forked from OSchip/llvm-project
28 lines
637 B
C++
28 lines
637 B
C++
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// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
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#include "test.h"
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void *Thread(void *p) {
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*(int*)p = 42;
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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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int *p = new int(0);
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pthread_t t;
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pthread_create(&t, 0, Thread, p);
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barrier_wait(&barrier);
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AnnotateIgnoreReadsBegin(__FILE__, __LINE__);
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AnnotateIgnoreWritesBegin(__FILE__, __LINE__);
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free(p);
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AnnotateIgnoreReadsEnd(__FILE__, __LINE__);
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AnnotateIgnoreWritesEnd(__FILE__, __LINE__);
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pthread_join(t, 0);
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fprintf(stderr, "OK\n");
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return 0;
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}
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// CHECK-NOT: WARNING: ThreadSanitizer: data race
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// CHECK: OK
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