1 #include "test_utils.h" 2 Mutex mu1; // This Mutex guards var. 3 Mutex mu2; // This Mutex is not related to var. 4 int var; // GUARDED_BY(mu1) 5 6 void Thread1() { // Runs in thread named 'test-thread-1'. 7 MutexLock lock(&mu1); // Correct Mutex. 8 var = 1; 9 } 10 11 void Thread2() { // Runs in thread named 'test-thread-2'. 12 MutexLock lock(&mu2); // Wrong Mutex. 13 var = 2; 14 } 15 16 int main() { 17 ANNOTATE_TRACE_MEMORY(&var); 18 var = 0; 19 MyThread t1(Thread1, NULL, "test-thread-1"); 20 MyThread t2(Thread2, NULL, "test-thread-2"); 21 t1.Start(); 22 t2.Start(); 23 t1.Join(); 24 t2.Join(); 25 } 26
