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Don't bother with sems.

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git-svn-id: http://svn.automattic.com/wordpress/trunk@3131 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
ryan 2005-11-17 09:30:14 +00:00
parent d662ef80b1
commit 3a83db90da
1 changed files with 5 additions and 17 deletions
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22
wp-includes/cache.php
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@ -54,10 +54,7 @@ class WP_Object_Cache {
var $cache_dir;
var $cache_enabled = false;
var $expiration_time = 86400;
var $use_flock = false;
var $flock_filename = 'wp_object_cache.lock';
var $sem_id = 5454;
var $mutex;
var $cache = array ();
var $dirty_objects = array ();
var $non_existant_objects = array ();
@ -281,16 +278,9 @@ class WP_Object_Cache {
@ touch($this->cache_dir."index.php");
}
// Acquire a write lock. Semaphore preferred. Fallback to flock.
if (function_exists('sem_get')) {
$this->use_flock = false;
$mutex = sem_get($this->sem_id, 1, 0644 | IPC_CREAT, 1);
sem_acquire($mutex);
} else {
$this->use_flock = true;
$mutex = fopen($this->cache_dir.$this->flock_filename, 'w');
flock($mutex, LOCK_EX);
}
// Acquire a write lock.
$mutex = fopen($this->cache_dir.$this->flock_filename, 'w');
flock($mutex, LOCK_EX);
// Loop over dirty objects and save them.
foreach ($this->dirty_objects as $group => $ids) {
@ -321,10 +311,8 @@ class WP_Object_Cache {
}
// Release write lock.
if ($this->use_flock)
flock($mutex, LOCK_UN);
else
sem_release($mutex);
flock($mutex, LOCK_UN);
fclose($mutex);
}
function stats() {