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| author | Gurusamy Sarathy <gsar@cpan.org> | 1998-05-14 23:11:05 +0000 |
|---|---|---|
| committer | Gurusamy Sarathy <gsar@cpan.org> | 1998-05-14 23:11:05 +0000 |
| commit | 7b8d334a971230040a212bc5038097b3f600a094 (patch) | |
| tree | e0fd6231e06e9b8f7e54aae4cec4ead51585219a /pod/perlvar.pod | |
| parent | 6ee623d521a149edc6574c512fa951a192cd086a (diff) | |
| download | perl-7b8d334a971230040a212bc5038097b3f600a094.tar.gz | |
[win32] merge change#897 from maintbranch
p4raw-link: @897 on //depot/maint-5.004/perl: f06f9b6fc5a686f0169ee2a91b32d5e7125a44ae
p4raw-id: //depot/win32/perl@974
Diffstat (limited to 'pod/perlvar.pod')
| -rw-r--r-- | pod/perlvar.pod | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/pod/perlvar.pod b/pod/perlvar.pod index 36b4ec47b6..2cb95afe05 100644 --- a/pod/perlvar.pod +++ b/pod/perlvar.pod @@ -413,6 +413,9 @@ C<$? & 255> gives which signal, if any, the process died from, and whether there was a core dump. (Mnemonic: similar to B<sh> and B<ksh>.) +Additionally, if the C<h_errno> variable is supported in C, its value +is returned via $? if any of the C<gethost*()> functions fail. + Note that if you have installed a signal handler for C<SIGCHLD>, the value of C<$?> will usually be wrong outside that handler. @@ -821,7 +824,7 @@ The C<__DIE__> handler is explicitly disabled during the call, so that you can die from a C<__DIE__> handler. Similarly for C<__WARN__>. Note that the C<$SIG{__DIE__}> hook is called even inside eval()ed -blocks/strings. See L<perlfunc/die>, L<perlvar/$^S> for how to +blocks/strings. See L<perlfunc/die> and L<perlvar/$^S> for how to circumvent this. Note that C<__DIE__>/C<__WARN__> handlers are very special in one |