// RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s | |
#include "test.h" | |
void *thread(void *x) { | |
barrier_wait(&barrier); | |
*static_cast<int *>(x) = 2; | |
return nullptr; | |
} | |
static void race() { | |
int data = 0; | |
pthread_t t; | |
pthread_create(&t, nullptr, thread, &data); | |
data = 1; | |
barrier_wait(&barrier); | |
pthread_join(t, nullptr); | |
} | |
struct X { | |
X() { atexit(race); } | |
} x; | |
int main() { | |
barrier_init(&barrier, 2); | |
fprintf(stderr, "DONE\n"); | |
} | |
// CHECK: DONE | |
// CHECK: WARNING: ThreadSanitizer: data race |