/*** $Id: sockio.c,v 1.8 2003/09/04 03:46:47 weiym Exp $**** sockio.c: routines for socket i/o.**** Copyright (C) 2003 Feynman Software.** Copyright (C) 2002 ~ 2002 Wei Yongming.**** Current maintainer: Wei Yongming.**** Create date: 2000/12/26*//*** 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*//*** TODO:*/ #include <sys/types.h>#include <sys/socket.h>#include <sys/stat.h>#include <sys/un.h>#include <stdio.h>#include <string.h>#include <unistd.h>#include <errno.h>#include "common.h"#include "minigui.h"#include "ourhdr.h"#include "sharedres.h"#include "sockio.h"int sock_write_t (int fd, const void* buff, int count, unsigned int timeout){    const void* pts = buff;    int status = 0, n;    unsigned int start_tick = SHAREDRES_TIMER_COUNTER;    if (count < 0) return SOCKERR_OK;    while (status != count) {        n = write (fd, pts + status, count - status);        if (n < 0) {            if (errno == EPIPE)                return SOCKERR_CLOSED;            else if (errno == EINTR) {                if (timeout && (SHAREDRES_TIMER_COUNTER > start_tick + timeout))                    return SOCKERR_TIMEOUT;                continue;            }            else                return SOCKERR_IO;        }        status += n;    }    return status;}int sock_read_t (int fd, void* buff, int count, unsigned int timeout){    void* pts = buff;    int status = 0, n;    unsigned int start_tick = SHAREDRES_TIMER_COUNTER;    if (count <= 0) return SOCKERR_OK;    while (status != count) {        n = read (fd, pts + status, count - status);        if (n < 0) {            if (errno == EINTR) {                if (timeout && (SHAREDRES_TIMER_COUNTER > start_tick + timeout))                    return SOCKERR_TIMEOUT;                continue;            }            else                return SOCKERR_IO;        }        if (n == 0)            return SOCKERR_CLOSED;        status += n;    }    return status;}