1 files changed, 46 insertions, 0 deletions
diff --git a/gnu/packages/patches/libxml2-bug-747437.patch b/gnu/packages/patches/libxml2-bug-747437.patch
new file mode 100644
index 0000000000..ea2ef0ff53
--- /dev/null
+++ b/gnu/packages/patches/libxml2-bug-747437.patch
@@ -0,0 +1,46 @@
+From 8985cde70901c62d3f0f04da225e73b7344a52d7 Mon Sep 17 00:00:00 2001
+From: Martin von Gagern <Martin.vGagern@gmx.net>
+Date: Mon, 13 Apr 2015 16:32:14 +0800
+Subject: [PATCH] xmlMemUsed is not thread-safe
+
+For https://bugzilla.gnome.org/show_bug.cgi?id=747437
+just use the mutex to protect access to those variables
+---
+ xmlmemory.c | 14 ++++++++++++--
+ 1 file changed, 12 insertions(+), 2 deletions(-)
+
+diff --git a/xmlmemory.c b/xmlmemory.c
+index a3dc737..f24fd6d 100644
+--- a/xmlmemory.c
++++ b/xmlmemory.c
+@@ -554,7 +554,12 @@ xmlMemoryStrdup(const char *str) {
+ 
+ int
+ xmlMemUsed(void) {
+-     return(debugMemSize);
++    int res;
++
++    xmlMutexLock(xmlMemMutex);
++    res = debugMemSize;
++    xmlMutexUnlock(xmlMemMutex);
++    return(res);
+ }
+ 
+ /**
+@@ -567,7 +572,12 @@ xmlMemUsed(void) {
+ 
+ int
+ xmlMemBlocks(void) {
+-     return(debugMemBlocks);
++    int res;
++
++    xmlMutexLock(xmlMemMutex);
++    res = debugMemBlocks;
++    xmlMutexUnlock(xmlMemMutex);
++    return(res);
+ }
+ 
+ #ifdef MEM_LIST
+-- 
+2.6.3
+