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54 lines
947 B
54 lines
947 B
3 months ago
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/*
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* UCW Library -- A Simple Millisecond Timer
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*
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* (c) 2007--2012 Martin Mares <mj@ucw.cz>
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*
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* This software may be freely distributed and used according to the terms
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* of the GNU Lesser General Public License.
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*/
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#include <ucw/lib.h>
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#include <ucw/time.h>
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#include <sys/time.h>
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#include <time.h>
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#ifdef CONFIG_UCW_MONOTONIC_CLOCK
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timestamp_t
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get_timestamp(void)
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{
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struct timespec ts;
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if (clock_gettime(CLOCK_MONOTONIC, &ts) < 0)
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die("clock_gettime failed: %m");
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return (timestamp_t)ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
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}
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#else
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timestamp_t
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get_timestamp(void)
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{
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struct timeval tv;
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gettimeofday(&tv, NULL);
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return (timestamp_t)tv.tv_sec * 1000 + tv.tv_usec / 1000
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#ifdef CONFIG_UCW_DEBUG
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+ 3141592653 // So that we catch all attempts to corelate timestamp_t with wall clock
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#endif
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;
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}
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#endif
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#ifdef TEST
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#include <stdio.h>
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int main(void)
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{
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printf("%ju\n", (intmax_t) get_timestamp());
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return 0;
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}
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#endif
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