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34 lines
692 B
34 lines
692 B
// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
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#include "test.h"
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int fds[2];
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void *Thread1(void *x) {
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write(fds[1], "a", 1);
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barrier_wait(&barrier);
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return NULL;
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}
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void *Thread2(void *x) {
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barrier_wait(&barrier);
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close(fds[0]);
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close(fds[1]);
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return NULL;
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}
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int main() {
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barrier_init(&barrier, 2);
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pipe(fds);
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pthread_t t[2];
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pthread_create(&t[0], NULL, Thread1, NULL);
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pthread_create(&t[1], NULL, Thread2, NULL);
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pthread_join(t[0], NULL);
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pthread_join(t[1], NULL);
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}
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// CHECK: WARNING: ThreadSanitizer: data race
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// CHECK: Location is file descriptor {{[0-9]+}} created by main thread at:
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// CHECK: #0 pipe
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// CHECK: #1 main
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