37 lines
813 B
C++
37 lines
813 B
C++
// RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
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// on_exit() is not available on Darwin.
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// UNSUPPORTED: darwin
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#include "test.h"
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volatile long global;
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void *thread(void *x) {
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global++;
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barrier_wait(&barrier);
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return nullptr;
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}
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void on_exit_callback(int status, void *arg) {
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fprintf(stderr, "on_exit_callback(%d, %lu)\n", status, (long)arg);
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global++;
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}
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int main() {
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on_exit(on_exit_callback, (void *)42l);
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barrier_init(&barrier, 2);
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pthread_t th;
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pthread_create(&th, nullptr, thread, nullptr);
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pthread_detach(th);
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barrier_wait(&barrier);
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return 2;
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}
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// CHECK: on_exit_callback(2, 42)
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// CHECK: WARNING: ThreadSanitizer: data race
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// CHECK: Write of size 8
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// CHECK: #0 on_exit_callback
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// CHECK: #1 on_exit_callback_installed_at
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// CHECK: #2 main
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