ID:               37574
 Comment by:       milegend at hotmail dot com
 Reported By:      dr at sweety dot li
 Status:           Open
 Bug Type:         Documentation problem
 Operating System: Win NT
 PHP Version:      Irrelevant
 New Comment:

I think someone should take a look at this bug. It has been around for
too long. It has been reported before at:
http://bugs.php.net/bug.php?id=22526. If it isn't a bug it should be
mentioned on the manual page.

Thanks


Previous Comments:
------------------------------------------------------------------------

[2006-05-24 07:08:15] dr at sweety dot li

Description:
------------
I'm referring to the "bug" descriped here :
http://bugs.php.net/bug.php?id=10675&edit=1 . I would recommend that
you add a warning on the "Program Execution Functions" documentation
page which basically advises the programmer to close any open session
before calling exec() or other related functions as otherwise the PHP
script may hang!

Reproduce code:
---------------
session_start();
exec('ls');

// Save this, open the page in a browser and reload repeatedly. After
several successful reloads, the page will just hang

Expected result:
----------------
nothing, the correct code seems to be:

session_start();
/*
.... code ...
*/
session_write_close();
exec('ls');
@session_start();

// There's no locking in this code



------------------------------------------------------------------------


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