20 lines
		
	
	
		
			249 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			20 lines
		
	
	
		
			249 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
| nice.c
 | |
| */
 | |
| 
 | |
| #include <errno.h>
 | |
| #include <unistd.h>
 | |
| #include <sys/resource.h>
 | |
| 
 | |
| int nice(incr)
 | |
| int incr;
 | |
| {
 | |
| 	int r;
 | |
| 
 | |
| 	errno= 0;
 | |
| 	r= getpriority(PRIO_PROCESS, 0);
 | |
| 	if (r == -1 && errno != 0)
 | |
| 		return r;
 | |
| 	return setpriority(PRIO_PROCESS, 0, r+incr);
 | |
| }
 | 
