forked from OSchip/llvm-project
30 lines
570 B
C++
30 lines
570 B
C++
// RUN: echo "race_top:TopFunction" > %t.supp
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// RUN: %clangxx_tsan -O1 %s -o %t
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// RUN: %env_tsan_opts=suppressions='%t.supp' %run %t 2>&1 | FileCheck %s
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// RUN: rm %t.supp
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#include "test.h"
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int Global;
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void TopFunction(int *p) {
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*p = 1;
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}
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void *Thread(void *x) {
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barrier_wait(&barrier);
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TopFunction(&Global);
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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, Thread, 0);
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Global--;
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barrier_wait(&barrier);
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pthread_join(t, 0);
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fprintf(stderr, "DONE\n");
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}
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// CHECK-NOT: WARNING: ThreadSanitizer: data race
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