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| author | Father Chrysostomos <sprout@cpan.org> | 2011-06-17 13:29:04 -0700 |
|---|---|---|
| committer | Father Chrysostomos <sprout@cpan.org> | 2011-06-17 13:32:58 -0700 |
| commit | 4a904372e4d28940f0bcc3b8501925d58b3f0e68 (patch) | |
| tree | 61615a52d9e4f65843b6a0f8f415c76b247d9f69 /pod/perlvar.pod | |
| parent | 65613fc23b9817bb12168505453c08d1b6b1baf2 (diff) | |
| download | perl-4a904372e4d28940f0bcc3b8501925d58b3f0e68.tar.gz | |
Doc update for changes in 5.15.0 + tweaks
Diffstat (limited to 'pod/perlvar.pod')
| -rw-r--r-- | pod/perlvar.pod | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/pod/perlvar.pod b/pod/perlvar.pod index ccc4196bfa..890909d526 100644 --- a/pod/perlvar.pod +++ b/pod/perlvar.pod @@ -185,8 +185,9 @@ Mnemonic: works in double-quoted context. =item $$ X<$$> X<$PID> X<$PROCESS_ID> -The process number of the Perl running this script. You should -consider this variable read-only, although it will be altered +The process number of the Perl running this script. Though you I<can> set +this variable, doing so is generally discouraged, although it can be +invaluable for some testing purposes. It will be reset automatically across C<fork()> calls. Note for Linux users: on Linux, the C functions C<getpid()> and |