mirror of git://sourceware.org/git/glibc.git
				
				
				
			
		
			
				
	
	
		
			32 lines
		
	
	
		
			529 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			32 lines
		
	
	
		
			529 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;
 | |
| 
 | |
|   signal(SIGALRM, alarm_handler);
 | |
|   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;
 | |
| }
 |