/* * Copyright (c) 2009 Apple Inc. All Rights Reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ // // kq++ - kqueue/kevent interface // #include <security_utilities/kq++.h> namespace Security { namespace UnixPlusPlus { KQueue::KQueue() { UnixError::check(mQueue = ::kqueue()); } KQueue::~KQueue() { UnixError::check(::close(mQueue)); } unsigned KQueue::operator () (const KEvent *updates, unsigned updateCount, KEvent *events, unsigned eventCount, const timespec *timeout) { int rc = ::kevent64(mQueue, updates, updateCount, events, eventCount, 0, timeout); UnixError::check(rc); assert(rc >= 0); return rc; } void KQueue::update(const KEvent &event, unsigned flags) { KEvent ev = event; ev.flags = flags; (*this)(&event, 1, NULL, NULL); } bool KQueue::receive(KEvent &event, const timespec *timeout) { return (*this)(&event, 1, timeout) > 0; } } // end namespace UnixPlusPlus } // end namespace Security