summaryrefslogtreecommitdiffstats
path: root/notFinishedCode/tricode/mutexFunctions.php
diff options
context:
space:
mode:
Diffstat (limited to 'notFinishedCode/tricode/mutexFunctions.php')
-rw-r--r--notFinishedCode/tricode/mutexFunctions.php36
1 files changed, 36 insertions, 0 deletions
diff --git a/notFinishedCode/tricode/mutexFunctions.php b/notFinishedCode/tricode/mutexFunctions.php
new file mode 100644
index 0000000..af45610
--- /dev/null
+++ b/notFinishedCode/tricode/mutexFunctions.php
@@ -0,0 +1,36 @@
+<?
+//Mutex functions
+function Lock($lockName,$seconds)
+{
+ $sql = "SELECT GET_LOCK('$lockName', $seconds);";
+ $res = mysql_query($sql);
+ if (!$res)
+ {
+ die('Could not query:' . mysql_error());
+ }
+ return mysql_result($res,0);
+}
+
+function IsLocked($lockName)
+{
+ $sql = "SELECT IS_FREE_LOCK('$lockName');";
+ $res = mysql_query($sql);
+ if (!$res)
+ {
+ die('Could not query:' . mysql_error());
+ }
+ return mysql_result($res,0);
+}
+
+function ReleaseLock($lockName)
+{
+ $sql = "SELECT RELEASE_LOCK('$lockName');";
+ $res = mysql_query($sql);
+ if (!$res)
+ {
+ die('Could not query:' . mysql_error());
+ }
+ return mysql_result($res,0);
+}
+//End of mutex functions
+?>