//	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	
//	  All Rights Reserved  	

//	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T	
//	The copyright notice above does not evidence any   	
//	actual or intended publication of such source code.	

#ifndef _SYS_PROCSET_H
#define	_SYS_PROCSET_H

#pragma ident	"@(#)procset.h	1.13	92/07/14 SMI"	// SVr4.0 1.6

#ifdef	__cplusplus
extern "C" {
#endif

/*
 *	This file defines the data needed to specify a set of
 *	processes.  These types are used by the sigsend, sigsendset,
 *	priocntl, priocntlset, waitid, evexit, and evexitset system
 *	calls.
 */
#define	P_INITPID	1
#define	P_INITUID	0
#define	P_INITPGID	0


/*
 *	The following defines the values for an identifier type.  It
 *	specifies the interpretation of an id value.  An idtype and
 *	id together define a simple set of processes.
 */
typedef enum idtype {
	P_PID,		// A process identifier.		
	P_PPID,		// A parent process identifier.		
	P_PGID,		// A process group (job control group)	
			// identifier.				
	P_SID,		// A session identifier.		
	P_CID,		// A scheduling class identifier.	
	P_UID,		// A user identifier.			
	P_GID,		// A group identifier.			
	P_ALL,		// All processes.			
	P_LWPID		// An LWP identifier.			
} idtype_t;


/*
 *	The following defines the operations which can be performed to
 *	combine two simple sets of processes to form another set of
 *	processes.
 */
typedef enum idop {
	POP_DIFF,	// Set difference.  The processes which	
			// are in the left operand set and not	
			// in the right operand set.		
	POP_AND,	// Set disjunction.  The processes	
			// which are in both the left and right	
			// operand sets.			
	POP_OR,		// Set conjunction.  The processes	
			// which are in either the left or the	
			// right operand sets (or both).	
	POP_XOR		// Set exclusive or.  The processes 	
			// which are in either the left or	
			// right operand sets but not in both.	
} idop_t;


/*
 *	The following structure is used to define a set of processes.
 *	The set is defined in terms of two simple sets of processes
 *	and an operator which operates on these two operand sets.
 */
typedef struct procset {
	idop_t		p_op;	// The operator connection the	
				// following two operands each	
				// of which is a simple set of	
				// processes.			

	idtype_t	p_lidtype;
				// The type of the left operand	
				// simple set.			
	id_t		p_lid;	// The id of the left operand.	

	idtype_t	p_ridtype;
				// The type of the right	
				// operand simple set.		
	id_t		p_rid;	// The id of the right operand.	
} procset_t;


/*
 *	The following macro can be used to initialize a procset_t
 *	structure.
 */
#define	setprocset(psp, op, ltype, lid, rtype, rid) \
			(psp)->p_op		= (op); \
			(psp)->p_lidtype	= (ltype); \
			(psp)->p_lid		= (lid); \
			(psp)->p_ridtype	= (rtype); \
			(psp)->p_rid		= (rid);

#ifdef _KERNEL

/*
 * Public functions.
 */
#if defined(__STDC__)
#include <sys/proc.h>
extern int dotoprocs(procset_t *psp, int (*funcp)(), char *arg);
extern int procinset(proc_t *pp, procset_t *psp);
extern boolean_t cur_inset_only(procset_t *psp);

#else

extern int dotoprocs();
extern int procinset();
extern boolean_t cur_inset_only();

#endif	/* __STDC__ */

#endif	/* _KERNEL */

#ifdef	__cplusplus
}
#endif

#endif	/* _SYS_PROCSET_H */