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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_ */ |