34 lines · cpp
1//===-- Implementation for Rwlock's destroy function ----------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "src/pthread/pthread_rwlock_destroy.h"10 11#include "src/__support/common.h"12#include "src/__support/macros/config.h"13#include "src/__support/threads/linux/rwlock.h"14 15#include <pthread.h>16 17namespace LIBC_NAMESPACE_DECL {18 19LLVM_LIBC_FUNCTION(int, pthread_rwlock_destroy, (pthread_rwlock_t * rwlock)) {20 if (!rwlock)21 return EINVAL;22 auto *rw = reinterpret_cast<RwLock *>(rwlock);23 RwLock::LockResult res = rw->check_for_destroy();24 25 // this is currently no-op, but we still call the destructor as a symmetry26 // to its constructor call;27 if (res == RwLock::LockResult::Success)28 rw->~RwLock();29 30 return static_cast<int>(res);31}32 33} // namespace LIBC_NAMESPACE_DECL34