| // RUN: %clangxx_tsan -O1 %s -o %t && %run %t | FileCheck %s |
| // Regtest for https://code.google.com/p/thread-sanitizer/issues/detail?id=40 |
| // This is a correct program and tsan should not report a race. |
| #include <pthread.h> |
| #include <unistd.h> |
| #include <stdio.h> |
| int g; |
| __attribute__((noinline)) |
| int foo(int cond) { |
| if (cond) |
| return g; |
| return 0; |
| } |
| void *Thread1(void *p) { |
| long res = foo((long)p); |
| sleep(1); |
| return (void*) res; |
| } |
| |
| int main() { |
| pthread_t t; |
| pthread_create(&t, 0, Thread1, 0); |
| g = 1; |
| pthread_join(t, 0); |
| printf("PASS\n"); |
| // CHECK: PASS |
| } |
