1// RUN: %clangxx_tsan -O1 %s -o %t && %t 2>&1 | FileCheck %s 2#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 printf("PASS\n"); 25} 26 27// CHECK-NOT: WARNING: ThreadSanitizer: data race 28