2014-05-01 05:34:17 +08:00
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// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
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2013-06-20 22:32:12 +08:00
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#include <pthread.h>
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#include <stdio.h>
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#include <unistd.h>
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int pipes[2];
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void *Thread(void *x) {
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// wait for shutown signal
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while (read(pipes[0], &x, 1) != 1) {
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}
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close(pipes[0]);
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close(pipes[1]);
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return 0;
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}
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int main() {
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if (pipe(pipes))
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return 1;
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pthread_t t;
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pthread_create(&t, 0, Thread, 0);
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// send shutdown signal
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while (write(pipes[1], &t, 1) != 1) {
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}
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pthread_join(t, 0);
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printf("OK\n");
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}
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// CHECK-NOT: WARNING: ThreadSanitizer: data race
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// CHECK: OK
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