You've already forked linux-packaging-mono
40 lines
865 B
C++
40 lines
865 B
C++
// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
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// CHECK-NOT: unlock of unlocked mutex
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// CHECK: ThreadSanitizer: data race
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// CHECK: pthread_cond_signal
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#include "test.h"
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struct Ctx {
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pthread_mutex_t m;
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pthread_cond_t c;
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bool done;
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};
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void *thr(void *p) {
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Ctx *c = (Ctx*)p;
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pthread_mutex_lock(&c->m);
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c->done = true;
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pthread_mutex_unlock(&c->m);
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pthread_cond_signal(&c->c);
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barrier_wait(&barrier);
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return 0;
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}
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int main() {
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barrier_init(&barrier, 2);
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Ctx *c = new Ctx();
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pthread_mutex_init(&c->m, 0);
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pthread_cond_init(&c->c, 0);
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pthread_t th;
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pthread_create(&th, 0, thr, c);
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pthread_mutex_lock(&c->m);
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while (!c->done)
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pthread_cond_wait(&c->c, &c->m);
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pthread_mutex_unlock(&c->m);
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// otherwise it can be reported as use-after-free
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barrier_wait(&barrier);
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delete c;
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pthread_join(th, 0);
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}
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