/*
 * .============.
 * // M A K E / \
 * // C++ DEV / \
 * // E A S Y / \/ \
 * ++ ----------. \/\ .
 * \\ \ \ /\ /
 * \\ \ \ /
 * \\ \ \ /
 * -============'
 *
 * Copyright (c) 2018 Hevake and contributors, all rights reserved.
 *
 * This file is part of cpp-tbox (https://github.com/cpp-main/cpp-tbox)
 * Use of this source code is governed by MIT license that can be found
 * in the LICENSE file in the root of the source tree. All contributing
 * project authors may be found in the CONTRIBUTORS.md file in the root
 * of the source tree.
 */
#include "misc.h"

#include <fcntl.h>
#include <errno.h>
#include <unistd.h>
#include <sys/eventfd.h>

#include <tbox/base/log.h>

namespace tbox {
namespace event {

bool CreateFdPair(int &read_fd, int &write_fd)
{
 int fds[2] = { 0 };
 if (pipe2(fds, O_CLOEXEC | O_NONBLOCK) != 0) { //!FIXME
 LogErr("pip2() fail, ret:%d", errno);
 return false;
 }

 read_fd = fds[0];
 write_fd = fds[1];
 return true;
}

int CreateEventFd()
{
 int evtfd = ::eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
 if (evtfd < 0)
 LogErr("eventfd fail, ret:%d", errno);
 return evtfd;
}

}
}