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// RUN: %clangxx_tsan %s -o %t
// RUN: %run %t 2>&1 | FileCheck %s
// bench.h needs pthread barriers which are not available on OS X
// UNSUPPORTED: darwin
#include "bench.h"
pthread_mutex_t *mtx;
const int kStride = 16;
void thread(int tid) {
for (int i = 0; i < bench_niter; i++) {
pthread_mutex_lock(&mtx[tid * kStride]);
pthread_mutex_unlock(&mtx[tid * kStride]);
}
}
void bench() {
mtx = (pthread_mutex_t*)malloc(bench_nthread * kStride * sizeof(*mtx));
for (int i = 0; i < bench_nthread; i++) {
pthread_mutex_init(&mtx[i * kStride], 0);
pthread_mutex_lock(&mtx[i * kStride]);
pthread_mutex_unlock(&mtx[i * kStride]);
}
start_thread_group(bench_nthread, thread);
}
// CHECK: DONE
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