5 our ($AUTOLOAD, %SIGRT);
11 use Fcntl qw(FD_CLOEXEC F_DUPFD F_GETFD F_GETFL F_GETLK F_RDLCK F_SETFD
12 F_SETFL F_SETLK F_SETLKW F_UNLCK F_WRLCK O_ACCMODE O_APPEND
13 O_CREAT O_EXCL O_NOCTTY O_NONBLOCK O_RDONLY O_RDWR O_TRUNC
14 O_WRONLY SEEK_CUR SEEK_END SEEK_SET
15 S_ISBLK S_ISCHR S_ISDIR S_ISFIFO S_ISREG
16 S_IRGRP S_IROTH S_IRUSR S_IRWXG S_IRWXO S_IRWXU S_ISGID S_ISUID
17 S_IWGRP S_IWOTH S_IWUSR S_IXGRP S_IXOTH S_IXUSR);
21 sub croak { require Carp; goto &Carp::croak }
22 sub usage { croak "Usage: POSIX::$_[0]" }
32 bsearch => \'not supplied',
34 clearerr => 'IO::Handle::clearerr',
35 div => '/, % and int',
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',
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',
65 ldiv => '/, % and int',
78 rand => \'non-portable, use Perl\'s rand instead',
80 scanf => '<> and regular expressions',
81 setbuf => 'IO::Handle::setbuf',
83 setvbuf => 'IO::Handle::setvbuf',
85 sigsetjmp => 'eval {}',
86 srand => \'not supplied; refer to Perl\'s srand documentation',
87 sscanf => 'regular expressions',
92 strcspn => 'regular expressions',
98 strrchr => 'rindex()',
101 tmpfile => 'IO::File::new_tmpfile',
102 tmpnam => 'use File::Temp',
103 ungetc => 'IO::Handle::ungetc',
110 abs => 'x => CORE::abs($_[0])',
111 alarm => 'seconds => CORE::alarm($_[0])',
112 assert => 'expr => croak "Assertion failed" if !$_[0]',
113 atan2 => 'x, y => CORE::atan2($_[0], $_[1])',
114 chdir => 'directory => CORE::chdir($_[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])',
118 cos => 'x => CORE::cos($_[0])',
119 creat => 'filename, mode => &open($_[0], &O_WRONLY | &O_CREAT | &O_TRUNC, $_[1])',
121 exit => 'status => CORE::exit($_[0])',
122 exp => 'x => CORE::exp($_[0])',
123 fabs => 'x => CORE::abs($_[0])',
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.
127 getc => 'handle => CORE::getc($_[0])',
128 getchar => 'CORE::getc(STDIN)',
130 getenv => 'name => $ENV{$_[0]}',
133 getgrgid => 'gid => CORE::getgrgid($_[0])',
134 getgrnam => 'name => CORE::getgrnam($_[0])',
135 getgroups => 'my %seen; grep !$seen{$_}++, split " ", $)',
136 getlogin => 'CORE::getlogin()',
137 getpgrp => 'CORE::getpgrp',
139 getppid => 'CORE::getppid',
140 getpwnam => 'name => CORE::getpwnam($_[0])',
141 getpwuid => 'uid => CORE::getpwuid($_[0])',
142 gets => 'scalar <STDIN>',
144 gmtime => 'time => CORE::gmtime($_[0])',
145 isatty => 'filehandle => -t $_[0]',
146 kill => 'pid, sig => CORE::kill $_[1], $_[0]',
147 link => 'oldfilename, newfilename => CORE::link($_[0], $_[1])',
148 localtime => 'time => CORE::localtime($_[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], $$; # Is this good enough',
154 readdir => 'dirhandle => CORE::readdir($_[0])',
155 remove => 'filename => (-d $_[0]) ? CORE::rmdir($_[0]) : CORE::unlink($_[0])',
156 rename => 'oldfilename, newfilename => CORE::rename($_[0], $_[1])',
157 rewind => 'filehandle => CORE::seek($_[0],0,0)',
158 rewinddir => 'dirhandle => CORE::rewinddir($_[0])',
159 rmdir => 'directoryname => CORE::rmdir($_[0])',
160 sin => 'x => CORE::sin($_[0])',
161 sqrt => 'x => CORE::sqrt($_[0])',
162 stat => 'filename => CORE::stat($_[0])',
163 strerror => 'errno => BEGIN { local $!; require locale; locale->import} my $e = $_[0] + 0; local $!; $! = $e; "$!"',
164 strstr => 'big, little => CORE::index($_[0], $_[1])',
165 system => 'command => CORE::system($_[0])',
166 time => 'CORE::time',
167 umask => 'mask => CORE::umask($_[0])',
168 unlink => 'filename => CORE::unlink($_[0])',
169 utime => 'filename, atime, mtime => CORE::utime($_[1], $_[2], $_[0])',
170 wait => 'CORE::wait()',
171 waitpid => 'pid, options => CORE::waitpid($_[0], $_[1])',
177 load_imports() unless $loaded++;
179 # Grandfather old foo_h form to new :foo_h form
180 s/^(?=\w+_h$)/:/ for my @list = @_;
182 my @unimpl = sort grep { exists $replacement{$_} } @list;
184 for my $u (@unimpl) {
185 warn "Unimplemented: POSIX::$u(): ", unimplemented_message($u);
187 croak(sprintf("Unimplemented: %s",
188 join(" ", map { "POSIX::$_()" } @unimpl)));
191 local $Exporter::ExportLevel = 1;
192 Exporter::import($pkg,@list);
195 eval join ';', map "sub $_", keys %replacement, keys %reimpl;
197 sub unimplemented_message {
199 my $how = $replacement{$func};
200 return "C-specific, stopped" unless defined $how;
201 return "$$how" if ref $how;
202 return "$how instead" if $how =~ /^use /;
203 return "Use method $how() instead" if $how =~ /::/;
204 return "C-specific: use $how instead";
208 my ($func) = ($AUTOLOAD =~ /.*::(.*)/);
210 die "POSIX.xs has failed to load\n" if $func eq 'constant';
212 if (my $code = $reimpl{$func}) {
213 my ($num, $arg) = (0, '');
214 if ($code =~ s/^(.*?) *=> *//) {
216 $num = 1 + $arg =~ tr/,//;
218 # no warnings to be consistent with the old implementation, where each
219 # function was in its own little AutoSplit world:
222 usage "$func($arg)" if \@_ != $num;
228 if (exists $replacement{$func}) {
229 croak "Unimplemented: POSIX::$func(): ", unimplemented_message($func);
236 print STDERR "@_: " if @_;
237 print STDERR $!,"\n";
241 usage "printf(pattern, args...)" if @_ < 1;
242 CORE::printf STDOUT @_;
246 usage "sprintf(pattern, args...)" if @_ == 0;
247 CORE::sprintf(shift,@_);
251 my %default_export_tags = ( # cf. exports policy below
253 assert_h => [qw(assert NDEBUG)],
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
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
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)],
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
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)],
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)],
308 locale_h => [qw(LC_ALL LC_COLLATE LC_CTYPE LC_MESSAGES
309 LC_MONETARY LC_NUMERIC LC_TIME LC_IDENTIFICATION
310 LC_MEASUREMENT LC_PAPER LC_TELEPHONE LC_ADDRESS NULL
311 localeconv setlocale)],
313 math_h => [qw(FP_ILOGB0 FP_ILOGBNAN FP_INFINITE FP_NAN FP_NORMAL
315 M_1_PI M_2_PI M_2_SQRTPI M_E M_LN10 M_LN2 M_LOG10E M_LOG2E
316 M_PI M_PI_2 M_PI_4 M_SQRT1_2 M_SQRT2
317 HUGE_VAL INFINITY NAN
318 acos asin atan ceil cosh fabs floor fmod
319 frexp ldexp log10 modf pow sinh tan tanh)],
323 setjmp_h => [qw(longjmp setjmp siglongjmp sigsetjmp)],
325 signal_h => [qw(SA_NOCLDSTOP SA_NOCLDWAIT SA_NODEFER SA_ONSTACK
326 SA_RESETHAND SA_RESTART SA_SIGINFO SIGABRT SIGALRM
327 SIGCHLD SIGCONT SIGFPE SIGHUP SIGILL SIGINT SIGKILL
328 SIGPIPE %SIGRT SIGRTMIN SIGRTMAX SIGQUIT SIGSEGV SIGSTOP
329 SIGTERM SIGTSTP SIGTTIN SIGTTOU SIGUSR1 SIGUSR2 SIGBUS
330 SIGPOLL SIGPROF SIGSYS SIGTRAP SIGURG SIGVTALRM SIGXCPU SIGXFSZ
331 SIG_BLOCK SIG_DFL SIG_ERR SIG_IGN SIG_SETMASK SIG_UNBLOCK
332 raise sigaction signal sigpending sigprocmask sigsuspend)],
336 stddef_h => [qw(NULL offsetof)],
338 stdio_h => [qw(BUFSIZ EOF FILENAME_MAX L_ctermid L_cuserid
339 NULL SEEK_CUR SEEK_END SEEK_SET
340 STREAM_MAX TMP_MAX stderr stdin stdout
341 clearerr fclose fdopen feof ferror fflush fgetc fgetpos
342 fgets fopen fprintf fputc fputs fread freopen
343 fscanf fseek fsetpos ftell fwrite getchar gets
344 perror putc putchar puts remove rewind
345 scanf setbuf setvbuf sscanf tmpfile tmpnam
346 ungetc vfprintf vprintf vsprintf)],
348 stdlib_h => [qw(EXIT_FAILURE EXIT_SUCCESS MB_CUR_MAX NULL RAND_MAX
349 abort atexit atof atoi atol bsearch calloc div
350 free getenv labs ldiv malloc mblen mbstowcs mbtowc
351 qsort realloc strtod strtol strtoul wcstombs wctomb)],
353 string_h => [qw(NULL memchr memcmp memcpy memmove memset strcat
354 strchr strcmp strcoll strcpy strcspn strerror strlen
355 strncat strncmp strncpy strpbrk strrchr strspn strstr
358 sys_stat_h => [qw(S_IRGRP S_IROTH S_IRUSR S_IRWXG S_IRWXO S_IRWXU
359 S_ISBLK S_ISCHR S_ISDIR S_ISFIFO S_ISGID S_ISREG
360 S_ISUID S_IWGRP S_IWOTH S_IWUSR S_IXGRP S_IXOTH S_IXUSR
367 sys_utsname_h => [qw(uname)],
369 sys_wait_h => [qw(WEXITSTATUS WIFEXITED WIFSIGNALED WIFSTOPPED
370 WNOHANG WSTOPSIG WTERMSIG WUNTRACED)],
372 termios_h => [qw( B0 B110 B1200 B134 B150 B1800 B19200 B200 B2400
373 B300 B38400 B4800 B50 B600 B75 B9600 BRKINT CLOCAL
374 CREAD CS5 CS6 CS7 CS8 CSIZE CSTOPB ECHO ECHOE ECHOK
375 ECHONL HUPCL ICANON ICRNL IEXTEN IGNBRK IGNCR IGNPAR
376 INLCR INPCK ISIG ISTRIP IXOFF IXON NCCS NOFLSH OPOST
377 PARENB PARMRK PARODD TCIFLUSH TCIOFF TCIOFLUSH TCION
378 TCOFLUSH TCOOFF TCOON TCSADRAIN TCSAFLUSH TCSANOW
379 TOSTOP VEOF VEOL VERASE VINTR VKILL VMIN VQUIT VSTART
381 cfgetispeed cfgetospeed cfsetispeed cfsetospeed tcdrain
382 tcflow tcflush tcgetattr tcsendbreak tcsetattr )],
384 time_h => [qw(CLK_TCK CLOCKS_PER_SEC NULL asctime clock ctime
385 difftime mktime strftime tzset tzname)],
387 unistd_h => [qw(F_OK NULL R_OK SEEK_CUR SEEK_END SEEK_SET
388 STDERR_FILENO STDIN_FILENO STDOUT_FILENO W_OK X_OK
389 _PC_CHOWN_RESTRICTED _PC_LINK_MAX _PC_MAX_CANON
390 _PC_MAX_INPUT _PC_NAME_MAX _PC_NO_TRUNC _PC_PATH_MAX
391 _PC_PIPE_BUF _PC_VDISABLE _POSIX_CHOWN_RESTRICTED
392 _POSIX_JOB_CONTROL _POSIX_NO_TRUNC _POSIX_SAVED_IDS
393 _POSIX_VDISABLE _POSIX_VERSION _SC_ARG_MAX
394 _SC_CHILD_MAX _SC_CLK_TCK _SC_JOB_CONTROL
395 _SC_NGROUPS_MAX _SC_OPEN_MAX _SC_PAGESIZE _SC_SAVED_IDS
396 _SC_STREAM_MAX _SC_TZNAME_MAX _SC_VERSION
397 _exit access ctermid cuserid
398 dup2 dup execl execle execlp execv execve execvp
399 fpathconf fsync getcwd getegid geteuid getgid getgroups
400 getpid getuid isatty lseek pathconf pause setgid setpgid
401 setsid setuid sysconf tcgetpgrp tcsetpgrp ttyname)],
406 if ($^O eq 'MSWin32') {
407 $default_export_tags{winsock_h} = [qw(
408 WSAEINTR WSAEBADF WSAEACCES WSAEFAULT WSAEINVAL WSAEMFILE WSAEWOULDBLOCK
409 WSAEINPROGRESS WSAEALREADY WSAENOTSOCK WSAEDESTADDRREQ WSAEMSGSIZE
410 WSAEPROTOTYPE WSAENOPROTOOPT WSAEPROTONOSUPPORT WSAESOCKTNOSUPPORT
411 WSAEOPNOTSUPP WSAEPFNOSUPPORT WSAEAFNOSUPPORT WSAEADDRINUSE
412 WSAEADDRNOTAVAIL WSAENETDOWN WSAENETUNREACH WSAENETRESET WSAECONNABORTED
413 WSAECONNRESET WSAENOBUFS WSAEISCONN WSAENOTCONN WSAESHUTDOWN
414 WSAETOOMANYREFS WSAETIMEDOUT WSAECONNREFUSED WSAELOOP WSAENAMETOOLONG
415 WSAEHOSTDOWN WSAEHOSTUNREACH WSAENOTEMPTY WSAEPROCLIM WSAEUSERS
416 WSAEDQUOT WSAESTALE WSAEREMOTE WSAEDISCON WSAENOMORE WSAECANCELLED
417 WSAEINVALIDPROCTABLE WSAEINVALIDPROVIDER WSAEPROVIDERFAILEDINIT
421 my %other_export_tags = ( # cf. exports policy below
423 FE_DOWNWARD FE_TONEAREST FE_TOWARDZERO FE_UPWARD fegetround fesetround
426 math_h_c99 => [ @{$default_export_tags{math_h}}, qw(
427 Inf NaN acosh asinh atanh cbrt copysign erf erfc exp2 expm1 fdim fma
428 fmax fmin fpclassify hypot ilogb isfinite isgreater isgreaterequal
429 isinf isless islessequal islessgreater isnan isnormal isunordered j0 j1
430 jn lgamma log1p log2 logb lrint lround nan nearbyint nextafter nexttoward
431 remainder remquo rint round scalbn signbit tgamma trunc y0 y1 yn
434 netdb_h => [qw(EAI_AGAIN EAI_BADFLAGS EAI_FAIL
435 EAI_FAMILY EAI_MEMORY EAI_NONAME
436 EAI_OVERFLOW EAI_SERVICE EAI_SOCKTYPE
439 stdlib_h_c99 => [ @{$default_export_tags{stdlib_h}}, 'strtold' ],
441 sys_resource_h => [qw(PRIO_PROCESS PRIO_PGRP PRIO_USER)],
444 MSG_CTRUNC MSG_DONTROUTE MSG_EOR MSG_OOB MSG_PEEK MSG_TRUNC MSG_WAITALL
447 nan_payload => [ qw(getpayload setpayload setpayloadsig issignaling) ],
449 signal_h_si_code => [qw(
450 ILL_ILLOPC ILL_ILLOPN ILL_ILLADR ILL_ILLTRP ILL_PRVOPC ILL_PRVREG
451 ILL_COPROC ILL_BADSTK
452 FPE_INTDIV FPE_INTOVF FPE_FLTDIV FPE_FLTOVF FPE_FLTUND
453 FPE_FLTRES FPE_FLTINV FPE_FLTSUB
454 SEGV_MAPERR SEGV_ACCERR
455 BUS_ADRALN BUS_ADRERR BUS_OBJERR
456 TRAP_BRKPT TRAP_TRACE
457 CLD_EXITED CLD_KILLED CLD_DUMPED CLD_TRAPPED CLD_STOPPED CLD_CONTINUED
458 POLL_IN POLL_OUT POLL_MSG POLL_ERR POLL_PRI POLL_HUP
459 SI_USER SI_QUEUE SI_TIMER SI_ASYNCIO SI_MESGQ
464 # - new functions may not be added to @EXPORT, only to @EXPORT_OK
465 # - new SHOUTYCONSTANTS are OK to add to @EXPORT
468 # De-duplicate the export list:
469 my ( %export, %export_ok );
470 @export {map {@$_} values %default_export_tags} = ();
471 @export_ok{map {@$_} values %other_export_tags} = ();
472 # Doing the de-dup with a temporary hash has the advantage that the SVs in
473 # @EXPORT are actually shared hash key scalars, which will save some memory.
474 our @EXPORT = keys %export;
476 # you do not want to add symbols to the following list. add a new tag instead
477 our @EXPORT_OK = (qw(close lchown nice open pipe read sleep times write
479 grep {!exists $export{$_}} keys %reimpl, keys %replacement, keys %export_ok);
481 our %EXPORT_TAGS = ( %default_export_tags, %other_export_tags );
487 package POSIX::SigAction;
489 sub new { bless {HANDLER => $_[1], MASK => $_[2], FLAGS => $_[3] || 0, SAFE => 0}, $_[0] }
490 sub handler { $_[0]->{HANDLER} = $_[1] if @_ > 1; $_[0]->{HANDLER} };
491 sub mask { $_[0]->{MASK} = $_[1] if @_ > 1; $_[0]->{MASK} };
492 sub flags { $_[0]->{FLAGS} = $_[1] if @_ > 1; $_[0]->{FLAGS} };
493 sub safe { $_[0]->{SAFE} = $_[1] if @_ > 1; $_[0]->{SAFE} };
496 package POSIX::SigSet;
497 # This package is here entirely to make sure that POSIX::SigSet is seen by the
498 # PAUSE indexer, so that it will always be clearly indexed in core. This is to
499 # prevent the accidental case where a third-party distribution can accidentally
500 # claim the POSIX::SigSet package, as occurred in 2011-12. -- rjbs, 2011-12-30
503 package POSIX::SigRt;
507 our @ISA = 'Tie::StdHash';
509 our ($_SIGRTMIN, $_SIGRTMAX, $_sigrtn);
511 our $SIGACTION_FLAGS = 0;
514 $_SIGRTMIN = &POSIX::SIGRTMIN;
515 $_SIGRTMAX = &POSIX::SIGRTMAX;
516 $_sigrtn = $_SIGRTMAX - $_SIGRTMIN;
520 &_init unless defined $_sigrtn;
521 die "POSIX::SigRt not available" unless defined $_sigrtn && $_sigrtn > 0;
527 # Allow (SIGRT)?MIN( + n)?, a common idiom when doing these things in C.
528 $rtsig = $_SIGRTMIN + ($1 || 0)
529 if $rtsig =~ /^(?:(?:SIG)?RT)?MIN(\s*\+\s*(\d+))?$/;
534 my $rtsig = _getsig($_[1]);
535 my $ok = $rtsig >= $_SIGRTMIN && $rtsig <= $_SIGRTMAX;
540 my ($rtsig, $ok) = &_exist;
541 die "No POSIX::SigRt signal $_[1] (valid range SIGRTMIN..SIGRTMAX, or $_SIGRTMIN..$_SIGRTMAX)"
547 my ($rtsig, $handler, $flags) = @_;
548 my $sigset = POSIX::SigSet->new($rtsig);
549 my $sigact = POSIX::SigAction->new($handler, $sigset, $flags);
550 POSIX::sigaction($rtsig, $sigact);
553 sub EXISTS { &_exist }
554 sub FETCH { my $rtsig = &_check;
555 my $oa = POSIX::SigAction->new();
556 POSIX::sigaction($rtsig, undef, $oa);
557 return $oa->{HANDLER} }
558 sub STORE { my $rtsig = &_check; new($rtsig, $_[2], $SIGACTION_FLAGS) }
559 sub DELETE { delete $SIG{ &_check } }
560 sub CLEAR { &_exist; delete @SIG{ &POSIX::SIGRTMIN .. &POSIX::SIGRTMAX } }
561 sub SCALAR { &_croak; $_sigrtn + 1 }
563 tie %POSIX::SIGRT, 'POSIX::SigRt';
564 # and the expression on the line above is true, so we return true.