34 lines
		
	
	
		
			720 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			34 lines
		
	
	
		
			720 B
		
	
	
	
		
			C
		
	
	
	
	
	
#define _SYSTEM 1
 | 
						|
#include <lib.h>
 | 
						|
#include <unistd.h>
 | 
						|
#include <string.h>
 | 
						|
 | 
						|
/* return -1, when the query itself or the processing of query has errors.
 | 
						|
 * return 1, when there are more processes waiting to be queried.
 | 
						|
 * return 0, when there are no more processes.
 | 
						|
 * note that for the return value of 0 and 1, the 'endpt' is set accordingly.
 | 
						|
 */
 | 
						|
int vm_query_exit(int *endpt)
 | 
						|
{
 | 
						|
	message m;
 | 
						|
	int r;
 | 
						|
 | 
						|
	r = _syscall(VM_PROC_NR, VM_QUERY_EXIT, &m);
 | 
						|
	if (r != OK)
 | 
						|
		return -1;
 | 
						|
	if (endpt == NULL)
 | 
						|
		return -1;
 | 
						|
 | 
						|
	*endpt = m.VM_QUERY_RET_PT;
 | 
						|
	return (m.VM_QUERY_IS_MORE ? 1 : 0);
 | 
						|
}
 | 
						|
 | 
						|
int vm_watch_exit(endpoint_t ep)
 | 
						|
{
 | 
						|
	message m;
 | 
						|
 | 
						|
	memset(&m, 0, sizeof(m));
 | 
						|
	m.VM_WE_EP = ep;
 | 
						|
	return _syscall(VM_PROC_NR, VM_WATCH_EXIT, &m);
 | 
						|
}
 |