/*

   Unix SMB/CIFS implementation.

   Wrap unix errno around tevent_req

   Copyright (C) Volker Lendecke 2009

     ** NOTE! The following LGPL license applies to the tevent_unix

     ** helper library. This does NOT imply that all of Samba is released

     ** under the LGPL

   This library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 3 of the License, or (at your option) any later version.

   This library 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

   Library General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.

*/

#include "../replace/replace.h"

#include "tevent_unix.h"

bool tevent_req_is_unix_error(struct tevent_req *req, int *perrno)

{

  enum tevent_req_state state;

  uint64_t err;

  if (!tevent_req_is_error(req, &state, &err)) {

    return false;

  }

  switch (state) {

  case TEVENT_REQ_TIMED_OUT:

    *perrno = ETIMEDOUT;

    break;

  case TEVENT_REQ_NO_MEMORY:

    *perrno = ENOMEM;

    break;

  case TEVENT_REQ_USER_ERROR:

    *perrno = err;

    break;

  default:

    *perrno = EINVAL;

    break;

  }

  return true;

}

int tevent_req_simple_recv_unix(struct tevent_req *req)

{

  int err = 0;

  /*

   * Ignore result of tevent_req_is_unix_error, we're only interested in

   * the status

   */

  tevent_req_is_unix_error(req, &err);

  tevent_req_received(req);

  return err;

}

bool tevent_req_poll_unix(struct tevent_req *req, struct tevent_context *ev,

        int *err)

{

  bool ret = tevent_req_poll(req, ev);

  if (!ret) {

    *err = errno;

  }

  return ret;

}