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Request #67990 Add optional nowait argument to sem_acquire
Submitted: 2014-09-10 05:27 UTC Modified: 2014-09-10 05:49 UTC
From: mbeccati@php.net Assigned: mbeccati (profile)
Status: Closed Package: Semaphore related
PHP Version: 5.6.1 OS: Anything but Windows
Private report: No CVE-ID: None
View Developer Edit
 [2014-09-10 05:27 UTC] mbeccati@php.net 
Description:
------------
Historically sem_acquire blocks the caller until the semaphore is acquired. The new option will allow the function to return immediately in case the semaphore is not available.

Bug #39168 suggests adding a timeout, but the underlying semop() function doesn't allow that. Some OSes (Linux, Solaris) have semtimedop(), but given it's not universally supported, I left it out.

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 [2014-09-10 05:49 UTC] mbeccati@php.net
-Status: Open +Status: Closed -PHP Version: 5.6Git-2014-09-10 (Git) +PHP Version: 5.6.1 -Assigned To: +Assigned To: mbeccati
 [2014-09-10 05:49 UTC] mbeccati@php.net 
The fix for this bug has been committed.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
http://snaps.php.net/.

 For Windows:

http://windows.php.net/snapshots/
 
Thank you for the report, and for helping us make PHP better.

To git@git.php.net:php-src.git
   3571a68..0b648a4  PHP-5.6 -> PHP-5.6
   5b82430..205b6b8  master -> master
 
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