30 lines
589 B
C++
30 lines
589 B
C++
// RUN: %clangxx_tsan %s -o %t
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// RUN: %run %t 2>&1 | FileCheck %s
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// bench.h needs pthread barriers which are not available on OS X
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// UNSUPPORTED: darwin
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#include "bench.h"
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const int kMutex = 10;
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pthread_mutex_t mtx[kMutex];
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void thread(int tid) {
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for (int i = 0; i < bench_niter; i++) {
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int idx = (i % kMutex);
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if (tid == 0)
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idx = kMutex - idx - 1;
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pthread_mutex_lock(&mtx[idx]);
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pthread_mutex_unlock(&mtx[idx]);
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}
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}
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void bench() {
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for (int i = 0; i < kMutex; i++)
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pthread_mutex_init(&mtx[i], 0);
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start_thread_group(2, thread);
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}
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// CHECK: DONE
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