Move thread sanitizer example

Put into a subdirectory, and the file/app/test renamed to what is
expected to occur, a data race.

Author: StableCoder

example/all/CMakeLists.txt

@@ -53,12 +53,12 @@ if(EXAMPLE_USE_SANITIZER)
 endif()
 
 # Fails with ThreadSanitizer
-add_executable(tsanFail ../src/tsan_fail.cpp)
-target_code_coverage(tsanFail AUTO ALL)
+add_executable(tsan_data_race ../src/tsan/data_race.cpp)
+target_code_coverage(tsan_data_race AUTO ALL)
 if(UNIX)
-  target_link_libraries(tsanFail PUBLIC pthread)
+  target_link_libraries(tsan_data_race PUBLIC pthread)
 endif()
-add_test(tsan tsanFail)
+add_test(tsan_data_race tsan_data_race)
 
 # Fails with LeakSanitizer
 add_executable(lsan_direct_leak ../src/lsan/direct_leak.c)

example/src/tsan/data_race.cpp

@@ -0,0 +1,11 @@
+#include <stdio.h>
+#include <thread>
+
+void threadfunc(int *p) { *p = 1; }
+
+int main() {
+    int val = 0;
+    std::thread t(threadfunc, &val);
+    printf("foo=%i\n", val);
+    t.join();
+}