#23950 [NEW]: flock seems to not work

From: bibifoc23 at yahoo dot fr Operating system: Linux PHP version: 4.3.2 PHP Bug Type: Filesystem function related Bug description: flock seems to not work hello, Chen i use flocks on Linux, it is always possible to write or read the locked file. Script: <?php $fp = fopen ( 'lock.tmp', 'a+'); if( flock ( $fp, LOCK_EX ) ) { fwrite ( STDOUT, "Lock good...\n"); } else { fwrite ( STDOUT, "Error getting Lock...\n"); } sleep ( 30 ); if( flock ( $fp, LOCK_UN ) ) { fwrite ( STDOUT, "Lock release good...\n"); } else { fwrite ( STDOUT, "Error released Lock...\n"); } ?> during sleep, i run "echo test >> lock.tmp" under shell. And it is works fine. On windows 2000, it is seems to works. -- Edit bug report at http://bugs.php.net/?id=23950&edit=1 -- Try a CVS snapshot: http://bugs.php.net/fix.php?id=23950&r=trysnapshot Fixed in CVS: http://bugs.php.net/fix.php?id=23950&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=23950&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=23950&r=needtrace Try newer version: http://bugs.php.net/fix.php?id=23950&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=23950&r=support Expected behavior: http://bugs.php.net/fix.php?id=23950&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=23950&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=23950&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=23950&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=23950&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=23950&r=dst IIS Stability: http://bugs.php.net/fix.php?id=23950&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=23950&r=gnused