// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s #include "test.h" char s[] = "abracadabra"; void *Thread0(void *p) { puts(s); barrier_wait(&barrier); return 0; } void *Thread1(void *p) { barrier_wait(&barrier); s[3] = 'z'; return 0; } int main() { barrier_init(&barrier, 2); pthread_t th[2]; pthread_create(&th[0], 0, Thread0, 0); pthread_create(&th[1], 0, Thread1, 0); pthread_join(th[0], 0); pthread_join(th[1], 0); fprintf(stderr, "DONE"); } // CHECK: WARNING: ThreadSanitizer: data race // CHECK: DONE