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Diffstat (limited to 'pod/perlfunc.pod')
| -rw-r--r-- | pod/perlfunc.pod | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/pod/perlfunc.pod b/pod/perlfunc.pod index 58c3e7199c..e72624faa0 100644 --- a/pod/perlfunc.pod +++ b/pod/perlfunc.pod @@ -4432,7 +4432,8 @@ If you know the exact length in bits, it can be used in place of the C<*>. Waits for a child process to terminate and returns the pid of the deceased process, or C<-1> if there are no child processes. The status is -returned in C<$?>. +returned in C<$?>. Note that a return value of C<-1> could mean that +child processes are being automatically reaped, as described in L<perlipc>. =item waitpid PID,FLAGS @@ -4451,7 +4452,8 @@ FLAGS of C<0> is implemented everywhere. (Perl emulates the system call by remembering the status values of processes that have exited but have not been harvested by the Perl script yet.) -See L<perlipc> for other examples. +Note that a return value of C<-1> could mean that child processes are being +automatically reaped. See L<perlipc> for details, and for other examples. =item wantarray |