diff options
Diffstat (limited to 'src/uscxml')
-rw-r--r-- | src/uscxml/util/UUID.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/uscxml/util/UUID.cpp b/src/uscxml/util/UUID.cpp index 6f7cf96..bc63ecd 100644 --- a/src/uscxml/util/UUID.cpp +++ b/src/uscxml/util/UUID.cpp @@ -20,6 +20,7 @@ #include <sstream> #include <boost/uuid/uuid_io.hpp> #include <boost/uuid/random_generator.hpp> +#include <mutex> #include "UUID.h" @@ -27,8 +28,13 @@ namespace uscxml { // hide from public header boost::uuids::random_generator uuidGen; +std::mutex uuidMutex; std::string UUID::getUUID() { + // boost.random objects are not guaranteed to be thread-safe + // see issue 131 + std::lock_guard<std::mutex> lock(uuidMutex); + boost::uuids::uuid uuid = uuidGen(); std::ostringstream os; os << uuid; @@ -71,4 +77,4 @@ bool UUID::isUUID(const std::string& uuid) { return true; } -}
\ No newline at end of file +} |