| 1 | // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s |
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| 2 | #include <pthread.h> |
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| 3 | #include <stdint.h> |
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| 4 | #include <stdio.h> |
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| 5 | |
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| 6 | typedef int32_t OSSpinLock; |
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| 7 | extern "C" void OSSpinLockLock(OSSpinLock *); |
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| 8 | extern "C" void OSSpinLockUnlock(OSSpinLock *); |
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| 9 | |
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| 10 | int Global; |
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| 11 | OSSpinLock lock; |
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| 12 | |
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| 13 | void *Thread(void *x) { |
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| 14 | OSSpinLockLock(&lock); |
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| 15 | Global++; |
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| 16 | OSSpinLockUnlock(&lock); |
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| 17 | return NULL; |
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| 18 | } |
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| 19 | |
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| 20 | int main() { |
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| 21 | fprintf(stderr, format: "Hello world.\n" ); |
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| 22 | |
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| 23 | pthread_t t[2]; |
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| 24 | pthread_create(newthread: &t[0], NULL, start_routine: Thread, NULL); |
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| 25 | pthread_create(newthread: &t[1], NULL, start_routine: Thread, NULL); |
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| 26 | pthread_join(th: t[0], NULL); |
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| 27 | pthread_join(th: t[1], NULL); |
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| 28 | |
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| 29 | fprintf(stderr, format: "Done.\n" ); |
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| 30 | } |
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| 31 | |
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| 32 | // CHECK: Hello world. |
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| 33 | // CHECK: Done. |
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| 34 | // CHECK-NOT: WARNING: ThreadSanitizer |
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| 35 | |
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