llvm-project
29 строк · 596.0 Байт
1// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t 2>&1 | FileCheck %s
2#include "test.h"3
4int Global;5
6void *Thread1(void *x) {7barrier_wait(&barrier);8Global++;9return NULL;10}
11
12void *Thread2(void *x) {13Global--;14barrier_wait(&barrier);15return NULL;16}
17
18int main() {19barrier_init(&barrier, 2);20pthread_t t[2];21pthread_create(&t[0], NULL, Thread1, NULL);22pthread_create(&t[1], NULL, Thread2, NULL);23pthread_join(t[0], NULL);24pthread_join(t[1], NULL);25return 0;26}
27
28// CHECK: WARNING: ThreadSanitizer: data race
29// CHECK: SUMMARY: ThreadSanitizer: data race{{.*}}Thread
30