note 99480 deleted from function.pcntl-fork by danbrown
| From: | danbrown@php.net | Date: | Thu, 19 Aug 2010 15:15:15 +0000 |
| Subject: | note 99480 deleted from function.pcntl-fork by danbrown | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-171855@lists.php.net to get a copy of this message | ||
Note Submitter: Anonymous
----
PLEASE DELETE MY PREVIOUS COMMENT
As suggested by some guy who's comment was for some reason deleted, lines
<?php
//Kill parent process now (self) to prevent zombie creation.
posix_kill(posix_getpid(), SIGTERM);
?>
Can be replaced with:
<?php
pcntl_signal(SIGCHLD, SIG_IGN);
?>
But latter can be platform-dependent (see http://en.wikipedia.org/wiki/SIGCHLD) and also it
can lead to the unexpected behavior in shell_exec, proc_open functions if you do not reinstall
SIGCHLD handler, because they handle SIGCHLD signal, so i advise to use former solution. Personally
i tested this solution on Linux 2.6.34-12 and FreeBSD 8.0 and it works perfectly.