PHP sem_remove函數代碼示例

 /**
  * @return bool
  */
 public function unlock()
 {
     $released = sem_release($this->lock);
     sem_remove($this->lock);
     $this->lock = null;
     return $released;
 }

 /**
  * Tests removing semaphore fails.
  *
  * @test
  * @expectedException bandwidthThrottle\tokenBucket\storage\StorageException
  * @expectedExceptionMessage Could not remove semaphore.
  */
 public function testfailRemovingSemaphore()
 {
     $key = ftok(__FILE__, "a");
     $storage = new IPCStorage($key);
     sem_remove(sem_get($key));
     @$storage->remove();
 }

 public static function store($key, $value)
 {
     self::getHandle();
     if (!shm_put_var(self::$handle, self::getVarKey($key), $value)) {
         sem_remove(self::$semaphore);
         shm_remove(self::$handle);
         die('couldn\'t write to shared memory.');
     }
     self::release();
 }

 function drop($key)
 {
     try {
         return sem_remove($this->locks[$key]);
     } catch (ExecutionContextException $e) {
         unset($this->locks[$key]);
         // already race-removed
         return false;
     }
 }

 public function remove()
 {
     if (!shm_remove($this->memory)) {
         throw new StorageException("Could not release shared memory.");
     }
     $this->memory = null;
     if (!sem_remove($this->semaphore)) {
         throw new StorageException("Could not remove semaphore.");
     }
     $this->semaphore = null;
 }

 public function drop($key)
 {
     if (isset($this->pool[$key])) {
         try {
             return sem_remove($this->pool[$key]);
         } catch (BaseException $e) {
             unset($this->pool[$key]);
             // already race-removed
             return false;
         }
     }
     return null;
 }

 function delete()
 {
     if ($this->shm) {
         sem_acquire($this->sem());
         try {
             $this->shm->delete();
             sem_release($this->sem());
         } catch (Exception $e) {
             sem_release($this->sem());
         }
     }
     $this->logger->debug(sprintf("Delete semaphore (key: 0x%08x)", $this->semKey));
     sem_remove($this->sem());
     if (isset($e)) {
         throw $e;
     }
 }

 function setUniqueValue($value, $user, $userid = 0)
 {
     $conn = create_db_connection();
     $key = md5($value . ":unique-value:" . $user);
     $sem = 0;
     if (function_exists("sem_get")) {
         $sem = sem_get(ftok(realpath("config/upload.php"), 'R'));
         sem_acquire($sem);
     }
     $conn->openselect("select * from " . getUserConfig("dbprefix") . "uniquevalues where md5='" . $key . "' and user='" . $conn->escape($user) . "' and userid=0" . intval($userid));
     if ($conn->eof()) {
         $conn->execute("insert into " . getUserConfig("dbprefix") . "uniquevalues(md5,util,user,userid) values('" . $conn->escape($key) . "','" . $conn->escape($value) . "','" . $conn->escape($user) . "',0" . intval($userid) . ")");
     } else {
         resetUniqueValue($key, $value, $user, $userid);
     }
     if ($sem) {
         sem_release($sem);
         sem_remove($sem);
     }
     $conn->close();
     return $key;
 }

 /**
  * Release the lock
  *
  * @return	boolean		Returns TRUE on success or FALSE on failure
  */
 public function release()
 {
     if (!$this->isAcquired) {
         return TRUE;
     }
     $success = TRUE;
     switch ($this->method) {
         case 'simple':
             if (unlink($this->resource) == FALSE) {
                 $success = FALSE;
             }
             break;
         case 'flock':
             if (flock($this->filepointer, LOCK_UN) == FALSE) {
                 $success = FALSE;
             }
             fclose($this->filepointer);
             unlink($this->resource);
             break;
         case 'semaphore':
             if (@sem_release($this->resource)) {
                 sem_remove($this->resource);
             } else {
                 $success = FALSE;
             }
             break;
         case 'disable':
             $success = FALSE;
             break;
     }
     $this->isAcquired = FALSE;
     return $success;
 }

 /**
  * Destroys the resource associated with the lock
  *
  * @return void
  */
 public function destroy()
 {
     if ($this->resource) {
         sem_remove($this->resource);
         @unlink($this->filePath);
     }
 }

 public static function unlock($semId)
 {
     sem_release($semId);
     sem_remove($semId);
 }

 /**
  * Force release
  */
 public function destroy()
 {
     sem_remove($this->__mutex);
     shm_remove($this->__shm);
 }

 public function __destruct()
 {
     foreach ($this->activeMegaListeners as $listener) {
         $this->megaApi->removeListener($listener);
     }
     foreach ($this->activeMegaRequestListeners as $listener) {
         $this->megaApi->removeRequestListener($listener);
     }
     foreach ($this->activeMegaTransferListeners as $listener) {
         $this->megaApi->removeTransferListener($listener);
     }
     foreach ($this->activeMegaGlobalListeners as $listener) {
         $this->megaApi->removeGlobalListener($listener);
     }
     sem_remove($this->semaphore);
 }

 /**
  * Release the lock
  *
  * @return	boolean		Returns TRUE on success or FALSE on failure
  */
 public function release()
 {
     if (!$this->isAcquired) {
         return TRUE;
     }
     $success = TRUE;
     switch ($this->method) {
         case 'flock':
             if (flock($this->filepointer, LOCK_UN) == FALSE) {
                 $success = FALSE;
             }
             fclose($this->filepointer);
             //if (\TYPO3\CMS\Core\Utility\GeneralUtility::isAllowedAbsPath($this->resource) && \TYPO3\CMS\Core\Utility\GeneralUtility::isFirstPartOfStr($this->resource, PATH_site . 'typo3temp'.DIRECTORY_SEPARATOR.'extbase_hijax'.DIRECTORY_SEPARATOR.'locks'.DIRECTORY_SEPARATOR)) {
             // TODO: add a scheduler task to remove old lock files
             // unlink($this->resource);
             //}
             break;
         case 'semaphore':
             if (@sem_release($this->resource)) {
                 sem_remove($this->resource);
             } else {
                 $success = FALSE;
             }
             break;
         case 'disable':
             $success = FALSE;
             break;
     }
     $this->isAcquired = FALSE;
     return $success;
 }

 /**
  * Release all resource after process end
  * Call by destruct
  * 
  * @return void
  */
 protected function __release()
 {
     // release global space for vars
     $this->global->remove();
     // release shared space for vars
     $this->shared->remove();
     // remove mutex for lock
     @sem_remove($this->mutex);
 }