/*	$OpenBSD: proc.h,v 1.235 2017/02/14 10:31:15 mpi Exp $	*/
/*	$NetBSD: proc.h,v 1.44 1996/04/22 01:23:21 christos Exp $	*/

/*-
 * Copyright (c) 1986, 1989, 1991, 1993
 *	The Regents of the University of California.  All rights reserved.
 * (c) UNIX System Laboratories, Inc.
 * All or some portions of this file are derived from material licensed
 * to the University of California by American Telephone and Telegraph
 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
 * the permission of UNIX System Laboratories, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)proc.h	8.8 (Berkeley) 1/21/94
 */

#ifndef _SYS_PROC_H_
#define	_SYS_PROC_H_

#include <sys/queue.h>

/*
 * These flags are kept in ps_flags.
 */
#define	PS_CONTROLT	0x00000001	/* Has a controlling terminal. */
#define	PS_EXEC		0x00000002	/* Process called exec. */
#define	PS_INEXEC	0x00000004	/* Process is doing an exec right now */
#define	PS_EXITING	0x00000008	/* Process is exiting. */
#define	PS_SUGID	0x00000010	/* Had set id privs since last exec. */
#define	PS_SUGIDEXEC	0x00000020	/* last execve() was set[ug]id */
#define	PS_PPWAIT	0x00000040	/* Parent waits for exec/exit. */
#define	PS_ISPWAIT	0x00000080	/* Is parent of PPWAIT child. */
#define	PS_PROFIL	0x00000100	/* Has started profiling. */
#define	PS_TRACED	0x00000200	/* Being ptraced. */
#define	PS_WAITED	0x00000400	/* Stopped proc was waited for. */
#define	PS_COREDUMP	0x00000800	/* Busy coredumping */
#define	PS_SINGLEEXIT	0x00001000	/* Other threads must die. */
#define	PS_SINGLEUNWIND	0x00002000	/* Other threads must unwind. */
#define	PS_NOZOMBIE	0x00004000	/* No signal or zombie at exit. */
#define	PS_STOPPED	0x00008000	/* Just stopped, need sig to parent. */
#define	PS_SYSTEM	0x00010000	/* No sigs, stats or swapping. */
#define	PS_EMBRYO	0x00020000	/* New process, not yet fledged */
#define	PS_ZOMBIE	0x00040000	/* Dead and ready to be waited for */
#define	PS_NOBROADCASTKILL 0x00080000	/* Process excluded from kill -1. */
#define	PS_PLEDGE	0x00100000	/* Has called pledge(2) */
#define	PS_WXNEEDED	0x00200000	/* Process may violate W^X */

#define	PS_BITS \
    ("\20" "\01CONTROLT" "\02EXEC" "\03INEXEC" "\04EXITING" "\05SUGID" \
     "\06SUGIDEXEC" "\07PPWAIT" "\010ISPWAIT" "\011PROFIL" "\012TRACED" \
     "\013WAITED" "\014COREDUMP" "\015SINGLEEXIT" "\016SINGLEUNWIND" \
     "\017NOZOMBIE" "\020STOPPED" "\021SYSTEM" "\022EMBRYO" "\023ZOMBIE" \
     "\024NOBROADCASTKILL" "\025PLEDGE" "\026WXNEEDED")

/* Status values. */
#define	SIDL	1		/* Thread being created by fork. */
#define	SRUN	2		/* Currently runnable. */
#define	SSLEEP	3		/* Sleeping on an address. */
#define	SSTOP	4		/* Debugging or suspension. */
#define	SZOMB	5		/* unused */
#define	SDEAD	6		/* Thread is almost gone */
#define	SONPROC	7		/* Thread is currently on a CPU. */

#define	P_ZOMBIE(p)	((p)->p_stat == SDEAD)
#define	P_HASSIBLING(p)	(TAILQ_FIRST(&(p)->p_p->ps_threads) != (p) || \
			 TAILQ_NEXT((p), p_thr_link) != NULL)

/*
 * These flags are per-thread and kept in p_flag
 */
#define	P_INKTR		0x00000001	/* In a ktrace op, don't recurse */
#define	P_PROFPEND	0x00000002	/* SIGPROF needs to be posted */
#define	P_ALRMPEND	0x00000004	/* SIGVTALRM needs to be posted */
#define	P_SIGSUSPEND	0x00000008	/* Need to restore before-suspend mask*/
#define	P_CANTSLEEP	0x00000010	/* insomniac thread */
#define	P_SELECT	0x00000040	/* Selecting; wakeup/waiting danger. */
#define	P_SINTR		0x00000080	/* Sleep is interruptible. */
#define	P_SYSTEM	0x00000200	/* No sigs, stats or swapping. */
#define	P_TIMEOUT	0x00000400	/* Timing out during sleep. */
#define	P_WEXIT		0x00002000	/* Working on exiting. */
#define	P_OWEUPC	0x00008000	/* Owe proc an addupc() at next ast. */
#define	P_SUSPSINGLE	0x00080000	/* Need to stop for single threading. */
#define P_CONTINUED	0x00800000	/* Proc has continued from a stopped state. */
#define	P_THREAD	0x04000000	/* Only a thread, not a real process */
#define	P_SUSPSIG	0x08000000	/* Stopped from signal. */
#define	P_SOFTDEP	0x10000000	/* Stuck processing softdep worklist */
#define P_CPUPEG	0x40000000	/* Do not move to another cpu. */

#define	P_BITS \
    ("\20" "\01INKTR" "\02PROFPEND" "\03ALRMPEND" "\04SIGSUSPEND" \
     "\05CANTSLEEP" "\07SELECT" "\010SINTR" "\012SYSTEM" "\013TIMEOUT" \
     "\016WEXIT" "\020OWEUPC" "\024SUSPSINGLE" "\027XX" \
     "\030CONTINUED" "\033THREAD" "\034SUSPSIG" "\035SOFTDEP" "\037CPUPEG")

#define	THREAD_PID_OFFSET	100000

#endif	/* !_SYS_PROC_H_ */

