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| // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
| // Regtest for https://github.com/google/sanitizers/issues/447
| // This is a correct program and tsan should not report a race.
| #include "test.h"
|
| int g;
| __attribute__((noinline))
| int foo(int cond) {
| if (cond)
| return g;
| return 0;
| }
|
| void *Thread1(void *p) {
| barrier_wait(&barrier);
| long res = foo((long)p);
| return (void*) res;
| }
|
| int main() {
| barrier_init(&barrier, 2);
| pthread_t t;
| pthread_create(&t, 0, Thread1, 0);
| g = 1;
| barrier_wait(&barrier);
| pthread_join(t, 0);
| fprintf(stderr, "PASS\n");
| // CHECK-NOT: ThreadSanitizer: data race
| // CHECK: PASS
| }
|
|
