From: sc1n at yahoo dot com Operating system: FreeBSD & Linux PHP version: 5.2.10 PHP Bug Type: Feature/Change Request Bug description: Cannot check semaphore status
Description: ------------ The PHP sysvsem implementation lacks core functionality for semaphore usage. The missing functionality makes tasks that can commonly be solved with semaphores in other languages not possible in PHP. Functions that that provide the following behavior should be added: GETVAL -- Return the value of a single semaphore. (this one is really important). GETNCNT -- Return the number of processes waiting for the value of a semaphore to increase. GETZCNT -- Return the number of processes waiting for the value of a particular semaphore to reach zero. GETPID -- Return the PID of the process that performed the last operation on the semaphore. The flag IPC_NOWAIT should be added to sem_acquire to set the acquire has non blocking. Expected result: ---------------- Minimum level of semaphore support that matches implementations for virtually any other programming language. -- Edit bug report at http://bugs.php.net/?id=48748&edit=1 -- Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=48748&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=48748&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=48748&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=48748&r=fixedcvs Fixed in CVS and need be documented: http://bugs.php.net/fix.php?id=48748&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=48748&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=48748&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=48748&r=needscript Try newer version: http://bugs.php.net/fix.php?id=48748&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=48748&r=support Expected behavior: http://bugs.php.net/fix.php?id=48748&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=48748&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=48748&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=48748&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=48748&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=48748&r=dst IIS Stability: http://bugs.php.net/fix.php?id=48748&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=48748&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=48748&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=48748&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=48748&r=mysqlcfg
