 @@ -1,186 +1,186 @@
-/*	$NetBSD: wait.h,v 1.26 2009/01/11 02:45:56 christos Exp $	*/
+/*	$NetBSD: wait.h,v 1.27 2016/04/02 11:18:26 christos Exp $	*/
 /*
  * Copyright (c) 1982, 1986, 1989, 1993, 1994
  *	The Regents of the University of California.  All rights reserved.
+ *
  * 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.
+ *
  *	@(#)wait.h	8.2 (Berkeley) 7/10/94
  */
 #ifndef _SYS_WAIT_H_
 #define _SYS_WAIT_H_
 #include <sys/featuretest.h>
 /*
  * This file holds definitions relevent to the wait4 system call
  * and the alternate interfaces that use it (wait, wait3, waitpid).
  */
 /*
  * Macros to test the exit status returned by wait
  * and extract the relevant values.
  */
 #if !( defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) ) || defined(_KERNEL)
 #define	_W_INT(i)	(i)
 #else
 #define	_W_INT(w)	(*(int *)(void *)&(w))	/* convert union wait to int */
 #endif
 #define	_WSTATUS(x)	(_W_INT(x) & 0177)
 #define	_WSTOPPED	0177		/* _WSTATUS if process is stopped */
 #define WIFSTOPPED(x)	(_WSTATUS(x) == _WSTOPPED)
 #define WSTOPSIG(x)	((int)(((unsigned int)_W_INT(x)) >> 8) & 0xff)
 #define WIFSIGNALED(x)	(_WSTATUS(x) != _WSTOPPED && _WSTATUS(x) != 0)
 #define WTERMSIG(x)	(_WSTATUS(x))
 #define WIFEXITED(x)	(_WSTATUS(x) == 0)
 #define WEXITSTATUS(x)	((int)(((unsigned int)_W_INT(x)) >> 8) & 0xff)
 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) || defined(_KERNEL)
 #define	WCOREFLAG	0200
 #define WCOREDUMP(x)	(_W_INT(x) & WCOREFLAG)
 #define	W_EXITCODE(ret, sig)	((ret) << 8 | (sig))
 #define	W_STOPCODE(sig)		((sig) << 8 | _WSTOPPED)
 #endif
 /*
  * Option bits for the third argument of wait4.  WNOHANG causes the
  * wait to not hang if there are no stopped or terminated processes, rather
  * returning an error indication in this case (pid==0).  WUNTRACED
  * indicates that the caller should receive status about untraced children
  * which stop due to signals.  If children are stopped and a wait without
  * this option is done, it is as though they were still running... nothing
  * about them is returned.
  */
 #define WNOHANG		0x00000001	/* don't hang in wait */
 #define WUNTRACED	0x00000002	/* tell about stopped,
 					   untraced children */
 #define	WSTOPPED	WUNTRACED	/* SUS compatibility */
 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
 #define	WALTSIG		0x00000004	/* wait for processes that exit
 					   with an alternate signal (i.e.
 					   not SIGCHLD) */
 #define	WALLSIG		0x00000008	/* wait for processes that exit
 					   with any signal, i.e. SIGCHLD
 					   and alternates */
 /*
  * These are the Linux names of some of the above flags, for compatibility
  * with Linux's clone(2) API.
  */
 #define	__WCLONE	WALTSIG
 #define	__WALL		WALLSIG
 /*
  * These bits are used in order to support SVR4 (etc) functionality
  * without replicating sys_wait4 5 times.
  */
 #define	WNOWAIT		0x00010000	/* Don't mark child 'P_WAITED' */
 #define	WNOZOMBIE	0x00020000	/* Ignore zombies */
 #define	WOPTSCHECKED	0x00040000	/* Compat call, options verified */
 #endif /* _XOPEN_SOURCE || _NETBSD_SOURCE */
 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
 /* POSIX extensions and 4.2/4.3 compatibility: */
 /*
  * Tokens for special values of the "pid" parameter to wait4.
  */
 #define	WAIT_ANY	(-1)	/* any process */
 #define	WAIT_MYPGRP	0	/* any process in my process group */
 #include <sys/types.h>
 /*
  * Deprecated:
  * Structure of the information in the status word returned by wait4.
  * If w_stopval==WSTOPPED, then the second structure describes
  * the information returned, else the first.
  */
 union wait {
 	int	w_status;		/* used in syscall */
 	/*
 	 * Terminated process status.
 	 */
 	struct {
 #if BYTE_ORDER == LITTLE_ENDIAN
 		unsigned int	w_Termsig:7,	/* termination signal */
 				w_Coredump:1,	/* core dump indicator */
 				w_Retcode:8,	/* exit code if w_termsig==0 */
 				w_Filler:16;	/* upper bits filler */
 #endif
 #if BYTE_ORDER == BIG_ENDIAN
 		unsigned int	w_Filler:16,	/* upper bits filler */
 				w_Retcode:8,	/* exit code if w_termsig==0 */
 				w_Coredump:1,	/* core dump indicator */
 				w_Termsig:7;	/* termination signal */
 #endif
 	} w_T;
 	/*
 	 * Stopped process status.  Returned
 	 * only for traced children unless requested
 	 * with the WUNTRACED option bit.
 	 */
 	struct {
 #if BYTE_ORDER == LITTLE_ENDIAN
 		unsigned int	w_Stopval:8,	/* == W_STOPPED if stopped */
 				w_Stopsig:8,	/* signal that stopped us */
 				w_Filler:16;	/* upper bits filler */
 #endif
 #if BYTE_ORDER == BIG_ENDIAN
 		unsigned int	w_Filler:16,	/* upper bits filler */
 				w_Stopsig:8,	/* signal that stopped us */
 				w_Stopval:8;	/* == W_STOPPED if stopped */
 #endif
 	} w_S;
 };
 #define	w_termsig	w_T.w_Termsig
 #define w_coredump	w_T.w_Coredump
 #define w_retcode	w_T.w_Retcode
 #define w_stopval	w_S.w_Stopval
 #define w_stopsig	w_S.w_Stopsig
 #define	WSTOPPED	_WSTOPPED
 #endif /* _XOPEN_SOURCE || _NETBSD_SOURCE */
 #ifndef _KERNEL
 #include <sys/cdefs.h>
 __BEGIN_DECLS
 struct rusage;	/* forward declaration */
 pid_t	wait(int *);
 pid_t	waitpid(pid_t, int *, int);
 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
 #ifndef __LIBC12_SOURCE__
 pid_t	wait3(int *, int, struct rusage *) __RENAME(__wait350);
 pid_t	wait4(pid_t, int *, int, struct rusage *) __RENAME(__wait450);
 #endif
 #endif
 __END_DECLS
 #endif
 #endif /* !_SYS_WAIT_H_ */