1 // RUN: echo "race_top:TopFunction" > %t.supp 2 // RUN: %clangxx_tsan -O1 %s -o %t 3 // RUN: %env_tsan_opts=suppressions='%t.supp' %run %t 2>&1 | FileCheck %s 4 // RUN: rm %t.supp 5 #include "test.h" 6 7 int Global; 8 TopFunction(int * p)9void TopFunction(int *p) { 10 *p = 1; 11 } 12 Thread(void * x)13void *Thread(void *x) { 14 barrier_wait(&barrier); 15 TopFunction(&Global); 16 return 0; 17 } 18 main()19int main() { 20 barrier_init(&barrier, 2); 21 pthread_t t; 22 pthread_create(&t, 0, Thread, 0); 23 Global--; 24 barrier_wait(&barrier); 25 pthread_join(t, 0); 26 fprintf(stderr, "DONE\n"); 27 } 28 29 // CHECK-NOT: WARNING: ThreadSanitizer: data race 30