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// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
#include <pthread.h>
#include <stdio.h>
typedef int32_t OSSpinLock;
extern "C" void OSSpinLockLock(OSSpinLock *);
extern "C" void OSSpinLockUnlock(OSSpinLock *);
int Global;
OSSpinLock lock;
void *Thread(void *x) {
OSSpinLockLock(&lock);
Global++;
OSSpinLockUnlock(&lock);
return NULL;
}
int main() {
fprintf(stderr, "Hello world.\n");
pthread_t t[2];
pthread_create(&t[0], NULL, Thread, NULL);
pthread_create(&t[1], NULL, Thread, NULL);
pthread_join(t[0], NULL);
pthread_join(t[1], NULL);
fprintf(stderr, "Done.\n");
}
// CHECK: Hello world.
// CHECK: Done.
// CHECK-NOT: WARNING: ThreadSanitizer
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