forked from OSchip/llvm-project
30 lines
531 B
C++
30 lines
531 B
C++
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// RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
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#include "test.h"
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void *thread(void *x) {
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barrier_wait(&barrier);
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*static_cast<int *>(x) = 2;
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return nullptr;
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}
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static void race() {
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int data = 0;
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pthread_t t;
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pthread_create(&t, nullptr, thread, &data);
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data = 1;
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barrier_wait(&barrier);
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pthread_join(t, nullptr);
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}
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struct X {
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X() { atexit(race); }
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} x;
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int main() {
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barrier_init(&barrier, 2);
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fprintf(stderr, "DONE\n");
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}
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// CHECK: DONE
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// CHECK: WARNING: ThreadSanitizer: data race
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