37 lines · cpp
1// RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s2 3// on_exit() is not available on Darwin.4// UNSUPPORTED: darwin5 6#include "test.h"7 8volatile long global;9 10void *thread(void *x) {11 global++;12 barrier_wait(&barrier);13 return nullptr;14}15 16void on_exit_callback(int status, void *arg) {17 fprintf(stderr, "on_exit_callback(%d, %lu)\n", status, (long)arg);18 global++;19}20 21int main() {22 on_exit(on_exit_callback, (void *)42l);23 barrier_init(&barrier, 2);24 pthread_t th;25 pthread_create(&th, nullptr, thread, nullptr);26 pthread_detach(th);27 barrier_wait(&barrier);28 return 2;29}30 31// CHECK: on_exit_callback(2, 42)32// CHECK: WARNING: ThreadSanitizer: data race33// CHECK: Write of size 834// CHECK: #0 on_exit_callback35// CHECK: #1 on_exit_callback_installed_at36// CHECK: #2 main37