Retire refcount functions. They are not used anymore

1 files changed, 0 insertions, 76 deletions

diff --git a/src/etc/inc/util.inc b/src/etc/inc/util.inc
index 1497491..265f62f 100644
--- a/src/etc/inc/util.inc
+++ b/src/etc/inc/util.inc
@@ -228,82 +228,6 @@ function send_multiple_events($cmds) {
 	}
 }
 
-function refcount_init($reference) {
-	$shmid = @shmop_open($reference, "c", 0644, 10);
-	@shmop_write($shmid, str_pad("0", 10, "\x0", STR_PAD_RIGHT), 0);
-	@shmop_close($shmid);
-}
-
-function refcount_reference($reference) {
-	/* Take out a lock across the shared memory read, increment, write sequence to make it atomic. */
-	$shm_lck = lock("shm{$reference}", LOCK_EX);
-	try {
-		/* NOTE: A warning is generated when shared memory does not exist */
-		$shmid = @shmop_open($reference, "w", 0, 0);
-		if (!$shmid) {
-			refcount_init($reference);
-			$shmid = @shmop_open($reference, "w", 0, 0);
-			if (!$shmid) {
-				log_error(sprintf(gettext("Could not open shared memory %s"), $reference));
-				unlock($shm_lck);
-				return;
-			}
-		}
-		$shm_data = @shmop_read($shmid, 0, 10);
-		$shm_data = intval($shm_data) + 1;
-		@shmop_write($shmid, str_pad($shm_data, 10, "\x0", STR_PAD_RIGHT), 0);
-		@shmop_close($shmid);
-		unlock($shm_lck);
-	} catch (Exception $e) {
-		log_error($e->getMessage());
-		unlock($shm_lck);
-	}
-
-	return $shm_data;
-}
-
-function refcount_unreference($reference) {
-	/* Take out a lock across the shared memory read, decrement, write sequence to make it atomic. */
-	$shm_lck = lock("shm{$reference}", LOCK_EX);
-	try {
-		$shmid = @shmop_open($reference, "w", 0, 0);
-		if (!$shmid) {
-			refcount_init($reference);
-			log_error(sprintf(gettext("Could not open shared memory %s"), $reference));
-			unlock($shm_lck);
-			return;
-		}
-		$shm_data = @shmop_read($shmid, 0, 10);
-		$shm_data = intval($shm_data) - 1;
-		if ($shm_data < 0) {
-			//debug_backtrace();
-			log_error(sprintf(gettext("Reference %s is going negative, not doing unreference."), $reference));
-		} else {
-			@shmop_write($shmid, str_pad($shm_data, 10, "\x0", STR_PAD_RIGHT), 0);
-		}
-		@shmop_close($shmid);
-		unlock($shm_lck);
-	} catch (Exception $e) {
-		log_error($e->getMessage());
-		unlock($shm_lck);
-	}
-
-	return $shm_data;
-}
-
-function refcount_read($reference) {
-	/* This function just reads the current value of the refcount for information. */
-	/* There is no need for locking. */
-	$shmid = @shmop_open($reference, "a", 0, 0);
-	if (!$shmid) {
-		log_error(sprintf(gettext("Could not open shared memory for read %s"), $reference));
-		return -1;
-	}
-	$shm_data = @shmop_read($shmid, 0, 10);
-	@shmop_close($shmid);
-	return $shm_data;
-}
-
 function is_module_loaded($module_name) {
 	$module_name = str_replace(".ko", "", $module_name);
 	$running = 0;