lib/tsan/lit_tests/halt_on_error.cc

   1 // RUN: %clang_tsan -O1 %s -o %t && TSAN_OPTIONS="$TSAN_OPTIONS halt_on_error=1" not %t 2>&1 | FileCheck %s
   2 #include <pthread.h>
   3 #include <stdio.h>
   4
   5 int X;
   6
   7 void *Thread(void *x) {
   8   X = 42;
   9   return 0;
  10 }
  11
  12 int main() {
  13   fprintf(stderr, "BEFORE\n");
  14   pthread_t t;
  15   pthread_create(&t, 0, Thread, 0);
  16   X = 43;
  17   pthread_join(t, 0);
  18   fprintf(stderr, "AFTER\n");
  19   return 0;
  20 }
  21
  22 // CHECK: BEFORE
  23 // CHECK: WARNING: ThreadSanitizer: data race
  24 // CHECK-NOT: AFTER
  25