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3ab6b2347e
Even sleep(1) lead to episodical flakes on some machines. Use an invisible by tsan barrier to enforce required execution order instead. This makes the tests deterministic and faster. llvm-svn: 226659
31 lines
478 B
C++
31 lines
478 B
C++
// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
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#include "test.h"
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volatile int X;
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void *Thread1(void *x) {
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barrier_wait(&barrier);
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X = 42;
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X = 66;
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X = 78;
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return 0;
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}
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void *Thread2(void *x) {
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X = 11;
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X = 99;
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X = 73;
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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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pthread_t t;
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pthread_create(&t, 0, Thread1, 0);
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Thread2(0);
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pthread_join(t, 0);
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}
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// CHECK: ThreadSanitizer: reported 1 warnings
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