65 lines
2.4 KiB
C
65 lines
2.4 KiB
C
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/*
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* Copyright (c) 1993 George V. Neville-Neil
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name, George Neville-Neil may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _TIMING_H_
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#define _TIMING_H_
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#ifdef TIME_WITH_SYS_TIME
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#include <sys/time.h>
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#include <time.h>
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#else /* !TIME_WITH_SYS_TIME */
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#else /* !HAVE_SYS_TIME_H */
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#include <time.h>
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#endif /* !HAVE_SYS_TIME_H */
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#endif /* !TIME_WITH_SYS_TIME */
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static struct timeval aftertp, beforetp;
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#define BEGINTIMING gettimeofday(&beforetp, NULL)
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#define ENDTIMING gettimeofday(&aftertp, NULL); \
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if(beforetp.tv_usec > aftertp.tv_usec) \
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{ \
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aftertp.tv_usec += 1000000; \
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aftertp.tv_sec--; \
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}
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#define TIMINGUS (((aftertp.tv_sec - beforetp.tv_sec) * 1000000) + \
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(aftertp.tv_usec - beforetp.tv_usec))
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#define TIMINGMS (((aftertp.tv_sec - beforetp.tv_sec) * 1000) + \
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((aftertp.tv_usec - beforetp.tv_usec) / 1000))
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#define TIMINGS ((aftertp.tv_sec - beforetp.tv_sec) + \
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(aftertp.tv_usec - beforetp.tv_usec) / 1000000)
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#endif /* _TIMING_H_ */
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