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| author | Gisle Aas <gisle@aas.no> | 2005-05-18 01:35:47 -0700 |
|---|---|---|
| committer | Rafael Garcia-Suarez <rgarciasuarez@gmail.com> | 2005-05-18 16:08:30 +0000 |
| commit | e5218da503dbb4980410e0018f4cc5dcba3ea666 (patch) | |
| tree | 896f8cf586a22fa6f98384571dea2ba73b133df3 /pod/perlvar.pod | |
| parent | 6b09c1601036c61459334bdedef5d7e29e07fcaf (diff) | |
| download | perl-e5218da503dbb4980410e0018f4cc5dcba3ea666.tar.gz | |
Well defined $? and introduction of ${^CHILD_ERROR_NATIVE} [PATCH]
Message-ID: <lr8y2cim24.fsf_-_@caliper.activestate.com>
p4raw-id: //depot/perl@24501
Diffstat (limited to 'pod/perlvar.pod')
| -rw-r--r-- | pod/perlvar.pod | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/pod/perlvar.pod b/pod/perlvar.pod index 53fe6c92c8..a9bbdaea57 100644 --- a/pod/perlvar.pod +++ b/pod/perlvar.pod @@ -617,7 +617,7 @@ L<perlfunc/formline()>. The status returned by the last pipe close, backtick (C<``>) command, successful call to wait() or waitpid(), or from the system() operator. This is just the 16-bit status word returned by the -wait() system call (or else is made up to look like it). Thus, the +traditional Unix wait() system call (or else is made up to look like it). Thus, the exit value of the subprocess is really (C<<< $? >> 8 >>>), and C<$? & 127> gives which signal, if any, the process died from, and C<$? & 128> reports whether there was a core dump. (Mnemonic: @@ -643,6 +643,17 @@ status; see L<perlvms/$?> for details. Also see L<Error Indicators>. +=item ${^CHILD_ERROR_NATIVE} + +The native status returned by the last pipe close, backtick (C<``>) +command, successful call to wait() or waitpid(), or from the system() +operator. On POSIX-like systems this value can be decoded with the +WIFEXITED, WEXITSTATUS, WIFSIGNALED, WTERMSIG, WIFSTOPPED, WSTOPSIG +and WIFCONTINUED functions provided by the L<POSIX> module. + +Under VMS this reflects the actual VMS exit status; i.e. it is the same +as $? when the pragma C<use vmsish 'status'> is in effect. + =item ${^ENCODING} The I<object reference> to the Encode object that is used to convert |