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