commit 8985cde70901c62d3f0f04da225e73b7344a52d7
author Martin von Gagern <Martin.vGagern@gmx.net> Mon Apr 13 16:32:14 2015 +0800
committer Daniel Veillard <veillard@redhat.com> Mon Apr 13 16:32:14 2015 +0800
tree 6b7f166c4d17bea6732c109bd6e214bbbe1d0d8f
parent 7607d9dd450275911eec5fcb66b69aacd13a4cc8

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

diff --git a/xmlmemory.c b/xmlmemory.c
index a3dc737..f24fd6d 100644
--- a/xmlmemory.c
+++ b/xmlmemory.c
@@ -554,7 +554,12 @@
 
 int
 xmlMemUsed(void) {
-     return(debugMemSize);
+    int res;
+
+    xmlMutexLock(xmlMemMutex);
+    res = debugMemSize;
+    xmlMutexUnlock(xmlMemMutex);
+    return(res);
 }
 
 /**
@@ -567,7 +572,12 @@
 
 int
 xmlMemBlocks(void) {
-     return(debugMemBlocks);
+    int res;
+
+    xmlMutexLock(xmlMemMutex);
+    res = debugMemBlocks;
+    xmlMutexUnlock(xmlMemMutex);
+    return(res);
 }
 
 #ifdef MEM_LIST