1 // RUN: echo "race_top:TopFunction" > %t.supp 2 // RUN: %clangxx_tsan -O1 %s -o %t 3 // RUN: %env_tsan_opts=suppressions='%t.supp' %deflake %run %t 2>&1 | FileCheck %s 4 // RUN: rm %t.supp 5 #include "test.h" 6 7 int Global; 8 9 void AnotherFunction(int *p) { 10 *p = 1; 11 } 12 13 void TopFunction(int *p) { 14 AnotherFunction(p); 15 } 16 17 void *Thread(void *x) { 18 barrier_wait(&barrier); 19 TopFunction(&Global); 20 return 0; 21 } 22 23 int main() { 24 barrier_init(&barrier, 2); 25 pthread_t t; 26 pthread_create(&t, 0, Thread, 0); 27 Global--; 28 barrier_wait(&barrier); 29 pthread_join(t, 0); 30 } 31 32 // CHECK: WARNING: ThreadSanitizer: data race 33
