28 lines · cpp
1// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s2#include <pthread.h>3#include <stdlib.h>4#include <stdio.h>5 6struct P {7 int x;8 int y;9};10 11void *Thread(void *x) {12 static P p = {rand(), rand()};13 if (p.x > RAND_MAX || p.y > RAND_MAX)14 exit(1);15 return 0;16}17 18int main() {19 pthread_t t[2];20 pthread_create(&t[0], 0, Thread, 0);21 pthread_create(&t[1], 0, Thread, 0);22 pthread_join(t[0], 0);23 pthread_join(t[1], 0);24 fprintf(stderr, "PASS\n");25}26 27// CHECK-NOT: WARNING: ThreadSanitizer: data race28