Edit report at http://bugs.php.net/bug.php?id=39992&edit=1
ID: 39992
Comment by: mast at imast dot ru
Reported by: nlopess@php.net
Summary: proc_terminate() leaves children of child running
Status: Open
Type: Bug
Package: Program Execution
Operating System: linux
PHP Version: 6CVS-2006-12-30 (CVS)
New Comment:
Well I've also just found this problem.
I run sh script via proc_open and if this script runs child processes
that could
hang, they will not be killed if you run proc_terminate().
To fix it I use:
// As soon proc is started
$status = proc_get_status($proc);
posix_setpgid($status['pid'], $status['pid']);
// When I need to kill it
posix_kill(-$status['pid'], 9); // sends SIGKILL to all processes inside
group
proc_close($proc);
Why not to add this into proc_terminate() implementation?
Previous Comments:
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[2010-02-17 08:23:48] gryp at dakin dot be
We're having the same problem by starting java.
(the java process starts as root and forks itself to another userid)
the 'sh' gets killed but our java process keeps on running
------------------------------------------------------------------------
[2008-08-12 22:03:45] nlopess@php.net
Yes, I'm still able to reproduce it. In some systems you may need higher
proviledges in order to reproduce this bug.
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[2008-08-12 16:28:58] jani@php.net
Nuno, is this still valid bug? I can't reproduce it even with PHP
5.2.6..
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[2006-12-30 15:54:27] nlopess@php.net
Ah I forgot: removing the "2>&1" part everything works fine.
------------------------------------------------------------------------
[2006-12-30 15:52:20] nlopess@php.net
Description:
------------
With the short reproduce code below, PHP fork()s a new process (sh),
that itself forks a new one (php). proc_terminate() kill()s the sh
process, but the php one doesn't get killed.
I'm not really sure what is causing this problem, but it is breaking
run-tests.php on timeout.
Reproduce code:
---------------
<?php
$cmd='php -r "while(1){}" 2>&1';
$proc = proc_open($cmd, array(), $pipes);
var_dump(proc_terminate($proc));
?>
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Edit this bug report at http://bugs.php.net/bug.php?id=39992&edit=1