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[perl5.git] / ext / POSIX / lib / POSIX.pm
CommitLineData
a0d0e21e 1package POSIX;
e9b37efe
NC
2use strict;
3use warnings;
a0d0e21e 4
122efcc9 5our ($AUTOLOAD, %SIGRT);
73c78b0a 6
36dbc955 7our $VERSION = '1.95';
d5a0d2f9 8
da4061d3 9require XSLoader;
a0d0e21e 10
33fb14dc
NC
11use Fcntl qw(FD_CLOEXEC F_DUPFD F_GETFD F_GETFL F_GETLK F_RDLCK F_SETFD
12 F_SETFL F_SETLK F_SETLKW F_UNLCK F_WRLCK O_ACCMODE O_APPEND
13 O_CREAT O_EXCL O_NOCTTY O_NONBLOCK O_RDONLY O_RDWR O_TRUNC
a5d75221 14 O_WRONLY SEEK_CUR SEEK_END SEEK_SET
9b68a132 15 S_ISBLK S_ISCHR S_ISDIR S_ISFIFO S_ISREG
a5d75221
NC
16 S_IRGRP S_IROTH S_IRUSR S_IRWXG S_IRWXO S_IRWXU S_ISGID S_ISUID
17 S_IWGRP S_IWOTH S_IWUSR S_IXGRP S_IXOTH S_IXUSR);
33fb14dc 18
66fbe9e2
GS
19my $loaded;
20
66fbe9e2 21sub croak { require Carp; goto &Carp::croak }
122efcc9 22sub usage { croak "Usage: POSIX::$_[0]" }
4633a7c4 23
da4061d3 24XSLoader::load();
4633a7c4 25
8fe37eed 26my %replacement = (
1cb852db 27 L_tmpnam => undef,
8fe37eed
AP
28 atexit => 'END {}',
29 atof => undef,
30 atoi => undef,
31 atol => undef,
32 bsearch => \'not supplied',
33 calloc => undef,
34 clearerr => 'IO::Handle::clearerr',
35 div => '/, % and int',
36 execl => undef,
37 execle => undef,
38 execlp => undef,
39 execv => undef,
40 execve => undef,
41 execvp => undef,
42 fclose => 'IO::Handle::close',
43 fdopen => 'IO::Handle::new_from_fd',
44 feof => 'IO::Handle::eof',
45 ferror => 'IO::Handle::error',
46 fflush => 'IO::Handle::flush',
47 fgetc => 'IO::Handle::getc',
48 fgetpos => 'IO::Seekable::getpos',
49 fgets => 'IO::Handle::gets',
50 fileno => 'IO::Handle::fileno',
51 fopen => 'IO::File::open',
52 fprintf => 'printf',
53 fputc => 'print',
54 fputs => 'print',
55 fread => 'read',
56 free => undef,
57 freopen => 'open',
58 fscanf => '<> and regular expressions',
59 fseek => 'IO::Seekable::seek',
60 fsetpos => 'IO::Seekable::setpos',
61 fsync => 'IO::Handle::sync',
62 ftell => 'IO::Seekable::tell',
63 fwrite => 'print',
64 labs => 'abs',
65 ldiv => '/, % and int',
66 longjmp => 'die',
67 malloc => undef,
68 memchr => 'index()',
69 memcmp => 'eq',
70 memcpy => '=',
71 memmove => '=',
72 memset => 'x',
73 offsetof => undef,
74 putc => 'print',
75 putchar => 'print',
76 puts => 'print',
77 qsort => 'sort',
78 rand => \'non-portable, use Perl\'s rand instead',
79 realloc => undef,
80 scanf => '<> and regular expressions',
81 setbuf => 'IO::Handle::setbuf',
82 setjmp => 'eval {}',
83 setvbuf => 'IO::Handle::setvbuf',
84 siglongjmp => 'die',
85 sigsetjmp => 'eval {}',
96927498 86 srand => \'not supplied; refer to Perl\'s srand documentation',
8fe37eed
AP
87 sscanf => 'regular expressions',
88 strcat => '.=',
89 strchr => 'index()',
90 strcmp => 'eq',
91 strcpy => '=',
92 strcspn => 'regular expressions',
93 strlen => 'length',
94 strncat => '.=',
95 strncmp => 'eq',
96 strncpy => '=',
97 strpbrk => undef,
98 strrchr => 'rindex()',
99 strspn => undef,
100 strtok => undef,
101 tmpfile => 'IO::File::new_tmpfile',
f914a2ba 102 tmpnam => 'use File::Temp',
8fe37eed
AP
103 ungetc => 'IO::Handle::ungetc',
104 vfprintf => undef,
105 vprintf => undef,
106 vsprintf => undef,
107);
108
122efcc9 109my %reimpl = (
c60f3449
JH
110 abs => 'x => CORE::abs($_[0])',
111 alarm => 'seconds => CORE::alarm($_[0])',
122efcc9 112 assert => 'expr => croak "Assertion failed" if !$_[0]',
122efcc9 113 atan2 => 'x, y => CORE::atan2($_[0], $_[1])',
c60f3449
JH
114 chdir => 'directory => CORE::chdir($_[0])',
115 chmod => 'mode, filename => CORE::chmod($_[0], $_[1])',
116 chown => 'uid, gid, filename => CORE::chown($_[0], $_[1], $_[2])',
117 closedir => 'dirhandle => CORE::closedir($_[0])',
122efcc9 118 cos => 'x => CORE::cos($_[0])',
c60f3449
JH
119 creat => 'filename, mode => &open($_[0], &O_WRONLY | &O_CREAT | &O_TRUNC, $_[1])',
120 errno => '$! + 0',
121 exit => 'status => CORE::exit($_[0])',
122efcc9
AP
122 exp => 'x => CORE::exp($_[0])',
123 fabs => 'x => CORE::abs($_[0])',
c60f3449
JH
124 fcntl => 'filehandle, cmd, arg => CORE::fcntl($_[0], $_[1], $_[2])',
125 fork => 'CORE::fork',
126 fstat => 'fd => CORE::open my $dup, "<&", $_[0]; CORE::stat($dup)', # Gross.
122efcc9
AP
127 getc => 'handle => CORE::getc($_[0])',
128 getchar => 'CORE::getc(STDIN)',
122efcc9 129 getegid => '$) + 0',
c60f3449 130 getenv => 'name => $ENV{$_[0]}',
122efcc9
AP
131 geteuid => '$> + 0',
132 getgid => '$( + 0',
c60f3449
JH
133 getgrgid => 'gid => CORE::getgrgid($_[0])',
134 getgrnam => 'name => CORE::getgrnam($_[0])',
122efcc9
AP
135 getgroups => 'my %seen; grep !$seen{$_}++, split " ", $)',
136 getlogin => 'CORE::getlogin()',
137 getpgrp => 'CORE::getpgrp',
138 getpid => '$$',
139 getppid => 'CORE::getppid',
c60f3449
JH
140 getpwnam => 'name => CORE::getpwnam($_[0])',
141 getpwuid => 'uid => CORE::getpwuid($_[0])',
142 gets => 'scalar <STDIN>',
122efcc9 143 getuid => '$<',
c60f3449 144 gmtime => 'time => CORE::gmtime($_[0])',
122efcc9 145 isatty => 'filehandle => -t $_[0]',
c60f3449 146 kill => 'pid, sig => CORE::kill $_[1], $_[0]',
122efcc9 147 link => 'oldfilename, newfilename => CORE::link($_[0], $_[1])',
c60f3449
JH
148 localtime => 'time => CORE::localtime($_[0])',
149 log => 'x => CORE::log($_[0])',
150 mkdir => 'directoryname, mode => CORE::mkdir($_[0], $_[1])',
151 opendir => 'directory => my $dh; CORE::opendir($dh, $_[0]) ? $dh : undef',
152 pow => 'x, exponent => $_[0] ** $_[1]',
153 raise => 'sig => CORE::kill $_[0], $$; # Is this good enough',
154 readdir => 'dirhandle => CORE::readdir($_[0])',
155 remove => 'filename => (-d $_[0]) ? CORE::rmdir($_[0]) : CORE::unlink($_[0])',
156 rename => 'oldfilename, newfilename => CORE::rename($_[0], $_[1])',
157 rewind => 'filehandle => CORE::seek($_[0],0,0)',
158 rewinddir => 'dirhandle => CORE::rewinddir($_[0])',
122efcc9 159 rmdir => 'directoryname => CORE::rmdir($_[0])',
c60f3449
JH
160 sin => 'x => CORE::sin($_[0])',
161 sqrt => 'x => CORE::sqrt($_[0])',
162 stat => 'filename => CORE::stat($_[0])',
163 strerror => 'errno => BEGIN { local $!; require locale; locale->import} my $e = $_[0] + 0; local $!; $! = $e; "$!"',
164 strstr => 'big, little => CORE::index($_[0], $_[1])',
165 system => 'command => CORE::system($_[0])',
166 time => 'CORE::time',
c60f3449 167 umask => 'mask => CORE::umask($_[0])',
122efcc9
AP
168 unlink => 'filename => CORE::unlink($_[0])',
169 utime => 'filename, atime, mtime => CORE::utime($_[1], $_[2], $_[0])',
c60f3449
JH
170 wait => 'CORE::wait()',
171 waitpid => 'pid, options => CORE::waitpid($_[0], $_[1])',
122efcc9 172);
8fe37eed 173
19fc2965
JH
174sub import {
175 my $pkg = shift;
176
177 load_imports() unless $loaded++;
178
179 # Grandfather old foo_h form to new :foo_h form
180 s/^(?=\w+_h$)/:/ for my @list = @_;
181
182 my @unimpl = sort grep { exists $replacement{$_} } @list;
183 if (@unimpl) {
184 for my $u (@unimpl) {
185 warn "Unimplemented: POSIX::$u(): ", unimplemented_message($u);
186 }
187 croak(sprintf("Unimplemented: %s",
188 join(" ", map { "POSIX::$_()" } @unimpl)));
189 }
190
191 local $Exporter::ExportLevel = 1;
192 Exporter::import($pkg,@list);
193}
194
122efcc9 195eval join ';', map "sub $_", keys %replacement, keys %reimpl;
8fe37eed 196
19fc2965
JH
197sub unimplemented_message {
198 my $func = shift;
199 my $how = $replacement{$func};
200 return "C-specific, stopped" unless defined $how;
201 return "$$how" if ref $how;
202 return "$how instead" if $how =~ /^use /;
203 return "Use method $how() instead" if $how =~ /::/;
204 return "C-specific: use $how instead";
205}
206
122efcc9 207sub AUTOLOAD {
8fe37eed
AP
208 my ($func) = ($AUTOLOAD =~ /.*::(.*)/);
209
c448c124
AP
210 die "POSIX.xs has failed to load\n" if $func eq 'constant';
211
8dad66f8 212 if (my $code = $reimpl{$func}) {
122efcc9
AP
213 my ($num, $arg) = (0, '');
214 if ($code =~ s/^(.*?) *=> *//) {
215 $arg = $1;
216 $num = 1 + $arg =~ tr/,//;
217 }
218 # no warnings to be consistent with the old implementation, where each
219 # function was in its own little AutoSplit world:
220 eval qq{ sub $func {
221 no warnings;
222 usage "$func($arg)" if \@_ != $num;
223 $code
224 } };
225 no strict;
226 goto &$AUTOLOAD;
227 }
8fe37eed 228 if (exists $replacement{$func}) {
19fc2965 229 croak "Unimplemented: POSIX::$func(): ", unimplemented_message($func);
8fe37eed
AP
230 }
231
8fe37eed 232 constant($func);
a0d0e21e
LW
233}
234
a0d0e21e
LW
235sub perror {
236 print STDERR "@_: " if @_;
237 print STDERR $!,"\n";
238}
239
240sub printf {
241 usage "printf(pattern, args...)" if @_ < 1;
b56ec344 242 CORE::printf STDOUT @_;
a0d0e21e
LW
243}
244
a0d0e21e 245sub sprintf {
c43a6b96 246 usage "sprintf(pattern, args...)" if @_ == 0;
b56ec344 247 CORE::sprintf(shift,@_);
a0d0e21e
LW
248}
249
66fbe9e2 250sub load_imports {
fa44d961 251my %default_export_tags = ( # cf. exports policy below
66fbe9e2
GS
252
253 assert_h => [qw(assert NDEBUG)],
254
a65dc09f 255 ctype_h => [],
66fbe9e2 256
d4742b2c 257 dirent_h => [],
66fbe9e2 258
c3fa0c84
SH
259 errno_h => [qw(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EAFNOSUPPORT EAGAIN
260 EALREADY EBADF EBADMSG EBUSY ECANCELED ECHILD ECONNABORTED
261 ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDOM EDQUOT EEXIST
262 EFAULT EFBIG EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS
263 EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE
264 ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS
265 ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG
266 ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR
267 ENOTEMPTY ENOTRECOVERABLE ENOTSOCK ENOTSUP ENOTTY ENXIO
268 EOPNOTSUPP EOTHER EOVERFLOW EOWNERDEAD EPERM EPFNOSUPPORT EPIPE
269 EPROCLIM EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMOTE
270 ERESTART EROFS ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESTALE
271 ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV
272 errno)],
66fbe9e2
GS
273
274 fcntl_h => [qw(FD_CLOEXEC F_DUPFD F_GETFD F_GETFL F_GETLK F_RDLCK
275 F_SETFD F_SETFL F_SETLK F_SETLKW F_UNLCK F_WRLCK
276 O_ACCMODE O_APPEND O_CREAT O_EXCL O_NOCTTY O_NONBLOCK
277 O_RDONLY O_RDWR O_TRUNC O_WRONLY
278 creat
279 SEEK_CUR SEEK_END SEEK_SET
280 S_IRGRP S_IROTH S_IRUSR S_IRWXG S_IRWXO S_IRWXU
281 S_ISBLK S_ISCHR S_ISDIR S_ISFIFO S_ISGID S_ISREG S_ISUID
282 S_IWGRP S_IWOTH S_IWUSR)],
283
284 float_h => [qw(DBL_DIG DBL_EPSILON DBL_MANT_DIG
285 DBL_MAX DBL_MAX_10_EXP DBL_MAX_EXP
286 DBL_MIN DBL_MIN_10_EXP DBL_MIN_EXP
287 FLT_DIG FLT_EPSILON FLT_MANT_DIG
288 FLT_MAX FLT_MAX_10_EXP FLT_MAX_EXP
289 FLT_MIN FLT_MIN_10_EXP FLT_MIN_EXP
290 FLT_RADIX FLT_ROUNDS
291 LDBL_DIG LDBL_EPSILON LDBL_MANT_DIG
292 LDBL_MAX LDBL_MAX_10_EXP LDBL_MAX_EXP
293 LDBL_MIN LDBL_MIN_10_EXP LDBL_MIN_EXP)],
294
d4742b2c 295 grp_h => [],
66fbe9e2
GS
296
297 limits_h => [qw( ARG_MAX CHAR_BIT CHAR_MAX CHAR_MIN CHILD_MAX
298 INT_MAX INT_MIN LINK_MAX LONG_MAX LONG_MIN MAX_CANON
299 MAX_INPUT MB_LEN_MAX NAME_MAX NGROUPS_MAX OPEN_MAX
300 PATH_MAX PIPE_BUF SCHAR_MAX SCHAR_MIN SHRT_MAX SHRT_MIN
301 SSIZE_MAX STREAM_MAX TZNAME_MAX UCHAR_MAX UINT_MAX
302 ULONG_MAX USHRT_MAX _POSIX_ARG_MAX _POSIX_CHILD_MAX
303 _POSIX_LINK_MAX _POSIX_MAX_CANON _POSIX_MAX_INPUT
304 _POSIX_NAME_MAX _POSIX_NGROUPS_MAX _POSIX_OPEN_MAX
305 _POSIX_PATH_MAX _POSIX_PIPE_BUF _POSIX_SSIZE_MAX
306 _POSIX_STREAM_MAX _POSIX_TZNAME_MAX)],
307
83f427f7 308 locale_h => [qw(LC_ALL LC_COLLATE LC_CTYPE LC_MESSAGES
9821811f 309 LC_MONETARY LC_NUMERIC LC_TIME LC_IDENTIFICATION
36dbc955
KW
310 LC_MEASUREMENT LC_PAPER LC_TELEPHONE LC_ADDRESS
311 LC_SYNTAX LC_TOD NULL
83f427f7 312 localeconv setlocale)],
66fbe9e2 313
7658eeca
AP
314 math_h => [qw(FP_ILOGB0 FP_ILOGBNAN FP_INFINITE FP_NAN FP_NORMAL
315 FP_SUBNORMAL FP_ZERO
316 M_1_PI M_2_PI M_2_SQRTPI M_E M_LN10 M_LN2 M_LOG10E M_LOG2E
317 M_PI M_PI_2 M_PI_4 M_SQRT1_2 M_SQRT2
318 HUGE_VAL INFINITY NAN
319 acos asin atan ceil cosh fabs floor fmod
320 frexp ldexp log10 modf pow sinh tan tanh)],
66fbe9e2 321
d4742b2c 322 pwd_h => [],
66fbe9e2
GS
323
324 setjmp_h => [qw(longjmp setjmp siglongjmp sigsetjmp)],
325
326 signal_h => [qw(SA_NOCLDSTOP SA_NOCLDWAIT SA_NODEFER SA_ONSTACK
327 SA_RESETHAND SA_RESTART SA_SIGINFO SIGABRT SIGALRM
328 SIGCHLD SIGCONT SIGFPE SIGHUP SIGILL SIGINT SIGKILL
3609ea0d 329 SIGPIPE %SIGRT SIGRTMIN SIGRTMAX SIGQUIT SIGSEGV SIGSTOP
ee25ad77
FR
330 SIGTERM SIGTSTP SIGTTIN SIGTTOU SIGUSR1 SIGUSR2 SIGBUS
331 SIGPOLL SIGPROF SIGSYS SIGTRAP SIGURG SIGVTALRM SIGXCPU SIGXFSZ
3609ea0d
JH
332 SIG_BLOCK SIG_DFL SIG_ERR SIG_IGN SIG_SETMASK SIG_UNBLOCK
333 raise sigaction signal sigpending sigprocmask sigsuspend)],
66fbe9e2 334
d4742b2c 335 stdarg_h => [],
66fbe9e2
GS
336
337 stddef_h => [qw(NULL offsetof)],
338
339 stdio_h => [qw(BUFSIZ EOF FILENAME_MAX L_ctermid L_cuserid
1cb852db 340 NULL SEEK_CUR SEEK_END SEEK_SET
66fbe9e2
GS
341 STREAM_MAX TMP_MAX stderr stdin stdout
342 clearerr fclose fdopen feof ferror fflush fgetc fgetpos
343 fgets fopen fprintf fputc fputs fread freopen
344 fscanf fseek fsetpos ftell fwrite getchar gets
345 perror putc putchar puts remove rewind
346 scanf setbuf setvbuf sscanf tmpfile tmpnam
347 ungetc vfprintf vprintf vsprintf)],
348
349 stdlib_h => [qw(EXIT_FAILURE EXIT_SUCCESS MB_CUR_MAX NULL RAND_MAX
350 abort atexit atof atoi atol bsearch calloc div
351 free getenv labs ldiv malloc mblen mbstowcs mbtowc
7658eeca 352 qsort realloc strtod strtol strtoul wcstombs wctomb)],
66fbe9e2
GS
353
354 string_h => [qw(NULL memchr memcmp memcpy memmove memset strcat
355 strchr strcmp strcoll strcpy strcspn strerror strlen
356 strncat strncmp strncpy strpbrk strrchr strspn strstr
357 strtok strxfrm)],
358
359 sys_stat_h => [qw(S_IRGRP S_IROTH S_IRUSR S_IRWXG S_IRWXO S_IRWXU
360 S_ISBLK S_ISCHR S_ISDIR S_ISFIFO S_ISGID S_ISREG
361 S_ISUID S_IWGRP S_IWOTH S_IWUSR S_IXGRP S_IXOTH S_IXUSR
362 fstat mkfifo)],
363
d4742b2c 364 sys_times_h => [],
66fbe9e2 365
d4742b2c 366 sys_types_h => [],
66fbe9e2
GS
367
368 sys_utsname_h => [qw(uname)],
369
370 sys_wait_h => [qw(WEXITSTATUS WIFEXITED WIFSIGNALED WIFSTOPPED
371 WNOHANG WSTOPSIG WTERMSIG WUNTRACED)],
372
373 termios_h => [qw( B0 B110 B1200 B134 B150 B1800 B19200 B200 B2400
374 B300 B38400 B4800 B50 B600 B75 B9600 BRKINT CLOCAL
375 CREAD CS5 CS6 CS7 CS8 CSIZE CSTOPB ECHO ECHOE ECHOK
376 ECHONL HUPCL ICANON ICRNL IEXTEN IGNBRK IGNCR IGNPAR
377 INLCR INPCK ISIG ISTRIP IXOFF IXON NCCS NOFLSH OPOST
378 PARENB PARMRK PARODD TCIFLUSH TCIOFF TCIOFLUSH TCION
379 TCOFLUSH TCOOFF TCOON TCSADRAIN TCSAFLUSH TCSANOW
380 TOSTOP VEOF VEOL VERASE VINTR VKILL VMIN VQUIT VSTART
381 VSTOP VSUSP VTIME
382 cfgetispeed cfgetospeed cfsetispeed cfsetospeed tcdrain
383 tcflow tcflush tcgetattr tcsendbreak tcsetattr )],
384
385 time_h => [qw(CLK_TCK CLOCKS_PER_SEC NULL asctime clock ctime
ce0afe25 386 difftime mktime strftime tzset tzname)],
66fbe9e2
GS
387
388 unistd_h => [qw(F_OK NULL R_OK SEEK_CUR SEEK_END SEEK_SET
b250498f 389 STDERR_FILENO STDIN_FILENO STDOUT_FILENO W_OK X_OK
66fbe9e2
GS
390 _PC_CHOWN_RESTRICTED _PC_LINK_MAX _PC_MAX_CANON
391 _PC_MAX_INPUT _PC_NAME_MAX _PC_NO_TRUNC _PC_PATH_MAX
392 _PC_PIPE_BUF _PC_VDISABLE _POSIX_CHOWN_RESTRICTED
393 _POSIX_JOB_CONTROL _POSIX_NO_TRUNC _POSIX_SAVED_IDS
394 _POSIX_VDISABLE _POSIX_VERSION _SC_ARG_MAX
395 _SC_CHILD_MAX _SC_CLK_TCK _SC_JOB_CONTROL
d61b6859 396 _SC_NGROUPS_MAX _SC_OPEN_MAX _SC_PAGESIZE _SC_SAVED_IDS
66fbe9e2
GS
397 _SC_STREAM_MAX _SC_TZNAME_MAX _SC_VERSION
398 _exit access ctermid cuserid
399 dup2 dup execl execle execlp execv execve execvp
f0709b24 400 fpathconf fsync getcwd getegid geteuid getgid getgroups
66fbe9e2
GS
401 getpid getuid isatty lseek pathconf pause setgid setpgid
402 setsid setuid sysconf tcgetpgrp tcsetpgrp ttyname)],
403
d4742b2c 404 utime_h => [],
66fbe9e2
GS
405);
406
a28fff51
SH
407if ($^O eq 'MSWin32') {
408 $default_export_tags{winsock_h} = [qw(
409 WSAEINTR WSAEBADF WSAEACCES WSAEFAULT WSAEINVAL WSAEMFILE WSAEWOULDBLOCK
410 WSAEINPROGRESS WSAEALREADY WSAENOTSOCK WSAEDESTADDRREQ WSAEMSGSIZE
411 WSAEPROTOTYPE WSAENOPROTOOPT WSAEPROTONOSUPPORT WSAESOCKTNOSUPPORT
412 WSAEOPNOTSUPP WSAEPFNOSUPPORT WSAEAFNOSUPPORT WSAEADDRINUSE
413 WSAEADDRNOTAVAIL WSAENETDOWN WSAENETUNREACH WSAENETRESET WSAECONNABORTED
414 WSAECONNRESET WSAENOBUFS WSAEISCONN WSAENOTCONN WSAESHUTDOWN
415 WSAETOOMANYREFS WSAETIMEDOUT WSAECONNREFUSED WSAELOOP WSAENAMETOOLONG
416 WSAEHOSTDOWN WSAEHOSTUNREACH WSAENOTEMPTY WSAEPROCLIM WSAEUSERS
417 WSAEDQUOT WSAESTALE WSAEREMOTE WSAEDISCON WSAENOMORE WSAECANCELLED
418 WSAEINVALIDPROCTABLE WSAEINVALIDPROVIDER WSAEPROVIDERFAILEDINIT
419 WSAEREFUSED)];
420}
421
fa44d961 422my %other_export_tags = ( # cf. exports policy below
7658eeca
AP
423 fenv_h => [qw(
424 FE_DOWNWARD FE_TONEAREST FE_TOWARDZERO FE_UPWARD fegetround fesetround
425 )],
426
427 math_h_c99 => [ @{$default_export_tags{math_h}}, qw(
428 Inf NaN acosh asinh atanh cbrt copysign erf erfc exp2 expm1 fdim fma
429 fmax fmin fpclassify hypot ilogb isfinite isgreater isgreaterequal
430 isinf isless islessequal islessgreater isnan isnormal isunordered j0 j1
decf70bc 431 jn lgamma log1p log2 logb lrint lround nan nearbyint nextafter nexttoward
7658eeca
AP
432 remainder remquo rint round scalbn signbit tgamma trunc y0 y1 yn
433 )],
434
9a0b3f36
AC
435 netdb_h => [qw(EAI_AGAIN EAI_BADFLAGS EAI_FAIL
436 EAI_FAMILY EAI_MEMORY EAI_NONAME
437 EAI_OVERFLOW EAI_SERVICE EAI_SOCKTYPE
438 EAI_SYSTEM)],
439
7658eeca 440 stdlib_h_c99 => [ @{$default_export_tags{stdlib_h}}, 'strtold' ],
07bb61ac 441
4fd667a8
TC
442 sys_resource_h => [qw(PRIO_PROCESS PRIO_PGRP PRIO_USER)],
443
b40d1aa2
AC
444 sys_socket_h => [qw(
445 MSG_CTRUNC MSG_DONTROUTE MSG_EOR MSG_OOB MSG_PEEK MSG_TRUNC MSG_WAITALL
446 )],
447
07bb61ac 448 nan_payload => [ qw(getpayload setpayload setpayloadsig issignaling) ],
34e79b75
DIM
449
450 signal_h_si_code => [qw(
451 ILL_ILLOPC ILL_ILLOPN ILL_ILLADR ILL_ILLTRP ILL_PRVOPC ILL_PRVREG
452 ILL_COPROC ILL_BADSTK
453 FPE_INTDIV FPE_INTOVF FPE_FLTDIV FPE_FLTOVF FPE_FLTUND
454 FPE_FLTRES FPE_FLTINV FPE_FLTSUB
455 SEGV_MAPERR SEGV_ACCERR
456 BUS_ADRALN BUS_ADRERR BUS_OBJERR
457 TRAP_BRKPT TRAP_TRACE
458 CLD_EXITED CLD_KILLED CLD_DUMPED CLD_TRAPPED CLD_STOPPED CLD_CONTINUED
459 POLL_IN POLL_OUT POLL_MSG POLL_ERR POLL_PRI POLL_HUP
460 SI_USER SI_QUEUE SI_TIMER SI_ASYNCIO SI_MESGQ
461 )],
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462);
463
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464# exports policy:
465# - new functions may not be added to @EXPORT, only to @EXPORT_OK
466# - new SHOUTYCONSTANTS are OK to add to @EXPORT
467
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468{
469 # De-duplicate the export list:
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470 my ( %export, %export_ok );
471 @export {map {@$_} values %default_export_tags} = ();
472 @export_ok{map {@$_} values %other_export_tags} = ();
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473 # Doing the de-dup with a temporary hash has the advantage that the SVs in
474 # @EXPORT are actually shared hash key scalars, which will save some memory.
475 our @EXPORT = keys %export;
66fbe9e2 476
fa44d961 477 # you do not want to add symbols to the following list. add a new tag instead
a387c53a 478 our @EXPORT_OK = (qw(close lchown nice open pipe read sleep times write
decf70bc 479 printf sprintf),
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480 grep {!exists $export{$_}} keys %reimpl, keys %replacement, keys %export_ok);
481
482 our %EXPORT_TAGS = ( %default_export_tags, %other_export_tags );
8dad66f8 483}
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484
485require Exporter;
486}
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487
488package POSIX::SigAction;
489
fc8b6fe2 490sub new { bless {HANDLER => $_[1], MASK => $_[2], FLAGS => $_[3] || 0, SAFE => 0}, $_[0] }
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491sub handler { $_[0]->{HANDLER} = $_[1] if @_ > 1; $_[0]->{HANDLER} };
492sub mask { $_[0]->{MASK} = $_[1] if @_ > 1; $_[0]->{MASK} };
493sub flags { $_[0]->{FLAGS} = $_[1] if @_ > 1; $_[0]->{FLAGS} };
d36b6582 494sub safe { $_[0]->{SAFE} = $_[1] if @_ > 1; $_[0]->{SAFE} };
3609ea0d 495
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496{
497package POSIX::SigSet;
498# This package is here entirely to make sure that POSIX::SigSet is seen by the
499# PAUSE indexer, so that it will always be clearly indexed in core. This is to
500# prevent the accidental case where a third-party distribution can accidentally
501# claim the POSIX::SigSet package, as occurred in 2011-12. -- rjbs, 2011-12-30
502}
503
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504package POSIX::SigRt;
505
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506require Tie::Hash;
507
508our @ISA = 'Tie::StdHash';
509
510our ($_SIGRTMIN, $_SIGRTMAX, $_sigrtn);
511
512our $SIGACTION_FLAGS = 0;
513
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514sub _init {
515 $_SIGRTMIN = &POSIX::SIGRTMIN;
516 $_SIGRTMAX = &POSIX::SIGRTMAX;
517 $_sigrtn = $_SIGRTMAX - $_SIGRTMIN;
518}
519
520sub _croak {
521 &_init unless defined $_sigrtn;
522 die "POSIX::SigRt not available" unless defined $_sigrtn && $_sigrtn > 0;
523}
524
525sub _getsig {
526 &_croak;
527 my $rtsig = $_[0];
528 # Allow (SIGRT)?MIN( + n)?, a common idiom when doing these things in C.
529 $rtsig = $_SIGRTMIN + ($1 || 0)
530 if $rtsig =~ /^(?:(?:SIG)?RT)?MIN(\s*\+\s*(\d+))?$/;
531 return $rtsig;
532}
533
534sub _exist {
535 my $rtsig = _getsig($_[1]);
536 my $ok = $rtsig >= $_SIGRTMIN && $rtsig <= $_SIGRTMAX;
537 ($rtsig, $ok);
538}
539
540sub _check {
541 my ($rtsig, $ok) = &_exist;
542 die "No POSIX::SigRt signal $_[1] (valid range SIGRTMIN..SIGRTMAX, or $_SIGRTMIN..$_SIGRTMAX)"
543 unless $ok;
544 return $rtsig;
545}
546
547sub new {
548 my ($rtsig, $handler, $flags) = @_;
549 my $sigset = POSIX::SigSet->new($rtsig);
b0ac411b 550 my $sigact = POSIX::SigAction->new($handler, $sigset, $flags);
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551 POSIX::sigaction($rtsig, $sigact);
552}
553
554sub EXISTS { &_exist }
555sub FETCH { my $rtsig = &_check;
556 my $oa = POSIX::SigAction->new();
557 POSIX::sigaction($rtsig, undef, $oa);
558 return $oa->{HANDLER} }
559sub STORE { my $rtsig = &_check; new($rtsig, $_[2], $SIGACTION_FLAGS) }
560sub DELETE { delete $SIG{ &_check } }
561sub CLEAR { &_exist; delete @SIG{ &POSIX::SIGRTMIN .. &POSIX::SIGRTMAX } }
562sub SCALAR { &_croak; $_sigrtn + 1 }
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563
564tie %POSIX::SIGRT, 'POSIX::SigRt';
565# and the expression on the line above is true, so we return true.