1*bcaeed49SFangrui Song // RUN: %clangxx_tsan -O1 -DTEST_ERROR=ERANGE %s -o %t && %run %t 2>&1 | FileCheck --check-prefixes=CHECK,CHECK-SYS %s
2*bcaeed49SFangrui Song // RUN: %clangxx_tsan -O1 -DTEST_ERROR=-1 %s -o %t && not %run %t 2>&1 | FileCheck --check-prefixes=CHECK,CHECK-USER %s
3*bcaeed49SFangrui Song // This test is for GNU specific version of strerror_r()
4*bcaeed49SFangrui Song // UNSUPPORTED: darwin, netbsd, freebsd
5*bcaeed49SFangrui Song
6*bcaeed49SFangrui Song #include "test.h"
7*bcaeed49SFangrui Song
8*bcaeed49SFangrui Song #include <errno.h>
9*bcaeed49SFangrui Song #include <pthread.h>
10*bcaeed49SFangrui Song #include <string.h>
11*bcaeed49SFangrui Song
12*bcaeed49SFangrui Song char buffer[1000];
13*bcaeed49SFangrui Song
Thread(void * p)14*bcaeed49SFangrui Song void *Thread(void *p) {
15*bcaeed49SFangrui Song barrier_wait(&barrier);
16*bcaeed49SFangrui Song return strerror_r(TEST_ERROR, buffer, sizeof(buffer));
17*bcaeed49SFangrui Song }
18*bcaeed49SFangrui Song
main()19*bcaeed49SFangrui Song int main() {
20*bcaeed49SFangrui Song barrier_init(&barrier, 2);
21*bcaeed49SFangrui Song pthread_t th;
22*bcaeed49SFangrui Song pthread_create(&th, 0, Thread, 0);
23*bcaeed49SFangrui Song strerror_r(TEST_ERROR, buffer, sizeof(buffer));
24*bcaeed49SFangrui Song barrier_wait(&barrier);
25*bcaeed49SFangrui Song pthread_join(th, 0);
26*bcaeed49SFangrui Song fprintf(stderr, "DONE\n");
27*bcaeed49SFangrui Song }
28*bcaeed49SFangrui Song
29*bcaeed49SFangrui Song // CHECK-USER: WARNING: ThreadSanitizer: data race
30*bcaeed49SFangrui Song // CHECK-SYS-NOT: WARNING: ThreadSanitizer: data race
31*bcaeed49SFangrui Song
32*bcaeed49SFangrui Song // CHECK: DONE
33