compiler-rt/test/tsan/atexit2.cpp

   1 // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
   2
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5
   6 int n;
   7 const int N = 10000;
   8
   9 static void atexit1() {
  10   n++;
  11 }
  12
  13 static void atexit0() {
  14   fprintf(stderr, "run count: %d\n", n);
  15 }
  16
  17 int main() {
  18   atexit(atexit0);
  19   for (int i = 0; i < N; i++)
  20     atexit(atexit1);
  21 }
  22
  23 // CHECK-NOT: FATAL: ThreadSanitizer
  24 // CHECK-NOT: WARNING: ThreadSanitizer
  25 // CHECK: run count: 10000
  26