IVGCVSW-4701 Make the GUIDGenerator thread safe

Signed-off-by: Finn Williams <Finn.Williams@arm.com>
Change-Id: Ide55731c51a8b77d71bfa4f3f7f0d122bb643d87

1 files changed, 25 insertions, 0 deletions

diff --git a/src/profiling/test/ProfilingGuidTest.cpp b/src/profiling/test/ProfilingGuidTest.cpp
index 5782d21cf8..b8f6b88479 100644
--- a/src/profiling/test/ProfilingGuidTest.cpp
+++ b/src/profiling/test/ProfilingGuidTest.cpp
@@ -12,6 +12,7 @@
 
 #include <boost/test/unit_test.hpp>
 #include <boost/format.hpp>
+#include <thread>
 
 using namespace armnn::profiling;
 
@@ -124,4 +125,28 @@ BOOST_AUTO_TEST_CASE(DynamicGuidGeneratorTest)
     }
 }
 
+BOOST_AUTO_TEST_CASE (ProfilingGuidThreadTest)
+{
+    ProfilingGuidGenerator profilingGuidGenerator;
+
+    auto guidGenerator = [&profilingGuidGenerator]()
+    {
+        for (int i = 0; i < 1000; ++i)
+        {
+            profilingGuidGenerator.NextGuid();
+        }
+    };
+
+    std::thread t1(guidGenerator);
+    std::thread t2(guidGenerator);
+    std::thread t3(guidGenerator);
+
+    t1.join();
+    t2.join();
+    t3.join();
+
+    uint64_t guid = profilingGuidGenerator.NextGuid();
+    BOOST_CHECK(guid == 3000u);
+}
+
 BOOST_AUTO_TEST_SUITE_END()