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32 lines
650 B
32 lines
650 B
// RUN: %clang_tsan -O1 %s -o %t && %env_tsan_opts=suppressions='%s.supp' %run %t 2>&1 | FileCheck %s
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#include "test.h"
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int Global;
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void *Thread1(void *x) {
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Global = 42;
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barrier_wait(&barrier);
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return NULL;
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}
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void *Thread2(void *x) {
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barrier_wait(&barrier);
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Global = 43;
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return NULL;
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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[2];
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pthread_create(&t[0], NULL, Thread1, NULL);
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pthread_create(&t[1], NULL, Thread2, NULL);
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pthread_join(t[0], NULL);
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pthread_join(t[1], NULL);
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fprintf(stderr, "OK\n");
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return 0;
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}
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// CHECK-NOT: failed to open suppressions file
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// CHECK-NOT: WARNING: ThreadSanitizer: data race
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