X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/5a4e8ea75d635fdfae035d8d1954c3aca4bef057..81fd35db2f3e55eb0649bd9c451c2ba5dc0673b6:/pod/perlfunc.pod?ds=sidebyside diff --git a/pod/perlfunc.pod b/pod/perlfunc.pod index 1004837..e98e3f4 100644 --- a/pod/perlfunc.pod +++ b/pod/perlfunc.pod @@ -2582,8 +2582,8 @@ If SIGNAL is zero, no signal is sent to the process, but the kill(2) system call will check whether it's possible to send a signal to it (that means, to be brief, that the process is owned by the same user, or we are the super-user). This is a useful way to check that a child process is -alive and hasn't changed its UID. See L for notes on the -portability of this construct. +alive (even if only as a zombie) and hasn't changed its UID. See +L for notes on the portability of this construct. Unlike in the shell, if SIGNAL is negative, it kills process groups instead of processes. (On System V, a negative I