// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s #include <pthread.h> #include <stdlib.h> #include <stdio.h> struct P { int x; int y; }; void *Thread(void *x) { static P p = {rand(), rand()}; if (p.x > RAND_MAX || p.y > RAND_MAX) exit(1); return 0; } int main() { pthread_t t[2]; pthread_create(&t[0], 0, Thread, 0); pthread_create(&t[1], 0, Thread, 0); pthread_join(t[0], 0); pthread_join(t[1], 0); fprintf(stderr, "PASS\n"); } // CHECK-NOT: WARNING: ThreadSanitizer: data race