Feature #18557 » 0008010.patch
| t3lib/class.t3lib_db.php (Arbeitskopie) | ||
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return $wgolParts;
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}
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/**
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* Tries to obtain a lock with a name given by the string $name with an optional timeout in seconds.
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*
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* Return values:
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* - 1: the lock was obtained successfully
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* - 0: the attempt timed out (because lock existed before and was not released withing the timeout)
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* - null: an error occurred
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*
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* @param string $name: Name identifying the lock
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* @param integer $timeout: Timeout for the attempt to obtain a lock
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* @return mixed Returns 1 if the lock was obtained or 0/null if not (see method comment for more details)
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*/
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public function getLock($name, $timeout=0) {
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$timeout = intval($timeout);
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$resource = $this->sql_query('SELECT GET_LOCK('.$this->fullQuoteStr($name, '_DEFAULT').($timeout>0 ? ', '.$timeout : '').')');
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if (is_resource($resource)) {
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list($result) = $this->sql_fetch_row($resource);
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$this->sql_free_result($resource);
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}
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return $result;
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}
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/**
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* Releases the lock named by the string $name that was obtained with getLock().
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*
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* Return values:
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* - 1: the lock was released
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* - 0: the lock was not established by this thread and thus cannot be released
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* - null: the named lock did not exist
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*
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* @param string $name: Name identifying the lock
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* @return mixed Returns 1 if the lock was released or 0/null if not (see method comment for more details)
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*/
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public function releaseLock($name) {
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$resource = $this->sql_query('SELECT RELEASE_LOCK('.$this->fullQuoteStr($name, '_DEFAULT').')');
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if (is_resource($resource)) {
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list($result) = $this->sql_fetch_row($resource);
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$this->sql_free_result($resource);
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}
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return $result;
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}
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/**
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* Checkes whether the lock named by the string $name is free to use and thus not locked.
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*
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* Return values:
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* - 1: the lock is free
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* - 0: the lock is in use
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* - null: an error occurred
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*
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* @param string $name: Name identifying the lock
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* @return mixed Returns 1 if the lock is free or 0/null if not (see method comment for more details)
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*/
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public function isFreeLock($name) {
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$resource = $this->sql_query('SELECT IS_FREE_LOCK('.$this->fullQuoteStr($name, '_DEFAULT').')');
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if (is_resource($resource)) {
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list($result) = $this->sql_fetch_row($resource);
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$this->sql_free_result($resource);
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}
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return $result;
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}
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| ... | ... | |
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/**************************************
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*
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* MySQL wrapper functions
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| t3lib/class.t3lib_lock.php (Arbeitskopie) | ||
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$success = true;
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}
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break;
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case 'database':
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$this->resource = $this->id = md5($id);
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$success = true;
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break;
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case 'disable':
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return false;
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break;
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| ... | ... | |
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$noWait = false;
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}
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break;
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case 'database':
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$result = $GLOBALS['TYPO3_DB']->getLock($this->resource, $this->loops*$this->step);
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if (!$result) {
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if (isset($result)) {
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$this->sysLog('Trying to acquire the lock timed out');
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} else {
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$this->sysLog('An error occurred while trying to acquire the lock', 3);
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}
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$noWait = false;
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$isAcquired = false;
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}
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break;
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case 'disable':
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$noWait = false;
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$isAcquired = false;
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| ... | ... | |
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$success = false;
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}
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break;
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case 'database':
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$result = $GLOBALS['TYPO3_DB']->releaseLock($this->resource);
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if (!$result) {
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if (isset($result)) {
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$this->sysLog('Could not release a lock which is owned by another process');
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$success = false;
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} else {
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$this->sysLog('The lock to be released did not exist (anymore)');
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}
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}
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break;
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case 'disable':
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$success = false;
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break;
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| typo3/sysext/cms/tslib/class.tslib_fe.php (Arbeitskopie) | ||
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*/
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function releasePageGenerationLock(&$lockObj) {
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$success = false;
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// If lock object is set and was aquired (may also happen if no_cache was enabled during runtime), release it:
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// If lock object is set and was acquired (may also happen if no_cache was enabled during runtime), release it:
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if (is_object($lockObj) && $lockObj instanceof t3lib_lock && $lockObj->getLockStatus()) {
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$success = $lockObj->release();
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$lockObj->sysLog('Released lock');
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