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/*************************************************************************
* Copyright (C) 2008 Tavian Barnes <tavianator@gmail.com> *
* *
* This file is part of The Sandglass Library. *
* *
* The Sandglass Library is free software; you can redistribute it *
* and/or modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either version *
* 3 of the License, or (at your option) any later version. *
* *
* The Sandglass Library is distributed in the hope that it will be *
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this program. If not, see *
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
#include "../src/sandglass-impl.h"
#include "../src/sandglass.h"
#include <unistd.h>
#include <time.h>
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
int
main()
{
int i = 0;
sandglass_t sandglass;
struct timespec tosleep = { .tv_sec = 0, .tv_nsec = 111111111L };
if (sandglass_init_monotonic(&sandglass, SANDGLASS_SYSTEM) != 0) {
perror("sandglass_init_monotonic()");
return EXIT_FAILURE;
}
sandglass_bench_noprecache(&sandglass, {
sandglass_spin(&tosleep);
++i;
});
if (i != 1) {
fprintf(stderr,
"sandglass_bench_noprecache() evaluated routine %d times!\n", i);
return EXIT_FAILURE;
}
printf("%.15g\n", sandglass.grains/sandglass.freq);
return EXIT_SUCCESS;
}
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