compiler-rt/test/tsan/race_top_suppression.cpp

   1 // RUN: echo "race_top:TopFunction" > %t.supp
   2 // RUN: %clangxx_tsan -O1 %s -o %t
   3 // RUN: %env_tsan_opts=suppressions='%t.supp' %run %t 2>&1 | FileCheck %s
   4 // RUN: rm %t.supp
   5 #include "test.h"
   6
   7 int Global;
   8
   9 __attribute__((noinline)) void TopFunction(int *p) {
  10   *p = 1;
  11 }
  12
  13 void *Thread(void *x) {
  14   barrier_wait(&barrier);
  15   TopFunction(&Global);
  16   return 0;
  17 }
  18
  19 int main() {
  20   barrier_init(&barrier, 2);
  21   pthread_t t;
  22   pthread_create(&t, 0, Thread, 0);
  23   Global--;
  24   barrier_wait(&barrier);
  25   pthread_join(t, 0);
  26   fprintf(stderr, "DONE\n");
  27 }
  28
  29 // CHECK-NOT: WARNING: ThreadSanitizer: data race