Fix #3473
I don't know why I thought of semaphores in the first place ...
diff --git a/system/libraries/Session/Session_driver.php b/system/libraries/Session/Session_driver.php
index 944659c..de1908a 100644
--- a/system/libraries/Session/Session_driver.php
+++ b/system/libraries/Session/Session_driver.php
@@ -107,34 +107,16 @@
/**
* Get lock
*
- * A default locking mechanism via semaphores, if ext/sysvsem is available.
- *
- * Drivers will usually override this and only fallback to it if no other
- * locking mechanism is available.
+ * A dummy method allowing drivers with no locking functionality
+ * (databases other than PostgreSQL and MySQL) to act as if they
+ * do acquire a lock.
*
* @param string $session_id
* @return bool
*/
protected function _get_lock($session_id)
{
- if ( ! extension_loaded('sysvsem'))
- {
- $this->_lock = TRUE;
- return TRUE;
- }
-
- if (($this->_lock = sem_get($session_id.($this->_config['match_ip'] ? '_'.$_SERVER['REMOTE_ADDR'] : ''), 1, 0644)) === FALSE)
- {
- return FALSE;
- }
-
- if ( ! sem_acquire($this->_lock))
- {
- sem_remove($this->_lock);
- $this->_lock = FALSE;
- return FALSE;
- }
-
+ $this->_lock = TRUE;
return TRUE;
}
@@ -147,10 +129,8 @@
*/
protected function _release_lock()
{
- if (extension_loaded('sysvsem') && $this->_lock)
+ if ($this->_lock)
{
- sem_release($this->_lock);
- sem_remove($this->_lock);
$this->_lock = FALSE;
}