5 our ($AUTOLOAD, %SIGRT);
11 use 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
14 O_WRONLY SEEK_CUR SEEK_END SEEK_SET
15 S_ISBLK S_ISCHR S_ISDIR S_ISFIFO S_ISREG
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);
24 load_imports() unless $loaded++;
26 # Grandfather old foo_h form to new :foo_h form
27 s/^(?=\w+_h$)/:/ for my @list = @_;
29 local $Exporter::ExportLevel = 1;
30 Exporter::import($pkg,@list);
33 sub croak { require Carp; goto &Carp::croak }
34 sub usage { croak "Usage: POSIX::$_[0]" }
43 bsearch => \'not supplied',
45 clearerr => 'IO::Handle::clearerr',
46 div => '/, % and int',
53 fclose => 'IO::Handle::close',
54 fdopen => 'IO::Handle::new_from_fd',
55 feof => 'IO::Handle::eof',
56 ferror => 'IO::Handle::error',
57 fflush => 'IO::Handle::flush',
58 fgetc => 'IO::Handle::getc',
59 fgetpos => 'IO::Seekable::getpos',
60 fgets => 'IO::Handle::gets',
61 fileno => 'IO::Handle::fileno',
62 fopen => 'IO::File::open',
69 fscanf => '<> and regular expressions',
70 fseek => 'IO::Seekable::seek',
71 fsetpos => 'IO::Seekable::setpos',
72 fsync => 'IO::Handle::sync',
73 ftell => 'IO::Seekable::tell',
76 ldiv => '/, % and int',
89 rand => \'non-portable, use Perl\'s rand instead',
91 scanf => '<> and regular expressions',
92 setbuf => 'IO::Handle::setbuf',
94 setvbuf => 'IO::Handle::setvbuf',
96 sigsetjmp => 'eval {}',
97 srand => \'not supplied; refer to Perl\'s srand documentation',
98 sscanf => 'regular expressions',
103 strcspn => 'regular expressions',
109 strrchr => 'rindex()',
112 tmpfile => 'IO::File::new_tmpfile',
113 ungetc => 'IO::Handle::ungetc',
120 assert => 'expr => croak "Assertion failed" if !$_[0]',
121 tolower => 'string => lc($_[0])',
122 toupper => 'string => uc($_[0])',
123 closedir => 'dirhandle => CORE::closedir($_[0])',
124 opendir => 'directory => my $dh; CORE::opendir($dh, $_[0]) ? $dh : undef',
125 readdir => 'dirhandle => CORE::readdir($_[0])',
126 rewinddir => 'dirhandle => CORE::rewinddir($_[0])',
128 creat => 'filename, mode => &open($_[0], &O_WRONLY | &O_CREAT | &O_TRUNC, $_[1])',
129 fcntl => 'filehandle, cmd, arg => CORE::fcntl($_[0], $_[1], $_[2])',
130 getgrgid => 'gid => CORE::getgrgid($_[0])',
131 getgrnam => 'name => CORE::getgrnam($_[0])',
132 atan2 => 'x, y => CORE::atan2($_[0], $_[1])',
133 cos => 'x => CORE::cos($_[0])',
134 exp => 'x => CORE::exp($_[0])',
135 fabs => 'x => CORE::abs($_[0])',
136 log => 'x => CORE::log($_[0])',
137 pow => 'x, exponent => $_[0] ** $_[1]',
138 sin => 'x => CORE::sin($_[0])',
139 sqrt => 'x => CORE::sqrt($_[0])',
140 getpwnam => 'name => CORE::getpwnam($_[0])',
141 getpwuid => 'uid => CORE::getpwuid($_[0])',
142 kill => 'pid, sig => CORE::kill $_[1], $_[0]',
143 raise => 'sig => CORE::kill $_[0], $$; # Is this good enough',
144 getc => 'handle => CORE::getc($_[0])',
145 getchar => 'CORE::getc(STDIN)',
146 gets => 'scalar <STDIN>',
147 remove => 'filename => (-d $_[0]) ? CORE::rmdir($_[0]) : CORE::unlink($_[0])',
148 rename => 'oldfilename, newfilename => CORE::rename($_[0], $_[1])',
149 rewind => 'filehandle => CORE::seek($_[0],0,0)',
150 abs => 'x => CORE::abs($_[0])',
151 exit => 'status => CORE::exit($_[0])',
152 getenv => 'name => $ENV{$_[0]}',
153 system => 'command => CORE::system($_[0])',
154 strerror => 'errno => local $! = $_[0]; "$!"',
155 strstr => 'big, little => CORE::index($_[0], $_[1])',
156 chmod => 'mode, filename => CORE::chmod($_[0], $_[1])',
157 fstat => 'fd => CORE::open my $dup, "<&", $_[0]; CORE::stat($dup)', # Gross.
158 mkdir => 'directoryname, mode => CORE::mkdir($_[0], $_[1])',
159 stat => 'filename => CORE::stat($_[0])',
160 umask => 'mask => CORE::umask($_[0])',
161 wait => 'CORE::wait()',
162 waitpid => 'pid, options => CORE::waitpid($_[0], $_[1])',
163 gmtime => 'time => CORE::gmtime($_[0])',
164 localtime => 'time => CORE::localtime($_[0])',
165 time => 'CORE::time',
166 alarm => 'seconds => CORE::alarm($_[0])',
167 chdir => 'directory => CORE::chdir($_[0])',
168 chown => 'uid, gid, filename => CORE::chown($_[0], $_[1], $_[2])',
169 fork => 'CORE::fork',
173 getgroups => 'my %seen; grep !$seen{$_}++, split " ", $)',
174 getlogin => 'CORE::getlogin()',
175 getpgrp => 'CORE::getpgrp',
177 getppid => 'CORE::getppid',
179 isatty => 'filehandle => -t $_[0]',
180 link => 'oldfilename, newfilename => CORE::link($_[0], $_[1])',
181 rmdir => 'directoryname => CORE::rmdir($_[0])',
182 unlink => 'filename => CORE::unlink($_[0])',
183 utime => 'filename, atime, mtime => CORE::utime($_[1], $_[2], $_[0])',
186 eval join ';', map "sub $_", keys %replacement, keys %reimpl;
189 my ($func) = ($AUTOLOAD =~ /.*::(.*)/);
191 die "POSIX.xs has failed to load\n" if $func eq 'constant';
193 if (my $code = $reimpl{$func}) {
194 my ($num, $arg) = (0, '');
195 if ($code =~ s/^(.*?) *=> *//) {
197 $num = 1 + $arg =~ tr/,//;
199 # no warnings to be consistent with the old implementation, where each
200 # function was in its own little AutoSplit world:
203 usage "$func($arg)" if \@_ != $num;
209 if (exists $replacement{$func}) {
210 my $how = $replacement{$func};
211 croak "Unimplemented: POSIX::$func() is C-specific, stopped"
213 croak "Unimplemented: POSIX::$func() is $$how" if ref $how;
214 croak "Use method $how() instead of POSIX::$func()" if $how =~ /::/;
215 croak "Unimplemented: POSIX::$func() is C-specific: use $how instead";
222 print STDERR "@_: " if @_;
223 print STDERR $!,"\n";
227 usage "printf(pattern, args...)" if @_ < 1;
228 CORE::printf STDOUT @_;
232 usage "sprintf(pattern, args...)" if @_ == 0;
233 CORE::sprintf(shift,@_);
239 assert_h => [qw(assert NDEBUG)],
241 ctype_h => [qw(isalnum isalpha iscntrl isdigit isgraph islower
242 isprint ispunct isspace isupper isxdigit tolower toupper)],
246 errno_h => [qw(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EAFNOSUPPORT EAGAIN
247 EALREADY EBADF EBADMSG EBUSY ECANCELED ECHILD ECONNABORTED
248 ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDOM EDQUOT EEXIST
249 EFAULT EFBIG EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS
250 EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE
251 ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS
252 ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG
253 ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR
254 ENOTEMPTY ENOTRECOVERABLE ENOTSOCK ENOTSUP ENOTTY ENXIO
255 EOPNOTSUPP EOTHER EOVERFLOW EOWNERDEAD EPERM EPFNOSUPPORT EPIPE
256 EPROCLIM EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMOTE
257 ERESTART EROFS ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESTALE
258 ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV
261 fcntl_h => [qw(FD_CLOEXEC F_DUPFD F_GETFD F_GETFL F_GETLK F_RDLCK
262 F_SETFD F_SETFL F_SETLK F_SETLKW F_UNLCK F_WRLCK
263 O_ACCMODE O_APPEND O_CREAT O_EXCL O_NOCTTY O_NONBLOCK
264 O_RDONLY O_RDWR O_TRUNC O_WRONLY
266 SEEK_CUR SEEK_END SEEK_SET
267 S_IRGRP S_IROTH S_IRUSR S_IRWXG S_IRWXO S_IRWXU
268 S_ISBLK S_ISCHR S_ISDIR S_ISFIFO S_ISGID S_ISREG S_ISUID
269 S_IWGRP S_IWOTH S_IWUSR)],
271 fenv_h => [qw(FE_DOWNWARD FE_TONEAREST FE_TOWARDZERO FE_UPWARD
272 fegetround fesetround)],
274 float_h => [qw(DBL_DIG DBL_EPSILON DBL_MANT_DIG
275 DBL_MAX DBL_MAX_10_EXP DBL_MAX_EXP
276 DBL_MIN DBL_MIN_10_EXP DBL_MIN_EXP
277 FLT_DIG FLT_EPSILON FLT_MANT_DIG
278 FLT_MAX FLT_MAX_10_EXP FLT_MAX_EXP
279 FLT_MIN FLT_MIN_10_EXP FLT_MIN_EXP
281 LDBL_DIG LDBL_EPSILON LDBL_MANT_DIG
282 LDBL_MAX LDBL_MAX_10_EXP LDBL_MAX_EXP
283 LDBL_MIN LDBL_MIN_10_EXP LDBL_MIN_EXP)],
287 limits_h => [qw( ARG_MAX CHAR_BIT CHAR_MAX CHAR_MIN CHILD_MAX
288 INT_MAX INT_MIN LINK_MAX LONG_MAX LONG_MIN MAX_CANON
289 MAX_INPUT MB_LEN_MAX NAME_MAX NGROUPS_MAX OPEN_MAX
290 PATH_MAX PIPE_BUF SCHAR_MAX SCHAR_MIN SHRT_MAX SHRT_MIN
291 SSIZE_MAX STREAM_MAX TZNAME_MAX UCHAR_MAX UINT_MAX
292 ULONG_MAX USHRT_MAX _POSIX_ARG_MAX _POSIX_CHILD_MAX
293 _POSIX_LINK_MAX _POSIX_MAX_CANON _POSIX_MAX_INPUT
294 _POSIX_NAME_MAX _POSIX_NGROUPS_MAX _POSIX_OPEN_MAX
295 _POSIX_PATH_MAX _POSIX_PIPE_BUF _POSIX_SSIZE_MAX
296 _POSIX_STREAM_MAX _POSIX_TZNAME_MAX)],
298 locale_h => [qw(LC_ALL LC_COLLATE LC_CTYPE LC_MESSAGES
299 LC_MONETARY LC_NUMERIC LC_TIME NULL
300 localeconv setlocale)],
302 math_h => [qw(FP_ILOGB0 FP_ILOGBNAN FP_INFINITE FP_NAN FP_NORMAL
303 FP_SUBNORMAL FP_ZERO HUGE_VAL INFINITY Inf M_1_PI
304 M_2_PI M_2_SQRTPI M_E M_LN10 M_LN2 M_LOG10E M_LOG2E M_PI
305 M_PI_2 M_PI_4 M_SQRT1_2 M_SQRT2 NAN NaN acos acosh
306 asin asinh atan atanh cbrt ceil copysign cosh erf
307 erfc exp2 expm1 fabs fdim floor fma fmax fmin fmod
308 fpclassify frexp hypot ilogb isfinite isgreater
309 isgreaterequal isinf isless islessequal
310 islessgreater isnan isnormal isunordered j0 j1 jn
311 ldexp lgamma log10 log1p log2 logb lrint modf nan
312 nearbyint nextafter nexttoward pow remainder remquo
313 rint round scalbn signbit sinh tan tanh tgamma trunc
318 setjmp_h => [qw(longjmp setjmp siglongjmp sigsetjmp)],
320 signal_h => [qw(SA_NOCLDSTOP SA_NOCLDWAIT SA_NODEFER SA_ONSTACK
321 SA_RESETHAND SA_RESTART SA_SIGINFO SIGABRT SIGALRM
322 SIGCHLD SIGCONT SIGFPE SIGHUP SIGILL SIGINT SIGKILL
323 SIGPIPE %SIGRT SIGRTMIN SIGRTMAX SIGQUIT SIGSEGV SIGSTOP
324 SIGTERM SIGTSTP SIGTTIN SIGTTOU SIGUSR1 SIGUSR2 SIGBUS
325 SIGPOLL SIGPROF SIGSYS SIGTRAP SIGURG SIGVTALRM SIGXCPU SIGXFSZ
326 SIG_BLOCK SIG_DFL SIG_ERR SIG_IGN SIG_SETMASK SIG_UNBLOCK
327 raise sigaction signal sigpending sigprocmask sigsuspend)],
331 stddef_h => [qw(NULL offsetof)],
333 stdio_h => [qw(BUFSIZ EOF FILENAME_MAX L_ctermid L_cuserid
334 L_tmpname NULL SEEK_CUR SEEK_END SEEK_SET
335 STREAM_MAX TMP_MAX stderr stdin stdout
336 clearerr fclose fdopen feof ferror fflush fgetc fgetpos
337 fgets fopen fprintf fputc fputs fread freopen
338 fscanf fseek fsetpos ftell fwrite getchar gets
339 perror putc putchar puts remove rewind
340 scanf setbuf setvbuf sscanf tmpfile tmpnam
341 ungetc vfprintf vprintf vsprintf)],
343 stdlib_h => [qw(EXIT_FAILURE EXIT_SUCCESS MB_CUR_MAX NULL RAND_MAX
344 abort atexit atof atoi atol bsearch calloc div
345 free getenv labs ldiv malloc mblen mbstowcs mbtowc
346 qsort realloc strtod strtol strtold strtoul wcstombs wctomb)],
348 string_h => [qw(NULL memchr memcmp memcpy memmove memset strcat
349 strchr strcmp strcoll strcpy strcspn strerror strlen
350 strncat strncmp strncpy strpbrk strrchr strspn strstr
353 sys_stat_h => [qw(S_IRGRP S_IROTH S_IRUSR S_IRWXG S_IRWXO S_IRWXU
354 S_ISBLK S_ISCHR S_ISDIR S_ISFIFO S_ISGID S_ISREG
355 S_ISUID S_IWGRP S_IWOTH S_IWUSR S_IXGRP S_IXOTH S_IXUSR
362 sys_utsname_h => [qw(uname)],
364 sys_wait_h => [qw(WEXITSTATUS WIFEXITED WIFSIGNALED WIFSTOPPED
365 WNOHANG WSTOPSIG WTERMSIG WUNTRACED)],
367 termios_h => [qw( B0 B110 B1200 B134 B150 B1800 B19200 B200 B2400
368 B300 B38400 B4800 B50 B600 B75 B9600 BRKINT CLOCAL
369 CREAD CS5 CS6 CS7 CS8 CSIZE CSTOPB ECHO ECHOE ECHOK
370 ECHONL HUPCL ICANON ICRNL IEXTEN IGNBRK IGNCR IGNPAR
371 INLCR INPCK ISIG ISTRIP IXOFF IXON NCCS NOFLSH OPOST
372 PARENB PARMRK PARODD TCIFLUSH TCIOFF TCIOFLUSH TCION
373 TCOFLUSH TCOOFF TCOON TCSADRAIN TCSAFLUSH TCSANOW
374 TOSTOP VEOF VEOL VERASE VINTR VKILL VMIN VQUIT VSTART
376 cfgetispeed cfgetospeed cfsetispeed cfsetospeed tcdrain
377 tcflow tcflush tcgetattr tcsendbreak tcsetattr )],
379 time_h => [qw(CLK_TCK CLOCKS_PER_SEC NULL asctime clock ctime
380 difftime mktime strftime tzset tzname)],
382 unistd_h => [qw(F_OK NULL R_OK SEEK_CUR SEEK_END SEEK_SET
383 STDERR_FILENO STDIN_FILENO STDOUT_FILENO W_OK X_OK
384 _PC_CHOWN_RESTRICTED _PC_LINK_MAX _PC_MAX_CANON
385 _PC_MAX_INPUT _PC_NAME_MAX _PC_NO_TRUNC _PC_PATH_MAX
386 _PC_PIPE_BUF _PC_VDISABLE _POSIX_CHOWN_RESTRICTED
387 _POSIX_JOB_CONTROL _POSIX_NO_TRUNC _POSIX_SAVED_IDS
388 _POSIX_VDISABLE _POSIX_VERSION _SC_ARG_MAX
389 _SC_CHILD_MAX _SC_CLK_TCK _SC_JOB_CONTROL
390 _SC_NGROUPS_MAX _SC_OPEN_MAX _SC_PAGESIZE _SC_SAVED_IDS
391 _SC_STREAM_MAX _SC_TZNAME_MAX _SC_VERSION
392 _exit access ctermid cuserid
393 dup2 dup execl execle execlp execv execve execvp
394 fpathconf fsync getcwd getegid geteuid getgid getgroups
395 getpid getuid isatty lseek pathconf pause setgid setpgid
396 setsid setuid sysconf tcgetpgrp tcsetpgrp ttyname)],
401 # Exporter::export_tags();
403 # De-duplicate the export list:
405 @export{map {@$_} values %EXPORT_TAGS} = ();
406 # Doing the de-dup with a temporary hash has the advantage that the SVs in
407 # @EXPORT are actually shared hash key scalars, which will save some memory.
408 our @EXPORT = keys %export;
410 our @EXPORT_OK = (qw(close lchown nice open pipe read sleep times write
412 grep {!exists $export{$_}} keys %reimpl, keys %replacement);
418 package POSIX::SigAction;
420 sub new { bless {HANDLER => $_[1], MASK => $_[2], FLAGS => $_[3] || 0, SAFE => 0}, $_[0] }
421 sub handler { $_[0]->{HANDLER} = $_[1] if @_ > 1; $_[0]->{HANDLER} };
422 sub mask { $_[0]->{MASK} = $_[1] if @_ > 1; $_[0]->{MASK} };
423 sub flags { $_[0]->{FLAGS} = $_[1] if @_ > 1; $_[0]->{FLAGS} };
424 sub safe { $_[0]->{SAFE} = $_[1] if @_ > 1; $_[0]->{SAFE} };
427 package POSIX::SigSet;
428 # This package is here entirely to make sure that POSIX::SigSet is seen by the
429 # PAUSE indexer, so that it will always be clearly indexed in core. This is to
430 # prevent the accidental case where a third-party distribution can accidentally
431 # claim the POSIX::SigSet package, as occurred in 2011-12. -- rjbs, 2011-12-30
434 package POSIX::SigRt;
438 our @ISA = 'Tie::StdHash';
440 our ($_SIGRTMIN, $_SIGRTMAX, $_sigrtn);
442 our $SIGACTION_FLAGS = 0;
445 $_SIGRTMIN = &POSIX::SIGRTMIN;
446 $_SIGRTMAX = &POSIX::SIGRTMAX;
447 $_sigrtn = $_SIGRTMAX - $_SIGRTMIN;
451 &_init unless defined $_sigrtn;
452 die "POSIX::SigRt not available" unless defined $_sigrtn && $_sigrtn > 0;
458 # Allow (SIGRT)?MIN( + n)?, a common idiom when doing these things in C.
459 $rtsig = $_SIGRTMIN + ($1 || 0)
460 if $rtsig =~ /^(?:(?:SIG)?RT)?MIN(\s*\+\s*(\d+))?$/;
465 my $rtsig = _getsig($_[1]);
466 my $ok = $rtsig >= $_SIGRTMIN && $rtsig <= $_SIGRTMAX;
471 my ($rtsig, $ok) = &_exist;
472 die "No POSIX::SigRt signal $_[1] (valid range SIGRTMIN..SIGRTMAX, or $_SIGRTMIN..$_SIGRTMAX)"
478 my ($rtsig, $handler, $flags) = @_;
479 my $sigset = POSIX::SigSet->new($rtsig);
480 my $sigact = POSIX::SigAction->new($handler, $sigset, $flags);
481 POSIX::sigaction($rtsig, $sigact);
484 sub EXISTS { &_exist }
485 sub FETCH { my $rtsig = &_check;
486 my $oa = POSIX::SigAction->new();
487 POSIX::sigaction($rtsig, undef, $oa);
488 return $oa->{HANDLER} }
489 sub STORE { my $rtsig = &_check; new($rtsig, $_[2], $SIGACTION_FLAGS) }
490 sub DELETE { delete $SIG{ &_check } }
491 sub CLEAR { &_exist; delete @SIG{ &POSIX::SIGRTMIN .. &POSIX::SIGRTMAX } }
492 sub SCALAR { &_croak; $_sigrtn + 1 }
494 tie %POSIX::SIGRT, 'POSIX::SigRt';
495 # and the expression on the line above is true, so we return true.