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