Ben Pfaff
6b617bac12
This makes it easier to install the headers, or to use them directly from another software package with -I$(openflow)/include, without invading the top-level include file namespace.
67 lines
2.6 KiB
C
67 lines
2.6 KiB
C
/* Copyright (c) 2008 The Board of Trustees of The Leland Stanford
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* Junior University
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*
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* We are making the OpenFlow specification and associated documentation
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* (Software) available for public use and benefit with the expectation
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* that others will use, modify and enhance the Software and contribute
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* those enhancements back to the community. However, since we would
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* like to make the Software available for broadest use, with as few
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* restrictions as possible permission is hereby granted, free of
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* charge, to any person obtaining a copy of this Software to deal in
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* the Software under the copyrights without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* The name and trademarks of copyright holder(s) may NOT be used in
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* advertising or publicity pertaining to the Software or any
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* derivatives without specific, written prior permission.
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*/
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#ifndef TIMEVAL_H
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#define TIMEVAL_H 1
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#include <time.h>
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#include "type-props.h"
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#include "util.h"
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struct pollfd;
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/* POSIX allows floating-point time_t, but we don't support it. */
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BUILD_ASSERT_DECL(TYPE_IS_INTEGER(time_t));
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/* We do try to cater to unsigned time_t, but I want to know about it if we
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* ever encounter such a platform. */
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BUILD_ASSERT_DECL(TYPE_IS_SIGNED(time_t));
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#define TIME_MAX TYPE_MAXIMUM(time_t)
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#define TIME_MIN TYPE_MINIMUM(time_t)
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/* Interval between updates to the time reported by time_gettimeofday(), in ms.
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* This should not be adjusted much below 10 ms or so with the current
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* implementation, or too much time will be wasted in signal handlers and calls
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* to time(0). */
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#define TIME_UPDATE_INTERVAL 100
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void time_init(void);
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void time_refresh(void);
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time_t time_now(void);
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long long int time_msec(void);
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void time_alarm(unsigned int secs);
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int time_poll(struct pollfd *, int n_pollfds, int timeout);
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#endif /* timeval.h */
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