshell_tokens (PL_sys_intern.perlshell_tokens)
406#define w32_perlshell_vec (PL_sys_intern.perlshell_vec)
407#define w32_perlshell_items (PL_sys_intern.perlshell_items)
408#define w32_fdpid (PL_sys_intern.fdpid)
409#define w32_children (PL_sys_intern.children)
410#define w32_num_children (w32_children->num)
411#define w32_child_pids (w32_children->pids)
7766f137
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412#define w32_child_handles (w32_children->handles)
413#define w32_pseudo_id (PL_sys_intern.pseudo_id)
414#define w32_pseudo_children (PL_sys_intern.pseudo_children)
415#define w32_num_pseudo_children (w32_pseudo_children->num)
416#define w32_pseudo_child_pids (w32_pseudo_children->pids)
417#define w32_pseudo_child_handles (w32_pseudo_children->handles)
418#define w32_internal_host (PL_sys_intern.internal_host)
8fb3fcfb 419#define w32_timerid (PL_sys_intern.timerid)
3fadfdf1 420#define w32_sighandler (PL_sys_intern.sigtable)
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421#define w32_poll_count (PL_sys_intern.poll_count)
422#define w32_do_async (w32_poll_count++ > WIN32_POLL_INTERVAL)
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423#define w32_strerror_buffer (PL_sys_intern.thr_intern.Wstrerror_buffer)
424#define w32_getlogin_buffer (PL_sys_intern.thr_intern.Wgetlogin_buffer)
425#define w32_crypt_buffer (PL_sys_intern.thr_intern.Wcrypt_buffer)
426#define w32_servent (PL_sys_intern.thr_intern.Wservent)
3db8f154
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427#define w32_use_showwindow (PL_sys_intern.thr_intern.Wuse_showwindow)
428#define w32_showwindow (PL_sys_intern.thr_intern.Wshowwindow)
c53bd28a 429
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430#ifdef USE_ITHREADS
431# define PERL_WAIT_FOR_CHILDREN \
432 STMT_START { \
433 if (w32_pseudo_children && w32_num_pseudo_children) { \
434 long children = w32_num_pseudo_children; \
435 WaitForMultipleObjects(children, \
436 w32_pseudo_child_handles, \
437 TRUE, INFINITE); \
438 while (children) \
439 CloseHandle(w32_pseudo_child_handles[--children]); \
440 } \
441 } STMT_END
442#endif
443
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444#if defined(USE_FIXED_OSFHANDLE) || defined(PERL_MSVCRT_READFIX)
445#ifdef PERL_CORE
446
447/* C doesn't like repeat struct definitions */
df500c58 448#if defined(__MINGW32__) && (__MINGW32_MAJOR_VERSION>=3)
15689010
GM
449#undef _CRTIMP
450#endif
a10b7b7e
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451#ifndef _CRTIMP
452#define _CRTIMP __declspec(dllimport)
453#endif
454
455/*
456 * Control structure for lowio file handles
457 */
458typedef struct {
c623ac67 459 intptr_t osfhnd;/* underlying OS file HANDLE */
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460 char osfile; /* attributes of file (e.g., open in text mode?) */
461 char pipech; /* one char buffer for handles opened on pipes */
462 int lockinitflag;
463 CRITICAL_SECTION lock;
464} ioinfo;
465
466
467/*
468 * Array of arrays of control structures for lowio files.
469 */
470EXTERN_C _CRTIMP ioinfo* __pioinfo[];
471
472/*
473 * Definition of IOINFO_L2E, the log base 2 of the number of elements in each
474 * array of ioinfo structs.
475 */
476#define IOINFO_L2E 5
477
478/*
479 * Definition of IOINFO_ARRAY_ELTS, the number of elements in ioinfo array
480 */
481#define IOINFO_ARRAY_ELTS (1 << IOINFO_L2E)
482
483/*
484 * Access macros for getting at an ioinfo struct and its fields from a
485 * file handle
486 */
487#define _pioinfo(i) (__pioinfo[(i) >> IOINFO_L2E] + ((i) & (IOINFO_ARRAY_ELTS - 1)))
488#define _osfhnd(i) (_pioinfo(i)->osfhnd)
489#define _osfile(i) (_pioinfo(i)->osfile)
490#define _pipech(i) (_pioinfo(i)->pipech)
491
492/* since we are not doing a dup2(), this works fine */
c623ac67 493#define _set_osfhnd(fh, osfh) (void)(_osfhnd(fh) = (intptr_t)osfh)
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494#endif
495#endif
496
3fadfdf1 497/* IO.xs and POSIX.xs define PERLIO_NOT_STDIO to 1 */
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498#if defined(PERL_EXT_IO) || defined(PERL_EXT_POSIX)
499#undef PERLIO_NOT_STDIO
500#endif
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501#define PERLIO_NOT_STDIO 0
502
503#include "perlio.h"
504
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505/*
506 * This provides a layer of functions and macros to ensure extensions will
507 * get to use the same RTL functions as the core.
508 */
509#include "win32iop.h"
510
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511#define EXEC_ARGV_CAST(x) ((const char *const *) x)
512
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513#if !defined(ECONNABORTED) && defined(WSAECONNABORTED)
514#define ECONNABORTED WSAECONNABORTED
515#endif
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516#if !defined(ECONNRESET) && defined(WSAECONNRESET)
517#define ECONNRESET WSAECONNRESET
518#endif
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519#if !defined(EAFNOSUPPORT) && defined(WSAEAFNOSUPPORT)
520#define EAFNOSUPPORT WSAEAFNOSUPPORT
521#endif
f2b62286 522/* Why not needed for ECONNREFUSED? --abe */
4fb841ef 523
f4958739 524DllExport void *win32_signal_context(void);
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525#define PERL_GET_SIG_CONTEXT win32_signal_context()
526
68dc0745 527#endif /* _INC_WIN32_PERL5 */
7a9ec5a3 528