X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fbuffer_funcs.cpp;h=03ecc90abeb9d9a8bea5c4ec654ac38fde923016;hb=5471139ecb19923cd3410bf7f520766148daa1aa;hp=26bff558f6402ea4aeae81e78f3c99b03d6516af;hpb=afab1140e9598b136e7deb89d79275087c422ca4;p=lyx.git

diff --git a/src/buffer_funcs.cpp b/src/buffer_funcs.cpp
index 26bff558f6..03ecc90abe 100644
--- a/src/buffer_funcs.cpp
+++ b/src/buffer_funcs.cpp
@@ -47,6 +47,7 @@
 #include "support/filetools.h"
 #include "support/gettext.h"
 #include "support/lstrings.h"
+#include "support/mutex.h"
 #include "support/textutils.h"
 
 using namespace std;
@@ -173,7 +174,9 @@ Buffer * newUnnamedFile(FileName const & path, string const & prefix,
 						string const & templatename)
 {
 	static map<string, int> file_number;
+	static Mutex mutex;
 
+	Mutex::Locker locker(&mutex);
 	FileName filename;
 
 	do {