use strict;
use warnings;
-our(@ISA, %EXPORT_TAGS, @EXPORT_OK, @EXPORT, $AUTOLOAD, %SIGRT) = ();
+our ($AUTOLOAD, %SIGRT);
our $VERSION = '1.25';
-use AutoLoader;
-
require XSLoader;
use Fcntl qw(FD_CLOEXEC F_DUPFD F_GETFD F_GETFL F_GETLK F_RDLCK F_SETFD
}
sub croak { require Carp; goto &Carp::croak }
-# declare usage to assist AutoLoad
-sub usage;
+sub usage { croak "Usage: POSIX::$_[0]" }
XSLoader::load();
vsprintf => undef,
);
-eval "sub $_;" for keys %replacement;
+my %reimpl = (
+ assert => 'expr => croak "Assertion failed" if !$_[0]',
+ tolower => 'string => lc($_[0])',
+ toupper => 'string => uc($_[0])',
+ closedir => 'dirhandle => CORE::closedir($_[0])',
+ opendir => 'directory => my $dh; CORE::opendir($dh, $_[0]) ? $dh : undef',
+ readdir => 'dirhandle => CORE::readdir($_[0])',
+ rewinddir => 'dirhandle => CORE::rewinddir($_[0])',
+ errno => '$! + 0',
+ creat => 'filename, mode => &open($_[0], &O_WRONLY | &O_CREAT | &O_TRUNC, $_[1])',
+ fcntl => 'filehandle, cmd, arg => CORE::fcntl($_[0], $_[1], $_[2])',
+ getgrgid => 'gid => CORE::getgrgid($_[0])',
+ getgrnam => 'name => CORE::getgrnam($_[0])',
+ atan2 => 'x, y => CORE::atan2($_[0], $_[1])',
+ cos => 'x => CORE::cos($_[0])',
+ exp => 'x => CORE::exp($_[0])',
+ fabs => 'x => CORE::abs($_[0])',
+ log => 'x => CORE::log($_[0])',
+ pow => 'x, exponent => $_[0] ** $_[1]',
+ sin => 'x => CORE::sin($_[0])',
+ sqrt => 'x => CORE::sqrt($_[0])',
+ getpwnam => 'name => CORE::getpwnam($_[0])',
+ getpwuid => 'uid => CORE::getpwuid($_[0])',
+ kill => 'pid, sig => CORE::kill $_[1], $_[0]',
+ raise => 'sig => CORE::kill $_[0], $$; # Is this good enough',
+ getc => 'handle => CORE::getc($_[0])',
+ getchar => 'CORE::getc(STDIN)',
+ gets => 'scalar <STDIN>',
+ remove => 'filename => (-d $_[0]) ? CORE::rmdir($_[0]) : CORE::unlink($_[0])',
+ rename => 'oldfilename, newfilename => CORE::rename($_[0], $_[1])',
+ rewind => 'filehandle => CORE::seek($_[0],0,0)',
+ abs => 'x => CORE::abs($_[0])',
+ exit => 'status => CORE::exit($_[0])',
+ getenv => 'name => $ENV{$_[0]}',
+ system => 'command => CORE::system($_[0])',
+ strerror => 'errno => local $! = $_[0]; "$!"',
+ strstr => 'big, little => CORE::index($_[0], $_[1])',
+ chmod => 'mode, filename => CORE::chmod($_[0], $_[1])',
+ fstat => 'fd => CORE::open my $dup, "<&", $_[0]; CORE::stat($dup)', # Gross.
+ mkdir => 'directoryname, mode => CORE::mkdir($_[0], $_[1])',
+ stat => 'filename => CORE::stat($_[0])',
+ umask => 'mask => CORE::umask($_[0])',
+ wait => 'CORE::wait()',
+ waitpid => 'pid, options => CORE::waitpid($_[0], $_[1])',
+ gmtime => 'time => CORE::gmtime($_[0])',
+ localtime => 'time => CORE::localtime($_[0])',
+ time => 'CORE::time',
+ alarm => 'seconds => CORE::alarm($_[0])',
+ chdir => 'directory => CORE::chdir($_[0])',
+ chown => 'uid, gid, filename => CORE::chown($_[0], $_[1], $_[2])',
+ fork => 'CORE::fork',
+ getegid => '$) + 0',
+ geteuid => '$> + 0',
+ getgid => '$( + 0',
+ getgroups => 'my %seen; grep !$seen{$_}++, split " ", $)',
+ getlogin => 'CORE::getlogin()',
+ getpgrp => 'CORE::getpgrp',
+ getpid => '$$',
+ getppid => 'CORE::getppid',
+ getuid => '$<',
+ isatty => 'filehandle => -t $_[0]',
+ link => 'oldfilename, newfilename => CORE::link($_[0], $_[1])',
+ rmdir => 'directoryname => CORE::rmdir($_[0])',
+ sleep => 'seconds => $_[0] - CORE::sleep($_[0])',
+ unlink => 'filename => CORE::unlink($_[0])',
+ utime => 'filename, atime, mtime => CORE::utime($_[1], $_[2], $_[0])',
+);
-sub AUTOLOAD {
- no warnings 'uninitialized';
+eval join ';', map "sub $_", keys %replacement, keys %reimpl;
+sub AUTOLOAD {
my ($func) = ($AUTOLOAD =~ /.*::(.*)/);
+ if (my $code = delete $reimpl{$func}) {
+ my ($num, $arg) = (0, '');
+ if ($code =~ s/^(.*?) *=> *//) {
+ $arg = $1;
+ $num = 1 + $arg =~ tr/,//;
+ }
+ # no warnings to be consistent with the old implementation, where each
+ # function was in its own little AutoSplit world:
+ eval qq{ sub $func {
+ no warnings;
+ usage "$func($arg)" if \@_ != $num;
+ $code
+ } };
+ no strict;
+ goto &$AUTOLOAD;
+ }
if (exists $replacement{$func}) {
my $how = $replacement{$func};
croak "Unimplemented: POSIX::$func() is C-specific, stopped"
croak "Unimplemented: POSIX::$func() is C-specific, use $how instead";
}
- if ($func =~ /^_?[a-z]/) {
- $AutoLoader::AUTOLOAD = $AUTOLOAD;
- goto &AutoLoader::AUTOLOAD
- }
-
constant($func);
}
-package POSIX::SigAction;
-
-use AutoLoader 'AUTOLOAD';
-
-package POSIX::SigRt;
-
-use AutoLoader 'AUTOLOAD';
-
-use Tie::Hash;
-
-our @ISA = qw(Tie::StdHash);
-
-our ($_SIGRTMIN, $_SIGRTMAX, $_sigrtn);
-
-our $SIGACTION_FLAGS = 0;
-
-tie %POSIX::SIGRT, 'POSIX::SigRt';
-
-sub DESTROY {};
-
-package POSIX;
-
-1;
-__END__
-
-sub usage {
- my ($mess) = @_;
- croak "Usage: POSIX::$mess";
-}
-
-sub assert {
- usage "assert(expr)" if @_ != 1;
- if (!$_[0]) {
- croak "Assertion failed";
- }
-}
-
-sub tolower {
- usage "tolower(string)" if @_ != 1;
- lc($_[0]);
-}
-
-sub toupper {
- usage "toupper(string)" if @_ != 1;
- uc($_[0]);
-}
-
-sub closedir {
- usage "closedir(dirhandle)" if @_ != 1;
- CORE::closedir($_[0]);
-}
-
-sub opendir {
- usage "opendir(directory)" if @_ != 1;
- my $dirhandle;
- CORE::opendir($dirhandle, $_[0])
- ? $dirhandle
- : undef;
-}
-
-sub readdir {
- usage "readdir(dirhandle)" if @_ != 1;
- CORE::readdir($_[0]);
-}
-
-sub rewinddir {
- usage "rewinddir(dirhandle)" if @_ != 1;
- CORE::rewinddir($_[0]);
-}
-
-sub errno {
- usage "errno()" if @_ != 0;
- $! + 0;
-}
-
-sub creat {
- usage "creat(filename, mode)" if @_ != 2;
- &open($_[0], &O_WRONLY | &O_CREAT | &O_TRUNC, $_[1]);
-}
-
-sub fcntl {
- usage "fcntl(filehandle, cmd, arg)" if @_ != 3;
- CORE::fcntl($_[0], $_[1], $_[2]);
-}
-
-sub getgrgid {
- usage "getgrgid(gid)" if @_ != 1;
- CORE::getgrgid($_[0]);
-}
-
-sub getgrnam {
- usage "getgrnam(name)" if @_ != 1;
- CORE::getgrnam($_[0]);
-}
-
-sub atan2 {
- usage "atan2(x, y)" if @_ != 2;
- CORE::atan2($_[0], $_[1]);
-}
-
-sub cos {
- usage "cos(x)" if @_ != 1;
- CORE::cos($_[0]);
-}
-
-sub exp {
- usage "exp(x)" if @_ != 1;
- CORE::exp($_[0]);
-}
-
-sub fabs {
- usage "fabs(x)" if @_ != 1;
- CORE::abs($_[0]);
-}
-
-sub log {
- usage "log(x)" if @_ != 1;
- CORE::log($_[0]);
-}
-
-sub pow {
- usage "pow(x, exponent)" if @_ != 2;
- $_[0] ** $_[1];
-}
-
-sub sin {
- usage "sin(x)" if @_ != 1;
- CORE::sin($_[0]);
-}
-
-sub sqrt {
- usage "sqrt(x)" if @_ != 1;
- CORE::sqrt($_[0]);
-}
-
-sub getpwnam {
- usage "getpwnam(name)" if @_ != 1;
- CORE::getpwnam($_[0]);
-}
-
-sub getpwuid {
- usage "getpwuid(uid)" if @_ != 1;
- CORE::getpwuid($_[0]);
-}
-
-sub kill {
- usage "kill(pid, sig)" if @_ != 2;
- CORE::kill $_[1], $_[0];
-}
-
-sub raise {
- usage "raise(sig)" if @_ != 1;
- CORE::kill $_[0], $$; # Is this good enough?
-}
-
-sub getc {
- usage "getc(handle)" if @_ != 1;
- CORE::getc($_[0]);
-}
-
-sub getchar {
- usage "getchar()" if @_ != 0;
- CORE::getc(STDIN);
-}
-
-sub gets {
- usage "gets()" if @_ != 0;
- scalar <STDIN>;
-}
-
sub perror {
print STDERR "@_: " if @_;
print STDERR $!,"\n";
CORE::printf STDOUT @_;
}
-sub remove {
- usage "remove(filename)" if @_ != 1;
- (-d $_[0]) ? CORE::rmdir($_[0]) : CORE::unlink($_[0]);
-}
-
-sub rename {
- usage "rename(oldfilename, newfilename)" if @_ != 2;
- CORE::rename($_[0], $_[1]);
-}
-
-sub rewind {
- usage "rewind(filehandle)" if @_ != 1;
- CORE::seek($_[0],0,0);
-}
-
sub sprintf {
usage "sprintf(pattern, args...)" if @_ == 0;
CORE::sprintf(shift,@_);
}
-sub abs {
- usage "abs(x)" if @_ != 1;
- CORE::abs($_[0]);
-}
-
-sub exit {
- usage "exit(status)" if @_ != 1;
- CORE::exit($_[0]);
-}
-
-sub getenv {
- usage "getenv(name)" if @_ != 1;
- $ENV{$_[0]};
-}
-
-sub system {
- usage "system(command)" if @_ != 1;
- CORE::system($_[0]);
-}
-
-sub strerror {
- usage "strerror(errno)" if @_ != 1;
- local $! = $_[0];
- $! . "";
-}
-
-sub strstr {
- usage "strstr(big, little)" if @_ != 2;
- CORE::index($_[0], $_[1]);
-}
-
-sub chmod {
- usage "chmod(mode, filename)" if @_ != 2;
- CORE::chmod($_[0], $_[1]);
-}
-
-sub fstat {
- usage "fstat(fd)" if @_ != 1;
- local *TMP;
- CORE::open(TMP, "<&$_[0]"); # Gross.
- my @l = CORE::stat(TMP);
- CORE::close(TMP);
- @l;
-}
-
-sub mkdir {
- usage "mkdir(directoryname, mode)" if @_ != 2;
- CORE::mkdir($_[0], $_[1]);
-}
-
-sub stat {
- usage "stat(filename)" if @_ != 1;
- CORE::stat($_[0]);
-}
-
-sub umask {
- usage "umask(mask)" if @_ != 1;
- CORE::umask($_[0]);
-}
-
-sub wait {
- usage "wait()" if @_ != 0;
- CORE::wait();
-}
-
-sub waitpid {
- usage "waitpid(pid, options)" if @_ != 2;
- CORE::waitpid($_[0], $_[1]);
-}
-
-sub gmtime {
- usage "gmtime(time)" if @_ != 1;
- CORE::gmtime($_[0]);
-}
-
-sub localtime {
- usage "localtime(time)" if @_ != 1;
- CORE::localtime($_[0]);
-}
-
-sub time {
- usage "time()" if @_ != 0;
- CORE::time;
-}
-
-sub alarm {
- usage "alarm(seconds)" if @_ != 1;
- CORE::alarm($_[0]);
-}
-
-sub chdir {
- usage "chdir(directory)" if @_ != 1;
- CORE::chdir($_[0]);
-}
-
-sub chown {
- usage "chown(uid, gid, filename)" if @_ != 3;
- CORE::chown($_[0], $_[1], $_[2]);
-}
-
-sub fork {
- usage "fork()" if @_ != 0;
- CORE::fork;
-}
-
-sub getegid {
- usage "getegid()" if @_ != 0;
- $) + 0;
-}
-
-sub geteuid {
- usage "geteuid()" if @_ != 0;
- $> + 0;
-}
-
-sub getgid {
- usage "getgid()" if @_ != 0;
- $( + 0;
-}
-
-sub getgroups {
- usage "getgroups()" if @_ != 0;
- my %seen;
- grep(!$seen{$_}++, split(' ', $) ));
-}
-
-sub getlogin {
- usage "getlogin()" if @_ != 0;
- CORE::getlogin();
-}
-
-sub getpgrp {
- usage "getpgrp()" if @_ != 0;
- CORE::getpgrp;
-}
-
-sub getpid {
- usage "getpid()" if @_ != 0;
- $$;
-}
-
-sub getppid {
- usage "getppid()" if @_ != 0;
- CORE::getppid;
-}
-
-sub getuid {
- usage "getuid()" if @_ != 0;
- $<;
-}
-
-sub isatty {
- usage "isatty(filehandle)" if @_ != 1;
- -t $_[0];
-}
-
-sub link {
- usage "link(oldfilename, newfilename)" if @_ != 2;
- CORE::link($_[0], $_[1]);
-}
-
-sub rmdir {
- usage "rmdir(directoryname)" if @_ != 1;
- CORE::rmdir($_[0]);
-}
-
-sub sleep {
- usage "sleep(seconds)" if @_ != 1;
- $_[0] - CORE::sleep($_[0]);
-}
-
-sub unlink {
- usage "unlink(filename)" if @_ != 1;
- CORE::unlink($_[0]);
-}
-
-sub utime {
- usage "utime(filename, atime, mtime)" if @_ != 3;
- CORE::utime($_[1], $_[2], $_[0]);
-}
-
sub load_imports {
our %EXPORT_TAGS = (
package POSIX::SigRt;
+require Tie::Hash;
+
+our @ISA = 'Tie::StdHash';
+
+our ($_SIGRTMIN, $_SIGRTMAX, $_sigrtn);
+
+our $SIGACTION_FLAGS = 0;
+
sub _init {
$_SIGRTMIN = &POSIX::SIGRTMIN;
$_SIGRTMAX = &POSIX::SIGRTMAX;
sub DELETE { delete $SIG{ &_check } }
sub CLEAR { &_exist; delete @SIG{ &POSIX::SIGRTMIN .. &POSIX::SIGRTMAX } }
sub SCALAR { &_croak; $_sigrtn + 1 }
+
+tie %POSIX::SIGRT, 'POSIX::SigRt';
+# and the expression on the line above is true, so we return true.