Bug #69963 [Fbk->Asn]: fgets reads EOF if there is nothing on the PIPE to read for a short period

From: Date: Thu, 02 Jul 2015 20:21:10 +0000
Subject: Bug #69963 [Fbk->Asn]: fgets reads EOF if there is nothing on the PIPE to read for a short period
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=69963&edit=1

 ID:                 69963
 User updated by:    poonam dot chawla at mathworks dot com
 Reported by:        poonam dot chawla at mathworks dot com
 Summary:            fgets reads EOF if there is nothing on the PIPE to
                     read for a short period
-Status:             Feedback
+Status:             Assigned
 Type:               Bug
 Package:            Streams related
 Operating System:   Windows
 PHP Version:        5.6.10
 Assigned To:        ab
 Block user comment: N
 Private report:     N

 New Comment:

Thank you so much. I will try the patch and update this bug report.

Poonam


Previous Comments:
------------------------------------------------------------------------
[2015-07-02 20:19:46] ab@php.net

@poonam, this patch has landed in master, if you haven't tested yet, please take the latest
master snapshot http://windows.php.net/downloads/snaps/master/

Thanks.

------------------------------------------------------------------------
[2015-07-01 14:58:24] ab@php.net

Hi,

could you please check the build http://windows.php.net/downloads/snaps/ostc/69900/
which is linked in this mail http://news.php.net/php.internals/86976 ? Please
be aware that you'll need add a stream context. The patch is unlikely to appear in PHP5, but in
PHP7.

Though be aware that forcing blocking reads on pipes, you're putting yourself under the risk to
experience dead locks, see #64438. When used carefully, it still can work and be useful.

Thanks.

------------------------------------------------------------------------
[2015-06-30 13:27:18] poonam dot chawla at mathworks dot com

My apologies. That is correct.

------------------------------------------------------------------------
[2015-06-30 11:30:05] ab@php.net

@poonam, you obviously meant feof, not fgets?

Thanks.

------------------------------------------------------------------------
[2015-06-29 21:17:42] poonam dot chawla at mathworks dot com

Hi,

Thanks for an early response. It is a WINDOWS ONLY issue but unfortunately not the same one.

69900 : The issue/bug is that for every fgets call process hangs for 100ms.
However, in the issue I am experiencing there is no delay/hang on fgets.

Thanks,
Poonam

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