glibc/time/clocktest.c
Andreas Jaeger 3e1f480ef8 * tst-trans.c: Include <stdlib.h> and <string.h>.
2000-06-21  Andreas Jaeger  <aj@suse.de>

	* tst-trans.c: Include <stdlib.h> and <string.h>.
2000-06-21 12:39:22 +00:00

37 lines
617 B
C

#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
volatile int gotit = 0;
void
alarm_handler (int signal)
{
gotit = 1;
}
int
main (int argc, char ** argv)
{
clock_t start, stop;
if (signal(SIGALRM, alarm_handler) == SIG_ERR)
{
perror ("signal");
exit (1);
}
alarm(1);
start = clock ();
while (!gotit);
stop = clock ();
printf ("%ld clock ticks per second (start=%ld,stop=%ld)\n",
stop - start, start, stop);
printf ("CLOCKS_PER_SEC=%d, sysconf(_SC_CLK_TCK)=%ld\n",
CLOCKS_PER_SEC, sysconf(_SC_CLK_TCK));
return 0;
}