30 lines · cpp
1// RUN: echo "race_top:TopFunction" > %t.supp2// RUN: %clangxx_tsan -O1 %s -o %t3// RUN: %env_tsan_opts=suppressions='%t.supp' %run %t 2>&1 | FileCheck %s4// RUN: rm %t.supp5#include "test.h"6 7int Global;8 9__attribute__((noinline)) void TopFunction(int *p) {10 *p = 1;11}12 13void *Thread(void *x) {14 barrier_wait(&barrier);15 TopFunction(&Global);16 return 0;17}18 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 race30