| 1 | /*
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| 2 | * Copyright (c) 1993 George V. Neville-Neil
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | * 1. Redistributions of source code must retain the above copyright
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| 9 | * notice, this list of conditions and the following disclaimer.
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer in the
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| 12 | * documentation and/or other materials provided with the distribution.
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| 13 | * 3. The name, George Neville-Neil may not be used to endorse or promote
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| 14 | * products derived from this software without specific prior
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| 15 | * written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
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| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 27 | * SUCH DAMAGE.
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| 28 | */
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| 29 |
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| 30 | #ifndef _TIMING_H_
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| 31 | #define _TIMING_H_
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| 32 |
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| 33 | #ifdef TIME_WITH_SYS_TIME
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| 34 | #include <sys/time.h>
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| 35 | #include <time.h>
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| 36 | #else /* !TIME_WITH_SYS_TIME */
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| 37 | #ifdef HAVE_SYS_TIME_H
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| 38 | #include <sys/time.h>
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| 39 | #else /* !HAVE_SYS_TIME_H */
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| 40 | #include <time.h>
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| 41 | #endif /* !HAVE_SYS_TIME_H */
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| 42 | #endif /* !TIME_WITH_SYS_TIME */
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| 43 |
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| 44 | static struct timeval aftertp, beforetp;
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| 45 |
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| 46 | #define BEGINTIMING gettimeofday(&beforetp, NULL)
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| 47 |
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| 48 | #define ENDTIMING gettimeofday(&aftertp, NULL); \
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| 49 | if(beforetp.tv_usec > aftertp.tv_usec) \
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| 50 | { \
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| 51 | aftertp.tv_usec += 1000000; \
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| 52 | aftertp.tv_sec--; \
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| 53 | }
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| 54 |
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| 55 | #define TIMINGUS (((aftertp.tv_sec - beforetp.tv_sec) * 1000000) + \
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| 56 | (aftertp.tv_usec - beforetp.tv_usec))
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| 57 |
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| 58 | #define TIMINGMS (((aftertp.tv_sec - beforetp.tv_sec) * 1000) + \
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| 59 | ((aftertp.tv_usec - beforetp.tv_usec) / 1000))
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| 60 |
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| 61 | #define TIMINGS ((aftertp.tv_sec - beforetp.tv_sec) + \
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| 62 | (aftertp.tv_usec - beforetp.tv_usec) / 1000000)
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| 63 |
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| 64 | #endif /* _TIMING_H_ */
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