Avoid multiple run of expiry procedure on large sites

1 files changed, 9 insertions, 0 deletions

diff --git a/Zotlabs/Daemon/Expire.php b/Zotlabs/Daemon/Expire.php
index 398425861..f3f42df6f 100644
--- a/Zotlabs/Daemon/Expire.php
+++ b/Zotlabs/Daemon/Expire.php
@@ -8,6 +8,13 @@ class Expire {
 	static public function run($argc,$argv){
 
 		cli_startup();
+		
+		if ($pid = get_config('expire', 'procid', false) && (function_exists('posix_kill') ? posix_kill($pid, 0) : true)) {
+		    logger('Expire: procedure already run with PID ' . $pid, LOGGER_DEBUG);
+		    return;
+		}
+		
+		set_config('expire', 'procid', getmypid());
 
 		// perform final cleanup on previously delete items
 
@@ -90,5 +97,7 @@ class Expire {
 
 			logger('Expire: sys: done', LOGGER_DEBUG);
 		}
+		
+		del_config('expire', 'procid');
 	}
 }