1// RUN: %clangxx_tsan -O1 -DTEST_ERROR=ERANGE %s -o %t && %run %t 2>&1 | FileCheck --check-prefixes=CHECK,CHECK-SYS %s
2// RUN: %clangxx_tsan -O1 -DTEST_ERROR=-1 %s -o %t && not %run %t 2>&1 | FileCheck --check-prefixes=CHECK,CHECK-USER %s
3// This test is for GNU specific version of strerror_r()
4// UNSUPPORTED: darwin, netbsd, freebsd
5
6#include "test.h"
7
8#include <errno.h>
9#include <pthread.h>
10#include <string.h>
11
12char buffer[1000];
13
14void *Thread(void *p) {
15 barrier_wait(&barrier);
16 return strerror_r(TEST_ERROR, buffer, sizeof(buffer));
17}
18
19int main() {
20 barrier_init(&barrier, 2);
21 pthread_t th;
22 pthread_create(&th, 0, Thread, 0);
23 strerror_r(TEST_ERROR, buffer, sizeof(buffer));
24 barrier_wait(&barrier);
25 pthread_join(th, 0);
26 fprintf(stderr, "DONE\n");
27}
28
29// CHECK-USER: WARNING: ThreadSanitizer: data race
30// CHECK-SYS-NOT: WARNING: ThreadSanitizer: data race
31
32// CHECK: DONE
33