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/*
* Copyright (c) 2011 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <config.h>
#include "timer.h"
#include "poll-loop.h"
#include "timeval.h"
/* Returns the number of milliseconds until 'timer' expires. */
long long int
timer_msecs_until_expired(const struct timer *timer)
{
switch (timer->t) {
case LLONG_MAX: return LLONG_MAX;
case LLONG_MIN: return 0;
default: return timer->t - time_msec();
}
}
/* Causes poll_block() to wake when 'timer' expires. */
void
(timer_wait)(const struct timer *timer, const char *where)
{
if (timer->t < LLONG_MAX) {
(poll_timer_wait_until)(timer->t, where);
}
}
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