hanchenye-llvm-project/compiler-rt/test/tsan/bench_ten_mutexes.cc

27 lines
494 B
C++

// RUN: %clangxx_tsan %s -o %t
// RUN: %t 2>&1 | FileCheck %s
#include "bench.h"
const int kMutex = 10;
pthread_mutex_t mtx[kMutex];
void thread(int tid) {
for (int i = 0; i < bench_niter; i++) {
int idx = (i % kMutex);
if (tid == 0)
idx = kMutex - idx - 1;
pthread_mutex_lock(&mtx[idx]);
pthread_mutex_unlock(&mtx[idx]);
}
}
void bench() {
for (int i = 0; i < kMutex; i++)
pthread_mutex_init(&mtx[i], 0);
start_thread_group(2, thread);
}
// CHECK: DONE