/**
 * Copyright 2012 10gen Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#ifndef _WIN32
#include <sys/poll.h>
#else
#if defined(NTDDI_VERSION) && (!defined(NTDDI_VISTA) || (NTDDI_VERSION < NTDDI_VISTA))
// These are only defined in winsock2.h on newer windows but we need them everywhere.
#define POLLRDNORM 0x0100
#define POLLRDBAND 0x0200
#define POLLIN (POLLRDNORM | POLLRDBAND)
#define POLLPRI 0x0400

#define POLLWRNORM 0x0010
#define POLLOUT (POLLWRNORM)
#define POLLWRBAND 0x0020

#define POLLERR 0x0001
#define POLLHUP 0x0002
#define POLLNVAL 0x0004

struct pollfd {
    SOCKET fd;
    SHORT events;
    SHORT revents;
};
#endif  // old windows
#endif  // ndef _WIN32

namespace mongo {
bool isPollSupported();
int socketPoll(pollfd* fdarray, unsigned long nfds, int timeout);
}
