source: vendor/current/lib/tevent/tevent_wakeup.c

/*
   Unix SMB/CIFS implementation.
   Infrastructure for async requests
   Copyright (C) Volker Lendecke 2008
   Copyright (C) Stefan Metzmacher 2009

     ** NOTE! The following LGPL license applies to the tevent
     ** 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/

#include "replace.h"
#include "tevent.h"
#include "tevent_internal.h"
#include "tevent_util.h"

struct tevent_wakeup_state {
        struct timeval wakeup_time;
};

struct tevent_req *tevent_wakeup_send(TALLOC_CTX *mem_ctx,
                                      struct tevent_context *ev,
                                      struct timeval wakeup_time)
{
        struct tevent_req *req;
        struct tevent_wakeup_state *state;

        req = tevent_req_create(mem_ctx, &state,
                                struct tevent_wakeup_state);
        if (!req) {
                return NULL;
        }
        state->wakeup_time = wakeup_time;

        if (!tevent_req_set_endtime(req, ev, wakeup_time)) {
                return tevent_req_post(req, ev);
        }
        return req;
}

bool tevent_wakeup_recv(struct tevent_req *req)
{
        enum tevent_req_state state;
        uint64_t error;

        if (tevent_req_is_error(req, &state, &error)) {
                if (state == TEVENT_REQ_TIMED_OUT) {
                        return true;
                }
        }

        return false;
}