5 our(@ISA, %EXPORT_TAGS, @EXPORT_OK, @EXPORT, $AUTOLOAD, %SIGRT) = ();
13 use Fcntl qw(FD_CLOEXEC F_DUPFD F_GETFD F_GETFL F_GETLK F_RDLCK F_SETFD
14 F_SETFL F_SETLK F_SETLKW F_UNLCK F_WRLCK O_ACCMODE O_APPEND
15 O_CREAT O_EXCL O_NOCTTY O_NONBLOCK O_RDONLY O_RDWR O_TRUNC
16 O_WRONLY SEEK_CUR SEEK_END SEEK_SET
17 S_ISBLK S_ISCHR S_ISDIR S_ISFIFO S_ISREG
18 S_IRGRP S_IROTH S_IRUSR S_IRWXG S_IRWXO S_IRWXU S_ISGID S_ISUID
19 S_IWGRP S_IWOTH S_IWUSR S_IXGRP S_IXOTH S_IXUSR);
21 # Grandfather old foo_h form to new :foo_h form
25 load_imports() unless $loaded++;
27 my @list = map { m/^\w+_h$/ ? ":$_" : $_ } @_;
28 local $Exporter::ExportLevel = 1;
29 Exporter::import($this,@list);
32 sub croak { require Carp; goto &Carp::croak }
33 # declare usage to assist AutoLoad
36 XSLoader::load 'POSIX', $VERSION;
40 no warnings 'uninitialized';
41 if ($AUTOLOAD =~ /::(_?[a-z])/) {
43 $AutoLoader::AUTOLOAD = $AUTOLOAD;
44 goto &AutoLoader::AUTOLOAD
47 my $constname = $AUTOLOAD;
48 $constname =~ s/.*:://;
49 my ($error, $val) = constant($constname);
50 croak $error if $error;
51 *$AUTOLOAD = sub { $val };
56 package POSIX::SigAction;
58 use AutoLoader 'AUTOLOAD';
62 use AutoLoader 'AUTOLOAD';
66 use vars qw($SIGACTION_FLAGS $_SIGRTMIN $_SIGRTMAX $_sigrtn @ISA);
67 @POSIX::SigRt::ISA = qw(Tie::StdHash);
71 tie %POSIX::SIGRT, 'POSIX::SigRt';
82 croak "Usage: POSIX::$mess";
87 croak "Use method $mess instead";
93 croak "Unimplemented: POSIX::$mess";
97 usage "assert(expr)" if @_ != 1;
99 croak "Assertion failed";
104 usage "tolower(string)" if @_ != 1;
109 usage "toupper(string)" if @_ != 1;
114 usage "closedir(dirhandle)" if @_ != 1;
115 CORE::closedir($_[0]);
119 usage "opendir(directory)" if @_ != 1;
121 CORE::opendir($dirhandle, $_[0])
127 usage "readdir(dirhandle)" if @_ != 1;
128 CORE::readdir($_[0]);
132 usage "rewinddir(dirhandle)" if @_ != 1;
133 CORE::rewinddir($_[0]);
137 usage "errno()" if @_ != 0;
142 usage "creat(filename, mode)" if @_ != 2;
143 &open($_[0], &O_WRONLY | &O_CREAT | &O_TRUNC, $_[1]);
147 usage "fcntl(filehandle, cmd, arg)" if @_ != 3;
148 CORE::fcntl($_[0], $_[1], $_[2]);
152 usage "getgrgid(gid)" if @_ != 1;
153 CORE::getgrgid($_[0]);
157 usage "getgrnam(name)" if @_ != 1;
158 CORE::getgrnam($_[0]);
162 usage "atan2(x,y)" if @_ != 2;
163 CORE::atan2($_[0], $_[1]);
167 usage "cos(x)" if @_ != 1;
172 usage "exp(x)" if @_ != 1;
177 usage "fabs(x)" if @_ != 1;
182 usage "log(x)" if @_ != 1;
187 usage "pow(x,exponent)" if @_ != 2;
192 usage "sin(x)" if @_ != 1;
197 usage "sqrt(x)" if @_ != 1;
202 usage "getpwnam(name)" if @_ != 1;
203 CORE::getpwnam($_[0]);
207 usage "getpwuid(uid)" if @_ != 1;
208 CORE::getpwuid($_[0]);
212 unimpl "longjmp() is C-specific: use die instead";
216 unimpl "setjmp() is C-specific: use eval {} instead";
220 unimpl "siglongjmp() is C-specific: use die instead";
224 unimpl "sigsetjmp() is C-specific: use eval {} instead";
228 usage "kill(pid, sig)" if @_ != 2;
229 CORE::kill $_[1], $_[0];
233 usage "raise(sig)" if @_ != 1;
234 CORE::kill $_[0], $$; # Is this good enough?
238 unimpl "offsetof() is C-specific, stopped";
242 redef "IO::Handle::clearerr()";
246 redef "IO::Handle::close()";
250 redef "IO::Handle::new_from_fd()";
254 redef "IO::Handle::eof()";
258 redef "IO::Handle::getc()";
262 redef "IO::Handle::gets()";
266 redef "IO::Handle::fileno()";
270 redef "IO::File::open()";
274 unimpl "fprintf() is C-specific--use printf instead";
278 unimpl "fputc() is C-specific--use print instead";
282 unimpl "fputs() is C-specific--use print instead";
286 unimpl "fread() is C-specific--use read instead";
290 unimpl "freopen() is C-specific--use open instead";
294 unimpl "fscanf() is C-specific--use <> and regular expressions instead";
298 redef "IO::Seekable::seek()";
302 redef "IO::Handle::sync()";
306 redef "IO::Handle::error()";
310 redef "IO::Handle::flush()";
314 redef "IO::Seekable::getpos()";
318 redef "IO::Seekable::setpos()";
322 redef "IO::Seekable::tell()";
326 unimpl "fwrite() is C-specific--use print instead";
330 usage "getc(handle)" if @_ != 1;
335 usage "getchar()" if @_ != 0;
340 usage "gets()" if @_ != 0;
345 print STDERR "@_: " if @_;
346 print STDERR $!,"\n";
350 usage "printf(pattern, args...)" if @_ < 1;
351 CORE::printf STDOUT @_;
355 unimpl "putc() is C-specific--use print instead";
359 unimpl "putchar() is C-specific--use print instead";
363 unimpl "puts() is C-specific--use print instead";
367 usage "remove(filename)" if @_ != 1;
368 (-d $_[0]) ? CORE::rmdir($_[0]) : CORE::unlink($_[0]);
372 usage "rename(oldfilename, newfilename)" if @_ != 2;
373 CORE::rename($_[0], $_[1]);
377 usage "rewind(filehandle)" if @_ != 1;
378 CORE::seek($_[0],0,0);
382 unimpl "scanf() is C-specific--use <> and regular expressions instead";
386 usage "sprintf(pattern,args)" if @_ == 0;
387 CORE::sprintf(shift,@_);
391 unimpl "sscanf() is C-specific--use regular expressions instead";
395 redef "IO::File::new_tmpfile()";
399 redef "IO::Handle::ungetc()";
403 unimpl "vfprintf() is C-specific";
407 unimpl "vprintf() is C-specific";
411 unimpl "vsprintf() is C-specific";
415 usage "abs(x)" if @_ != 1;
420 unimpl "atexit() is C-specific: use END {} instead";
424 unimpl "atof() is C-specific, stopped";
428 unimpl "atoi() is C-specific, stopped";
432 unimpl "atol() is C-specific, stopped";
436 unimpl "bsearch() not supplied";
440 unimpl "calloc() is C-specific, stopped";
444 unimpl "div() is C-specific, use /, % and int instead";
448 usage "exit(status)" if @_ != 1;
453 unimpl "free() is C-specific, stopped";
457 usage "getenv(name)" if @_ != 1;
462 unimpl "labs() is C-specific, use abs instead";
466 unimpl "ldiv() is C-specific, use /, % and int instead";
470 unimpl "malloc() is C-specific, stopped";
474 unimpl "qsort() is C-specific, use sort instead";
478 unimpl "rand() is non-portable, use Perl's rand instead";
482 unimpl "realloc() is C-specific, stopped";
490 usage "system(command)" if @_ != 1;
495 unimpl "memchr() is C-specific, use index() instead";
499 unimpl "memcmp() is C-specific, use eq instead";
503 unimpl "memcpy() is C-specific, use = instead";
507 unimpl "memmove() is C-specific, use = instead";
511 unimpl "memset() is C-specific, use x instead";
515 unimpl "strcat() is C-specific, use .= instead";
519 unimpl "strchr() is C-specific, use index() instead";
523 unimpl "strcmp() is C-specific, use eq instead";
527 unimpl "strcpy() is C-specific, use = instead";
531 unimpl "strcspn() is C-specific, use regular expressions instead";
535 usage "strerror(errno)" if @_ != 1;
541 unimpl "strlen() is C-specific, use length instead";
545 unimpl "strncat() is C-specific, use .= instead";
549 unimpl "strncmp() is C-specific, use eq instead";
553 unimpl "strncpy() is C-specific, use = instead";
557 unimpl "strpbrk() is C-specific, stopped";
561 unimpl "strrchr() is C-specific, use rindex() instead";
565 unimpl "strspn() is C-specific, stopped";
569 usage "strstr(big, little)" if @_ != 2;
570 CORE::index($_[0], $_[1]);
574 unimpl "strtok() is C-specific, stopped";
578 usage "chmod(mode, filename)" if @_ != 2;
579 CORE::chmod($_[0], $_[1]);
583 usage "fstat(fd)" if @_ != 1;
585 CORE::open(TMP, "<&$_[0]"); # Gross.
586 my @l = CORE::stat(TMP);
592 usage "mkdir(directoryname, mode)" if @_ != 2;
593 CORE::mkdir($_[0], $_[1]);
597 usage "stat(filename)" if @_ != 1;
602 usage "umask(mask)" if @_ != 1;
607 usage "wait()" if @_ != 0;
612 usage "waitpid(pid, options)" if @_ != 2;
613 CORE::waitpid($_[0], $_[1]);
617 usage "gmtime(time)" if @_ != 1;
622 usage "localtime(time)" if @_ != 1;
623 CORE::localtime($_[0]);
627 usage "time()" if @_ != 0;
632 usage "alarm(seconds)" if @_ != 1;
637 usage "chdir(directory)" if @_ != 1;
642 usage "chown(uid, gid, filename)" if @_ != 3;
643 CORE::chown($_[0], $_[1], $_[2]);
647 unimpl "execl() is C-specific, stopped";
651 unimpl "execle() is C-specific, stopped";
655 unimpl "execlp() is C-specific, stopped";
659 unimpl "execv() is C-specific, stopped";
663 unimpl "execve() is C-specific, stopped";
667 unimpl "execvp() is C-specific, stopped";
671 usage "fork()" if @_ != 0;
676 usage "getegid()" if @_ != 0;
681 usage "geteuid()" if @_ != 0;
686 usage "getgid()" if @_ != 0;
691 usage "getgroups()" if @_ != 0;
693 grep(!$seen{$_}++, split(' ', $) ));
697 usage "getlogin()" if @_ != 0;
702 usage "getpgrp()" if @_ != 0;
707 usage "getpid()" if @_ != 0;
712 usage "getppid()" if @_ != 0;
717 usage "getuid()" if @_ != 0;
722 usage "isatty(filehandle)" if @_ != 1;
727 usage "link(oldfilename, newfilename)" if @_ != 2;
728 CORE::link($_[0], $_[1]);
732 usage "rmdir(directoryname)" if @_ != 1;
737 redef "IO::Handle::setbuf()";
741 redef "IO::Handle::setvbuf()";
745 usage "sleep(seconds)" if @_ != 1;
746 $_[0] - CORE::sleep($_[0]);
750 usage "unlink(filename)" if @_ != 1;
755 usage "utime(filename, atime, mtime)" if @_ != 3;
756 CORE::utime($_[1], $_[2], $_[0]);
762 assert_h => [qw(assert NDEBUG)],
764 ctype_h => [qw(isalnum isalpha iscntrl isdigit isgraph islower
765 isprint ispunct isspace isupper isxdigit tolower toupper)],
769 errno_h => [qw(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EAFNOSUPPORT
770 EAGAIN EALREADY EBADF EBUSY ECHILD ECONNABORTED
771 ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDOM EDQUOT
772 EEXIST EFAULT EFBIG EHOSTDOWN EHOSTUNREACH EINPROGRESS
773 EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK
774 EMSGSIZE ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH
775 ENFILE ENOBUFS ENODEV ENOENT ENOEXEC ENOLCK ENOMEM
776 ENOPROTOOPT ENOSPC ENOSYS ENOTBLK ENOTCONN ENOTDIR
777 ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM
778 EPFNOSUPPORT EPIPE EPROCLIM EPROTONOSUPPORT EPROTOTYPE
779 ERANGE EREMOTE ERESTART EROFS ESHUTDOWN ESOCKTNOSUPPORT
780 ESPIPE ESRCH ESTALE ETIMEDOUT ETOOMANYREFS ETXTBSY
781 EUSERS EWOULDBLOCK EXDEV errno)],
783 fcntl_h => [qw(FD_CLOEXEC F_DUPFD F_GETFD F_GETFL F_GETLK F_RDLCK
784 F_SETFD F_SETFL F_SETLK F_SETLKW F_UNLCK F_WRLCK
785 O_ACCMODE O_APPEND O_CREAT O_EXCL O_NOCTTY O_NONBLOCK
786 O_RDONLY O_RDWR O_TRUNC O_WRONLY
788 SEEK_CUR SEEK_END SEEK_SET
789 S_IRGRP S_IROTH S_IRUSR S_IRWXG S_IRWXO S_IRWXU
790 S_ISBLK S_ISCHR S_ISDIR S_ISFIFO S_ISGID S_ISREG S_ISUID
791 S_IWGRP S_IWOTH S_IWUSR)],
793 float_h => [qw(DBL_DIG DBL_EPSILON DBL_MANT_DIG
794 DBL_MAX DBL_MAX_10_EXP DBL_MAX_EXP
795 DBL_MIN DBL_MIN_10_EXP DBL_MIN_EXP
796 FLT_DIG FLT_EPSILON FLT_MANT_DIG
797 FLT_MAX FLT_MAX_10_EXP FLT_MAX_EXP
798 FLT_MIN FLT_MIN_10_EXP FLT_MIN_EXP
800 LDBL_DIG LDBL_EPSILON LDBL_MANT_DIG
801 LDBL_MAX LDBL_MAX_10_EXP LDBL_MAX_EXP
802 LDBL_MIN LDBL_MIN_10_EXP LDBL_MIN_EXP)],
806 limits_h => [qw( ARG_MAX CHAR_BIT CHAR_MAX CHAR_MIN CHILD_MAX
807 INT_MAX INT_MIN LINK_MAX LONG_MAX LONG_MIN MAX_CANON
808 MAX_INPUT MB_LEN_MAX NAME_MAX NGROUPS_MAX OPEN_MAX
809 PATH_MAX PIPE_BUF SCHAR_MAX SCHAR_MIN SHRT_MAX SHRT_MIN
810 SSIZE_MAX STREAM_MAX TZNAME_MAX UCHAR_MAX UINT_MAX
811 ULONG_MAX USHRT_MAX _POSIX_ARG_MAX _POSIX_CHILD_MAX
812 _POSIX_LINK_MAX _POSIX_MAX_CANON _POSIX_MAX_INPUT
813 _POSIX_NAME_MAX _POSIX_NGROUPS_MAX _POSIX_OPEN_MAX
814 _POSIX_PATH_MAX _POSIX_PIPE_BUF _POSIX_SSIZE_MAX
815 _POSIX_STREAM_MAX _POSIX_TZNAME_MAX)],
817 locale_h => [qw(LC_ALL LC_COLLATE LC_CTYPE LC_MESSAGES
818 LC_MONETARY LC_NUMERIC LC_TIME NULL
819 localeconv setlocale)],
821 math_h => [qw(HUGE_VAL acos asin atan ceil cosh fabs floor fmod
822 frexp ldexp log10 modf pow sinh tan tanh)],
826 setjmp_h => [qw(longjmp setjmp siglongjmp sigsetjmp)],
828 signal_h => [qw(SA_NOCLDSTOP SA_NOCLDWAIT SA_NODEFER SA_ONSTACK
829 SA_RESETHAND SA_RESTART SA_SIGINFO SIGABRT SIGALRM
830 SIGCHLD SIGCONT SIGFPE SIGHUP SIGILL SIGINT SIGKILL
831 SIGPIPE %SIGRT SIGRTMIN SIGRTMAX SIGQUIT SIGSEGV SIGSTOP
832 SIGTERM SIGTSTP SIGTTIN SIGTTOU SIGUSR1 SIGUSR2
833 SIG_BLOCK SIG_DFL SIG_ERR SIG_IGN SIG_SETMASK SIG_UNBLOCK
834 raise sigaction signal sigpending sigprocmask sigsuspend)],
838 stddef_h => [qw(NULL offsetof)],
840 stdio_h => [qw(BUFSIZ EOF FILENAME_MAX L_ctermid L_cuserid
841 L_tmpname NULL SEEK_CUR SEEK_END SEEK_SET
842 STREAM_MAX TMP_MAX stderr stdin stdout
843 clearerr fclose fdopen feof ferror fflush fgetc fgetpos
844 fgets fopen fprintf fputc fputs fread freopen
845 fscanf fseek fsetpos ftell fwrite getchar gets
846 perror putc putchar puts remove rewind
847 scanf setbuf setvbuf sscanf tmpfile tmpnam
848 ungetc vfprintf vprintf vsprintf)],
850 stdlib_h => [qw(EXIT_FAILURE EXIT_SUCCESS MB_CUR_MAX NULL RAND_MAX
851 abort atexit atof atoi atol bsearch calloc div
852 free getenv labs ldiv malloc mblen mbstowcs mbtowc
853 qsort realloc strtod strtol strtoul wcstombs wctomb)],
855 string_h => [qw(NULL memchr memcmp memcpy memmove memset strcat
856 strchr strcmp strcoll strcpy strcspn strerror strlen
857 strncat strncmp strncpy strpbrk strrchr strspn strstr
860 sys_stat_h => [qw(S_IRGRP S_IROTH S_IRUSR S_IRWXG S_IRWXO S_IRWXU
861 S_ISBLK S_ISCHR S_ISDIR S_ISFIFO S_ISGID S_ISREG
862 S_ISUID S_IWGRP S_IWOTH S_IWUSR S_IXGRP S_IXOTH S_IXUSR
869 sys_utsname_h => [qw(uname)],
871 sys_wait_h => [qw(WEXITSTATUS WIFEXITED WIFSIGNALED WIFSTOPPED
872 WNOHANG WSTOPSIG WTERMSIG WUNTRACED)],
874 termios_h => [qw( B0 B110 B1200 B134 B150 B1800 B19200 B200 B2400
875 B300 B38400 B4800 B50 B600 B75 B9600 BRKINT CLOCAL
876 CREAD CS5 CS6 CS7 CS8 CSIZE CSTOPB ECHO ECHOE ECHOK
877 ECHONL HUPCL ICANON ICRNL IEXTEN IGNBRK IGNCR IGNPAR
878 INLCR INPCK ISIG ISTRIP IXOFF IXON NCCS NOFLSH OPOST
879 PARENB PARMRK PARODD TCIFLUSH TCIOFF TCIOFLUSH TCION
880 TCOFLUSH TCOOFF TCOON TCSADRAIN TCSAFLUSH TCSANOW
881 TOSTOP VEOF VEOL VERASE VINTR VKILL VMIN VQUIT VSTART
883 cfgetispeed cfgetospeed cfsetispeed cfsetospeed tcdrain
884 tcflow tcflush tcgetattr tcsendbreak tcsetattr )],
886 time_h => [qw(CLK_TCK CLOCKS_PER_SEC NULL asctime clock ctime
887 difftime mktime strftime tzset tzname)],
889 unistd_h => [qw(F_OK NULL R_OK SEEK_CUR SEEK_END SEEK_SET
890 STDERR_FILENO STDIN_FILENO STDOUT_FILENO W_OK X_OK
891 _PC_CHOWN_RESTRICTED _PC_LINK_MAX _PC_MAX_CANON
892 _PC_MAX_INPUT _PC_NAME_MAX _PC_NO_TRUNC _PC_PATH_MAX
893 _PC_PIPE_BUF _PC_VDISABLE _POSIX_CHOWN_RESTRICTED
894 _POSIX_JOB_CONTROL _POSIX_NO_TRUNC _POSIX_SAVED_IDS
895 _POSIX_VDISABLE _POSIX_VERSION _SC_ARG_MAX
896 _SC_CHILD_MAX _SC_CLK_TCK _SC_JOB_CONTROL
897 _SC_NGROUPS_MAX _SC_OPEN_MAX _SC_PAGESIZE _SC_SAVED_IDS
898 _SC_STREAM_MAX _SC_TZNAME_MAX _SC_VERSION
899 _exit access ctermid cuserid
900 dup2 dup execl execle execlp execv execve execvp
901 fpathconf fsync getcwd getegid geteuid getgid getgroups
902 getpid getuid isatty lseek pathconf pause setgid setpgid
903 setsid setuid sysconf tcgetpgrp tcsetpgrp ttyname)],
909 # Exporter::export_tags();
911 # De-duplicate the export list:
913 @export{map {@$_} values %EXPORT_TAGS} = ();
914 # Doing the de-dup with a temporary hash has the advantage that the SVs in
915 # @EXPORT are actually shared hash key sacalars, which will save some memory.
916 push @EXPORT, keys %export;
981 package POSIX::SigAction;
983 sub new { bless {HANDLER => $_[1], MASK => $_[2], FLAGS => $_[3] || 0, SAFE => 0}, $_[0] }
984 sub handler { $_[0]->{HANDLER} = $_[1] if @_ > 1; $_[0]->{HANDLER} };
985 sub mask { $_[0]->{MASK} = $_[1] if @_ > 1; $_[0]->{MASK} };
986 sub flags { $_[0]->{FLAGS} = $_[1] if @_ > 1; $_[0]->{FLAGS} };
987 sub safe { $_[0]->{SAFE} = $_[1] if @_ > 1; $_[0]->{SAFE} };
989 package POSIX::SigRt;
993 $_SIGRTMIN = &POSIX::SIGRTMIN;
994 $_SIGRTMAX = &POSIX::SIGRTMAX;
995 $_sigrtn = $_SIGRTMAX - $_SIGRTMIN;
999 &_init unless defined $_sigrtn;
1000 die "POSIX::SigRt not available" unless defined $_sigrtn && $_sigrtn > 0;
1006 # Allow (SIGRT)?MIN( + n)?, a common idiom when doing these things in C.
1007 $rtsig = $_SIGRTMIN + ($1 || 0)
1008 if $rtsig =~ /^(?:(?:SIG)?RT)?MIN(\s*\+\s*(\d+))?$/;
1013 my $rtsig = _getsig($_[1]);
1014 my $ok = $rtsig >= $_SIGRTMIN && $rtsig <= $_SIGRTMAX;
1019 my ($rtsig, $ok) = &_exist;
1020 die "No POSIX::SigRt signal $_[1] (valid range SIGRTMIN..SIGRTMAX, or $_SIGRTMIN..$_SIGRTMAX)"
1026 my ($rtsig, $handler, $flags) = @_;
1027 my $sigset = POSIX::SigSet->new($rtsig);
1028 my $sigact = POSIX::SigAction->new($handler,
1031 POSIX::sigaction($rtsig, $sigact);
1034 sub EXISTS { &_exist }
1035 sub FETCH { my $rtsig = &_check;
1036 my $oa = POSIX::SigAction->new();
1037 POSIX::sigaction($rtsig, undef, $oa);
1038 return $oa->{HANDLER} }
1039 sub STORE { my $rtsig = &_check; new($rtsig, $_[2], $SIGACTION_FLAGS) }
1040 sub DELETE { delete $SIG{ &_check } }
1041 sub CLEAR { &_exist; delete @SIG{ &POSIX::SIGRTMIN .. &POSIX::SIGRTMAX } }
1042 sub SCALAR { &_croak; $_sigrtn + 1 }