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https://github.com/openvswitch/ovs
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8f3676cfce
Required to expose headers which depend on SOURCE_LOCATOR Signed-off-by: Thomas Graf <tgraf@noironetworks.com> Acked-by: Ben Pfaff <blp@nicira.com>
75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
/*
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* Copyright (c) 2011, 2013 Nicira, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef TIMER_H
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#define TIMER_H 1
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#include <stdbool.h>
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#include "timeval.h"
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#include "util.h"
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struct timer {
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long long int t;
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};
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long long int timer_msecs_until_expired(const struct timer *);
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void timer_wait_at(const struct timer *, const char *where);
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#define timer_wait(timer) timer_wait_at(timer, OVS_SOURCE_LOCATOR)
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/* Causes 'timer' to expire when 'duration' milliseconds have passed.
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*
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* May be used to initialize 'timer'. */
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static inline void
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timer_set_duration(struct timer *timer, long long int duration)
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{
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timer->t = time_msec() + duration;
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}
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/* Causes 'timer' never to expire.
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*
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* May be used to initialize 'timer'. */
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static inline void
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timer_set_infinite(struct timer *timer)
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{
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timer->t = LLONG_MAX;
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}
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/* Causes 'timer' to expire immediately.
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*
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* May be used to initialize 'timer'. */
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static inline void
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timer_set_expired(struct timer *timer)
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{
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timer->t = LLONG_MIN;
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}
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/* True if 'timer' has expired. */
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static inline bool
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timer_expired(const struct timer *timer)
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{
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return time_msec() >= timer->t;
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}
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/* Returns ture if 'timer' will never expire. */
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static inline bool
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timer_is_infinite(const struct timer *timer)
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{
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return timer->t == LLONG_MAX;
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}
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#endif /* timer.h */
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