sl@0: /*-
sl@0:  * Copyright (c) 1982, 1986, 1989, 1993, 1994
sl@0:  *	The Regents of the University of California.  All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer.
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in the
sl@0:  *    documentation and/or other materials provided with the distribution.
sl@0:  * 4. Neither the name of the University nor the names of its contributors
sl@0:  *    may be used to endorse or promote products derived from this software
sl@0:  *    without specific prior written permission.
sl@0:  *
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
sl@0:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
sl@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
sl@0:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
sl@0:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
sl@0:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
sl@0:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
sl@0:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
sl@0:  * SUCH DAMAGE.
sl@0:  * © * Portions Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
sl@0:  *	@(#)wait.h	8.2 (Berkeley) 7/10/94
sl@0:  * $FreeBSD: src/sys/sys/wait.h,v 1.21 2005/01/05 22:19:44 jhb Exp $
sl@0:  */
sl@0: 
sl@0: #ifndef _SYS_WAIT_H_
sl@0: #define _SYS_WAIT_H_
sl@0: 
sl@0: #include <sys/cdefs.h>
sl@0: 
sl@0: /*
sl@0:  * This file holds definitions relevant to the wait4 system call and the
sl@0:  * alternate interfaces that use it (wait, wait3, waitpid).
sl@0:  */
sl@0: 
sl@0: /*
sl@0:  * Macros to test the exit status returned by wait and extract the relevant
sl@0:  * values.
sl@0:  */
sl@0: #if __BSD_VISIBLE
sl@0: #define	_W_INT(w)	(*(int *)&(w))	/* Convert union wait to int. */
sl@0: #define	WCOREFLAG	0200
sl@0: #else
sl@0: #define	_W_INT(i)	(i)
sl@0: #endif
sl@0: 
sl@0: #define	_WSTATUS(x)	(_W_INT(x) & 0177)
sl@0: #define	_WSTOPPED	0177		/* _WSTATUS if process is stopped */
sl@0: #define	WIFSTOPPED(x)	(_WSTATUS(x) == _WSTOPPED)
sl@0: #define	WSTOPSIG(x)	(_W_INT(x) >> 8)
sl@0: #define	WIFSIGNALED(x)	(_WSTATUS(x) != _WSTOPPED && _WSTATUS(x) != 0)
sl@0: #define	WTERMSIG(x)	(_WSTATUS(x))
sl@0: #define	WIFEXITED(x)	(_WSTATUS(x) == 0)
sl@0: #define	WEXITSTATUS(x)	(_W_INT(x) >> 8)
sl@0: #define	WIFCONTINUED(x)	(x == 0x13)	/* 0x13 == SIGCONT */
sl@0: #if __BSD_VISIBLE
sl@0: #define	WCOREDUMP(x)	(_W_INT(x) & WCOREFLAG)
sl@0: 
sl@0: #define	W_EXITCODE(ret, sig)	((ret) << 8 | (sig))
sl@0: #define	W_STOPCODE(sig)		((sig) << 8 | _WSTOPPED)
sl@0: #endif
sl@0: 
sl@0: #ifdef __SYMBIAN32__
sl@0: #define WIFTERMINATED(x) (_WSTATUS(x)==1)
sl@0: #define WTERMINATESTATUS(x)	 (_W_INT(x) >> 8)
sl@0: #define WIFPANICED(x)	 (_WSTATUS(x)==2)
sl@0: #define WPANICCODE(x)		 (_W_INT(x) >> 8)
sl@0: #endif	/* __SYMBIAN32__ */
sl@0: 
sl@0: /*
sl@0:  * Option bits for the third argument of wait4.  WNOHANG causes the
sl@0:  * wait to not hang if there are no stopped or terminated processes, rather
sl@0:  * returning an error indication in this case (pid==0).  WUNTRACED
sl@0:  * indicates that the caller should receive status about untraced children
sl@0:  * which stop due to signals.  If children are stopped and a wait without
sl@0:  * this option is done, it is as though they were still running... nothing
sl@0:  * about them is returned.
sl@0:  */
sl@0: #define	WNOHANG		1	/* Don't hang in wait. */
sl@0: #define	WUNTRACED	2	/* Tell about stopped, untraced children. */
sl@0: #define	WCONTINUED	4	/* Report a job control continued process. */
sl@0: 
sl@0: #if __BSD_VISIBLE
sl@0: #define	WLINUXCLONE 0x80000000	/* Wait for kthread spawned from linux_clone. */
sl@0: #endif
sl@0: 
sl@0: /*
sl@0:  * Tokens for special values of the "pid" parameter to wait4.
sl@0:  */
sl@0: #if __BSD_VISIBLE
sl@0: #define	WAIT_ANY	(-1)	/* any process */
sl@0: #define	WAIT_MYPGRP	0	/* any process in my process group */
sl@0: #endif /* __BSD_VISIBLE */
sl@0: 
sl@0: #ifndef _KERNEL
sl@0: #include <sys/types.h>
sl@0: 
sl@0: __BEGIN_DECLS
sl@0: IMPORT_C
sl@0: pid_t	wait(int *);
sl@0: IMPORT_C
sl@0: pid_t	waitpid(pid_t, int *, int);
sl@0: #if __BSD_VISIBLE
sl@0: struct rusage;
sl@0: #endif
sl@0: __END_DECLS
sl@0: #endif /* !_KERNEL */
sl@0: 
sl@0: #endif /* !_SYS_WAIT_H_ */