posix.cc

来自「Linux下比较早的基于命令行的DVD播放器」· CC 代码 · 共 66 行

//
// Copyright (c) 2002 by Istv醤 V醨adi
//
// This file is part of dxr3Player, a DVD player written specifically 
// for the DXR3 (aka Hollywood+) decoder card.

// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

//------------------------------------------------------------------------------

#include "POSIX.h"
#include "Log.h"

#include <cstdlib>
#include <cstdio>
#include <cstring>

#include <sys/errno.h>

//------------------------------------------------------------------------------

void POSIX::abort(const char* errorMessage, va_list& ap)
{
    char errorBuf[128];
    const char* errorStr = strerror_r(errno, errorBuf, sizeof(errorBuf));

    Log::log(Log::FATAL, errorMessage, ap);
    Log::cont(": %s (%d)\n", errorStr, errno);

    ::abort();
}

//------------------------------------------------------------------------------

int POSIX::select(int n, fd_set* readfds, fd_set* writefds,
                  fd_set* exceptfds, struct timeval* timeout,
                  const char* errorMessage, ...)
{
    va_list ap;
    va_start(ap, errorMessage);

    while(true) {
        int res = ::select(n, readfds, writefds, exceptfds,
                           timeout);
        if ( (res<0 && errno!=EINTR) || res>=0) {
            return handleResult(res, errorMessage, ap);
        } else {
            perror("select");
        }
    }
}

//------------------------------------------------------------------------------