glibc/time/clocktest.c
Ulrich Drepper 9eb2730eab Update.
1998-02-25  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/libm-ieee754/s_isnanl.c: Ignore the explicit integer
	bit.
	* sysdeps/libm-ieee754/s_isinfl.c: Likewise.
1998-02-27 10:00:44 +00:00

36 lines
597 B
C

#include <signal.h>
#include <stdio.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;
}