From 00b4843425371e4ff55c82be577a279e248c29fc Mon Sep 17 00:00:00 2001
From: redmatrix <git@macgirvin.com>
Date: Tue, 31 May 2016 16:16:54 -0700
Subject: provide a sort of mutex lock around db logging so it can't possibly
 recurse. Previous attempts to do something similar using other methods
 haven't worked out satisfactorily.

---
 include/dba/dba_driver.php |  7 ++++++-
 include/plugin.php         | 21 ++++++++++++---------
 2 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/include/dba/dba_driver.php b/include/dba/dba_driver.php
index 0ab5830ed..df072ed76 100755
--- a/include/dba/dba_driver.php
+++ b/include/dba/dba_driver.php
@@ -12,7 +12,7 @@ class DBA {
 
 	static public $dba = null;
 	static public $dbtype = null;
-
+	static public $logging = false;
 
 	/**
 	 * @brief Returns the database driver object.
@@ -421,8 +421,13 @@ function db_getfunc($f) {
 
 function db_logger($s,$level = LOGGER_NORMAL,$syslog = LOG_INFO) {
 
+	if(\DBA::$logging)
+		return;
+
 	$saved = \DBA::$dba->debug;
 	\DBA::$dba->debug = false;
+	\DBA::$logging = true;
 	logger($s,$level,$syslog);
+	\DBA::$logging = false;
 	\DBA::$dba->debug = $saved;
 }
\ No newline at end of file
diff --git a/include/plugin.php b/include/plugin.php
index 96ae0e543..be4e92f03 100755
--- a/include/plugin.php
+++ b/include/plugin.php
@@ -300,15 +300,18 @@ function call_hooks($name, &$data = null) {
 					$func($data);
 				else
 					$func($a, $data);
-			} else {
-				// The hook should be removed so we don't process it. 
-				// But not until everybody gets through a timing issue 
-				// related to git pull and update_r1169  
-				//	q("DELETE FROM hook WHERE hook = '%s' AND file = '%s' AND fn = '%s'",
-				//		dbesc($name),
-				//		dbesc($hook[0]),
-				//		dbesc($origfn)
-				//	);
+			} 
+			else {
+
+				// Don't do any DB write calls if we're currently logging a possibly failed DB call. 
+				if(! DBA::$logging) {
+					// The hook should be removed so we don't process it.
+					q("DELETE FROM hook WHERE hook = '%s' AND file = '%s' AND fn = '%s'",
+						dbesc($name),
+						dbesc($hook[0]),
+						dbesc($origfn)
+					);
+				}
 			}
 		}
 	}
-- 
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