X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fsgml.cpp;h=2facb3ed539e280d459fed50a9f9fba1ba7f3b48;hb=c75d9bf7c4e1ec31b31be55ce3f88ba605cff625;hp=75802c2bd44d2113da87253c0c31ffb0fc267df0;hpb=b6aed54c45cf4a479cfd11e3e6851194f5a05947;p=lyx.git

diff --git a/src/sgml.cpp b/src/sgml.cpp
index 75802c2bd4..2facb3ed53 100644
--- a/src/sgml.cpp
+++ b/src/sgml.cpp
@@ -27,6 +27,7 @@
 #include "support/lstrings.h"
 #include "support/textutils.h"
 
+#include <atomic>
 #include <map>
 #include <QThreadStorage>
 
@@ -105,10 +106,8 @@ docstring sgml::escapeString(docstring const & raw)
 
 docstring const sgml::uniqueID(docstring const & label)
 {
-	// FIXME THREAD
-	// It seems unlikely there could be a problem here,
-	// but we could have concurrent access, in principle.
-	static unsigned int seed = 1000;
+	// thread-safe
+	static atomic_uint seed(1000);
 	return label + convert<docstring>(++seed);
 }