compiler-rt/test/tsan/strerror_r.cpp

   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, target={{.*(netbsd|freebsd).*}}
   5
   6 #include "test.h"
   7
   8 #include <errno.h>
   9 #include <pthread.h>
  10 #include <string.h>
  11
  12 char buffer[1000];
  13
  14 void *Thread(void *p) {
  15   barrier_wait(&barrier);
  16   return strerror_r(TEST_ERROR, buffer, sizeof(buffer));
  17 }
  18
  19 int 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