llvm-project/compiler-rt/test/tsan/bench_rwmutex.cc

29 lines
574 B
C++

// 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_rwlock_t mtx;
void thread(int tid) {
for (int i = 0; i < bench_niter; i++) {
pthread_rwlock_rdlock(&mtx);
pthread_rwlock_unlock(&mtx);
}
}
void bench() {
pthread_rwlock_init(&mtx, 0);
pthread_rwlock_wrlock(&mtx);
pthread_rwlock_unlock(&mtx);
pthread_rwlock_rdlock(&mtx);
pthread_rwlock_unlock(&mtx);
start_thread_group(bench_nthread, thread);
}
// CHECK: DONE