| Elliott Hughes | cccfe1e | 2014-03-11 13:37:11 -0700 | [diff] [blame] | 1 | /* | 
 | 2 |  * Copyright (C) 2014 The Android Open Source Project | 
 | 3 |  * All rights reserved. | 
 | 4 |  * | 
 | 5 |  * Redistribution and use in source and binary forms, with or without | 
 | 6 |  * modification, are permitted provided that the following conditions | 
 | 7 |  * are met: | 
 | 8 |  *  * Redistributions of source code must retain the above copyright | 
 | 9 |  *    notice, this list of conditions and the following disclaimer. | 
 | 10 |  *  * Redistributions in binary form must reproduce the above copyright | 
 | 11 |  *    notice, this list of conditions and the following disclaimer in | 
 | 12 |  *    the documentation and/or other materials provided with the | 
 | 13 |  *    distribution. | 
 | 14 |  * | 
 | 15 |  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 
 | 16 |  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 
 | 17 |  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | 
 | 18 |  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | 
 | 19 |  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | 
 | 20 |  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | 
 | 21 |  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS | 
 | 22 |  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | 
 | 23 |  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | 
 | 24 |  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT | 
 | 25 |  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | 
 | 26 |  * SUCH DAMAGE. | 
 | 27 |  */ | 
 | 28 |  | 
 | 29 | #include <time.h> | 
 | 30 | #include <sys/sysconf.h> | 
 | 31 | #include <sys/times.h> | 
 | 32 |  | 
 | 33 | // http://pubs.opengroup.org/onlinepubs/9699919799/functions/clock.html | 
 | 34 | clock_t clock() { | 
 | 35 |   tms t; | 
 | 36 |   times(&t); | 
 | 37 |   return (t.tms_utime + t.tms_stime) * (CLOCKS_PER_SEC / sysconf(_SC_CLK_TCK)); | 
 | 38 | } |