text: /*
   * Copyright (c) 2008, XenSource Inc.
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *     * Redistributions of source code must retain the above copyright
   *       notice, this list of conditions and the following disclaimer.
   *     * Redistributions in binary form must reproduce the above copyright
   *       notice, this list of conditions and the following disclaimer in the
   *       documentation and/or other materials provided with the distribution.
   *     * Neither the name of XenSource Inc. nor the names of its contributors
   *       may be used to endorse or promote products derived from this software
   *       without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
   * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifdef HAVE_CONFIG_H
  #include "config.h"
  #endif
  
  #include <stdio.h>
  #include <errno.h>
  #include <stdlib.h>
  #include <unistd.h>
  #include <string.h>
  
  #include "tap-ctl.h"
  
  int
  tap_ctl_pause(const int id, const int minor, struct timeval *timeout)
  {
  	int err;
  	tapdisk_message_t message;
  
  	memset(&message, 0, sizeof(message));
  	message.type = TAPDISK_MESSAGE_PAUSE;
  	message.cookie = minor;
  
  	err = tap_ctl_connect_send_and_receive(id, &message, timeout);
  	if (err)
  		return err;
  
  	if (message.type == TAPDISK_MESSAGE_PAUSE_RSP)
  		err = message.u.response.error;
  	else {
  		err = EINVAL;
  		EPRINTF("got unexpected result '%s' from %d\n",
  			tapdisk_message_name(message.type), id);
  	}
  
  	return err;
  }
  