| // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s | |
| #include <stdio.h> | |
| #include <stdlib.h> | |
| int n; | |
| const int N = 10000; | |
| static void atexit1() { | |
| n++; | |
| } | |
| static void atexit0() { | |
| fprintf(stderr, "run count: %d\n", n); | |
| } | |
| int main() { | |
| atexit(atexit0); | |
| for (int i = 0; i < N; i++) | |
| atexit(atexit1); | |
| } | |
| // CHECK-NOT: FATAL: ThreadSanitizer | |
| // CHECK-NOT: WARNING: ThreadSanitizer | |
| // CHECK: run count: 10000 | |