forked from OSchip/llvm-project
30 lines
568 B
C++
30 lines
568 B
C++
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// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
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#include "test.h"
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char s[] = "abracadabra";
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void *Thread0(void *p) {
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fputs(s, stdout);
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barrier_wait(&barrier);
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return 0;
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}
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void *Thread1(void *p) {
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barrier_wait(&barrier);
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s[3] = 'z';
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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 th[2];
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pthread_create(&th[0], 0, Thread0, 0);
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pthread_create(&th[1], 0, Thread1, 0);
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pthread_join(th[0], 0);
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pthread_join(th[1], 0);
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fprintf(stderr, "DONE");
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}
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// CHECK: WARNING: ThreadSanitizer: data race
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// CHECK: DONE
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