X-Git-Url: http://ftp.carnet.hr/carnet-debian/scm?p=php5-apc.git;a=blobdiff_plain;f=apc_spin.c;fp=apc_spin.c;h=3ce65ebc058adf1402e2b248315bed69eb760292;hp=0000000000000000000000000000000000000000;hb=3682e0a7a26931aabca2b6e54eb08efd7dc0430b;hpb=575ce08215526bb71a967d69d601e77e1afbcd11

diff --git a/apc_spin.c b/apc_spin.c
new file mode 100644
index 0000000..3ce65eb
--- /dev/null
+++ b/apc_spin.c
@@ -0,0 +1,65 @@
+/*
+  +----------------------------------------------------------------------+
+  | APC                                                                  |
+  +----------------------------------------------------------------------+
+  | Copyright (c) 2007 The PHP Group                                     |
+  +----------------------------------------------------------------------+
+  | This source file is subject to version 3.01 of the PHP license,      |
+  | that is bundled with this package in the file LICENSE, and is        |
+  | available through the world-wide-web at the following url:           |
+  | http://www.php.net/license/3_01.txt                                  |
+  | If you did not receive a copy of the PHP license and are unable to   |
+  | obtain it through the world-wide-web, please send a note to          |
+  | license@php.net so we can mail you a copy immediately.               |
+  +----------------------------------------------------------------------+
+  | Authors: Brian Shire <shire@php.net>                                 |
+  +----------------------------------------------------------------------+
+
+ */
+
+/* $Id: apc_spin.c,v 3.1 2007/01/29 07:39:02 shire Exp $ */
+
+#include "apc_spin.h"
+
+#ifdef APC_SPIN_LOCKS
+
+slock_t *apc_slock_create(slock_t *lock) 
+{
+   S_INIT_LOCK(lock); 
+}
+
+void apc_slock_destroy(slock_t *lock)
+{
+    S_LOCK_FREE(lock);
+}
+
+void apc_slock_lock(slock_t *lock)
+{
+    S_LOCK(lock);
+}
+
+void apc_slock_unlock(slock_t *lock)
+{
+    S_UNLOCK(lock);
+}
+
+zend_bool apc_slock_nonblocking_lock(slock_t *lock)
+{
+    /* Technically we aren't supposed to call this directly, but the original
+     *  code provides no method for absolute non-blocking locks, so we'll call into
+     *  the TAS (test and set) functionality directly 
+     */
+    return !(TAS(lock));  /* if TAS returns 0 we obtained the lock, otherwise we failed */
+}
+
+
+#endif
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * End:
+ * vim600: expandtab sw=4 ts=4 sts=4 fdm=marker
+ * vim<600: expandtab sw=4 ts=4 sts=4
+ */