[apple/xnu.git] / bsd / sys / wait.h

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 *
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 *
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. 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/cdefs.h>
#include <sys/_types.h>

/*
 * This file holds definitions relevent to the wait4 system call
 * and the alternate interfaces that use it (wait, wait3, waitpid).
 */

/*
 * [XSI] The type idtype_t shall be defined as an enumeration type whose
 * possible values shall include at least P_ALL, P_PID, and P_PGID.
 */
typedef enum {
	P_ALL,
	P_PID,
	P_PGID
} idtype_t;

/*
 * [XSI] The id_t and pid_t types shall be defined as described
 * in <sys/types.h>
 */
#include <sys/_types/_pid_t.h>
#include <sys/_types/_id_t.h>

/*
 * [XSI] The siginfo_t type shall be defined as described in <signal.h>
 * [XSI] The rusage structure shall be defined as described in <sys/resource.h>
 * [XSI] Inclusion of the <sys/wait.h> header may also make visible all
 * symbols from <signal.h> and <sys/resource.h>
 *
 * NOTE:	This requirement is currently being satisfied by the direct
 *		inclusion of <sys/signal.h> and <sys/resource.h>, below.
 *
 *		Software should not depend on the exposure of anything other
 *		than the types siginfo_t and struct rusage as a result of
 *		this inclusion.  If you depend on any types or manifest
 *		values othe than siginfo_t and struct rusage from either of
 *		those files, you should explicitly include them yourself, as
 *		well, or in future releases your stware may not compile
 *		without modification.
 */
#include <sys/signal.h>         /* [XSI] for siginfo_t */
#include <sys/resource.h>       /* [XSI] for struct rusage */

/*
 * 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  /* [XSI] no hang in wait/no child to reap */
#define WUNTRACED       0x00000002  /* [XSI] notify on stop, untraced child */

/*
 * Macros to test the exit status returned by wait
 * and extract the relevant values.
 */
#if defined(_POSIX_C_SOURCE) && !defined(_DARWIN_C_SOURCE)
#define _W_INT(i)       (i)
#else
#define _W_INT(w)       (*(int *)&(w))  /* convert union wait to int */
#define WCOREFLAG       0200
#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */

/* These macros are permited, as they are in the implementation namespace */
#define _WSTATUS(x)     (_W_INT(x) & 0177)
#define _WSTOPPED       0177            /* _WSTATUS if process is stopped */

/*
 * [XSI] The <sys/wait.h> header shall define the following macros for
 * analysis of process status values
 */
#if __DARWIN_UNIX03
#define WEXITSTATUS(x)  ((_W_INT(x) >> 8) & 0x000000ff)
#else /* !__DARWIN_UNIX03 */
#define WEXITSTATUS(x)  (_W_INT(x) >> 8)
#endif /* !__DARWIN_UNIX03 */
/* 0x13 == SIGCONT */
#define WSTOPSIG(x)     (_W_INT(x) >> 8)
#define WIFCONTINUED(x) (_WSTATUS(x) == _WSTOPPED && WSTOPSIG(x) == 0x13)
#define WIFSTOPPED(x)   (_WSTATUS(x) == _WSTOPPED && WSTOPSIG(x) != 0x13)
#define WIFEXITED(x)    (_WSTATUS(x) == 0)
#define WIFSIGNALED(x)  (_WSTATUS(x) != _WSTOPPED && _WSTATUS(x) != 0)
#define WTERMSIG(x)     (_WSTATUS(x))
#if (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
#define WCOREDUMP(x)    (_W_INT(x) & WCOREFLAG)

#define W_EXITCODE(ret, sig)    ((ret) << 8 | (sig))
#define W_STOPCODE(sig)         ((sig) << 8 | _WSTOPPED)
#endif /* (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) */

/*
 * [XSI] The following symbolic constants shall be defined as possible
 * values for the fourth argument to waitid().
 */
/* WNOHANG already defined for wait4() */
/* WUNTRACED defined for wait4() but not for waitid() */
#define WEXITED         0x00000004  /* [XSI] Processes which have exitted */
#if __DARWIN_UNIX03
/* waitid() parameter */
#define WSTOPPED        0x00000008  /* [XSI] Any child stopped by signal */
#endif
#define WCONTINUED      0x00000010  /* [XSI] Any child stopped then continued */
#define WNOWAIT         0x00000020  /* [XSI] Leave process returned waitable */


#if (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
/* POSIX extensions and 4.2/4.3 compatability: */

/*
 * 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 <machine/endian.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 __DARWIN_BYTE_ORDER == __DARWIN_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 __DARWIN_BYTE_ORDER == __DARWIN_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 __DARWIN_BYTE_ORDER == __DARWIN_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 __DARWIN_BYTE_ORDER == __DARWIN_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

#endif /* (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) */

#if !(__DARWIN_UNIX03 - 0)
/*
 * Stopped state value; cannot use waitid() parameter of the same name
 * in the same scope
 */
#define WSTOPPED        _WSTOPPED
#endif /* !__DARWIN_UNIX03 */

#ifndef KERNEL
__BEGIN_DECLS
pid_t   wait(int *) __DARWIN_ALIAS_C(wait);
pid_t   waitpid(pid_t, int *, int) __DARWIN_ALIAS_C(waitpid);
#ifndef _ANSI_SOURCE
int     waitid(idtype_t, id_t, siginfo_t *, int) __DARWIN_ALIAS_C(waitid);
#endif /* !_ANSI_SOURCE */
#if  (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
pid_t   wait3(int *, int, struct rusage *);
pid_t   wait4(pid_t, int *, int, struct rusage *);
#endif /* (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) */
__END_DECLS
#endif
#endif /* !_SYS_WAIT_H_ */
Commit	Line	Data
1c79356b	1	/*
5d5c5d0d A	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
5d5c5d0d A	3	*
2d21ac55	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
0a7de745	5	*
2d21ac55 A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
0a7de745	14	*
2d21ac55 A	15	* Please obtain a copy of the License at
2d21ac55 A	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
0a7de745	17	*
2d21ac55 A	18	* The Original Code and all software distributed under the License are
2d21ac55 A	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
8f6c56a5 A	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
8f6c56a5 A	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55 A	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
0a7de745	25	*
2d21ac55	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b A	27	*/
	28	/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
	29	/*
	30	* Copyright (c) 1982, 1986, 1989, 1993, 1994
	31	* The Regents of the University of California. All rights reserved.
	32	*
	33	* Redistribution and use in source and binary forms, with or without
	34	* modification, are permitted provided that the following conditions
	35	* are met:
	36	* 1. Redistributions of source code must retain the above copyright
	37	* notice, this list of conditions and the following disclaimer.
	38	* 2. Redistributions in binary form must reproduce the above copyright
	39	* notice, this list of conditions and the following disclaimer in the
	40	* documentation and/or other materials provided with the distribution.
	41	* 3. All advertising materials mentioning features or use of this software
	42	* must display the following acknowledgement:
	43	* This product includes software developed by the University of
	44	* California, Berkeley and its contributors.
	45	* 4. Neither the name of the University nor the names of its contributors
	46	* may be used to endorse or promote products derived from this software
	47	* without specific prior written permission.
	48	*
	49	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	50	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	51	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	52	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	53	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	54	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	55	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	56	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	57	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	58	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	59	* SUCH DAMAGE.
	60	*
	61	* @(#)wait.h 8.2 (Berkeley) 7/10/94
	62	*/
0a7de745	63
1c79356b	64	#ifndef _SYS_WAIT_H_
0a7de745	65	#define _SYS_WAIT_H_
1c79356b	66
91447636 A	67	#include <sys/cdefs.h>
	68	#include <sys/_types.h>
	69
1c79356b A	70	/*
	71	* This file holds definitions relevent to the wait4 system call
	72	* and the alternate interfaces that use it (wait, wait3, waitpid).
	73	*/
	74
91447636 A	75	/*
	76	* [XSI] The type idtype_t shall be defined as an enumeration type whose
	77	* possible values shall include at least P_ALL, P_PID, and P_PGID.
	78	*/
	79	typedef enum {
	80	P_ALL,
	81	P_PID,
	82	P_PGID
	83	} idtype_t;
	84
	85	/*
	86	* [XSI] The id_t and pid_t types shall be defined as described
	87	* in <sys/types.h>
	88	*/
39236c6e A	89	#include <sys/_types/_pid_t.h>
39236c6e A	90	#include <sys/_types/_id_t.h>
91447636 A	91
	92	/*
	93	* [XSI] The siginfo_t type shall be defined as described in <signal.h>
	94	* [XSI] The rusage structure shall be defined as described in <sys/resource.h>
	95	* [XSI] Inclusion of the <sys/wait.h> header may also make visible all
	96	* symbols from <signal.h> and <sys/resource.h>
	97	*
	98	* NOTE: This requirement is currently being satisfied by the direct
	99	* inclusion of <sys/signal.h> and <sys/resource.h>, below.
	100	*
	101	* Software should not depend on the exposure of anything other
	102	* than the types siginfo_t and struct rusage as a result of
	103	* this inclusion. If you depend on any types or manifest
	104	* values othe than siginfo_t and struct rusage from either of
	105	* those files, you should explicitly include them yourself, as
	106	* well, or in future releases your stware may not compile
	107	* without modification.
	108	*/
0a7de745 A	109	#include <sys/signal.h> /* [XSI] for siginfo_t */
0a7de745 A	110	#include <sys/resource.h> /* [XSI] for struct rusage */
91447636 A	111
	112	/*
	113	* Option bits for the third argument of wait4. WNOHANG causes the
	114	* wait to not hang if there are no stopped or terminated processes, rather
	115	* returning an error indication in this case (pid==0). WUNTRACED
	116	* indicates that the caller should receive status about untraced children
	117	* which stop due to signals. If children are stopped and a wait without
	118	* this option is done, it is as though they were still running... nothing
	119	* about them is returned.
	120	*/
0a7de745 A	121	#define WNOHANG 0x00000001 /* [XSI] no hang in wait/no child to reap */
0a7de745 A	122	#define WUNTRACED 0x00000002 /* [XSI] notify on stop, untraced child */
91447636	123
1c79356b A	124	/*
	125	* Macros to test the exit status returned by wait
	126	* and extract the relevant values.
	127	*/
2d21ac55	128	#if defined(_POSIX_C_SOURCE) && !defined(_DARWIN_C_SOURCE)
0a7de745	129	#define _W_INT(i) (i)
1c79356b	130	#else
0a7de745 A	131	#define _W_INT(w) ((int )&(w)) /* convert union wait to int */
0a7de745 A	132	#define WCOREFLAG 0200
2d21ac55	133	#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
1c79356b	134
91447636	135	/* These macros are permited, as they are in the implementation namespace */
0a7de745 A	136	#define _WSTATUS(x) (_W_INT(x) & 0177)
0a7de745 A	137	#define _WSTOPPED 0177 /* _WSTATUS if process is stopped */
91447636 A	138
	139	/*
	140	* [XSI] The <sys/wait.h> header shall define the following macros for
	141	* analysis of process status values
	142	*/
2d21ac55	143	#if __DARWIN_UNIX03
0a7de745	144	#define WEXITSTATUS(x) ((_W_INT(x) >> 8) & 0x000000ff)
2d21ac55	145	#else /* !__DARWIN_UNIX03 */
0a7de745	146	#define WEXITSTATUS(x) (_W_INT(x) >> 8)
2d21ac55 A	147	#endif /* !__DARWIN_UNIX03 */
2d21ac55 A	148	/* 0x13 == SIGCONT */
0a7de745	149	#define WSTOPSIG(x) (_W_INT(x) >> 8)
2d21ac55	150	#define WIFCONTINUED(x) (_WSTATUS(x) == _WSTOPPED && WSTOPSIG(x) == 0x13)
0a7de745 A	151	#define WIFSTOPPED(x) (_WSTATUS(x) == _WSTOPPED && WSTOPSIG(x) != 0x13)
	152	#define WIFEXITED(x) (_WSTATUS(x) == 0)
	153	#define WIFSIGNALED(x) (_WSTATUS(x) != _WSTOPPED && _WSTATUS(x) != 0)
	154	#define WTERMSIG(x) (_WSTATUS(x))
2d21ac55	155	#if (!defined(_POSIX_C_SOURCE) \|\| defined(_DARWIN_C_SOURCE))
0a7de745	156	#define WCOREDUMP(x) (_W_INT(x) & WCOREFLAG)
1c79356b	157
0a7de745 A	158	#define W_EXITCODE(ret, sig) ((ret) << 8 \| (sig))
0a7de745 A	159	#define W_STOPCODE(sig) ((sig) << 8 \| _WSTOPPED)
2d21ac55	160	#endif /* (!defined(_POSIX_C_SOURCE) \|\| defined(_DARWIN_C_SOURCE)) */
1c79356b A	161
1c79356b A	162	/*
91447636 A	163	* [XSI] The following symbolic constants shall be defined as possible
91447636 A	164	* values for the fourth argument to waitid().
1c79356b	165	*/
91447636 A	166	/* WNOHANG already defined for wait4() */
91447636 A	167	/* WUNTRACED defined for wait4() but not for waitid() */
0a7de745	168	#define WEXITED 0x00000004 /* [XSI] Processes which have exitted */
2d21ac55	169	#if __DARWIN_UNIX03
91447636	170	/* waitid() parameter */
0a7de745	171	#define WSTOPPED 0x00000008 /* [XSI] Any child stopped by signal */
91447636	172	#endif
0a7de745 A	173	#define WCONTINUED 0x00000010 /* [XSI] Any child stopped then continued */
0a7de745 A	174	#define WNOWAIT 0x00000020 /* [XSI] Leave process returned waitable */
91447636	175
1c79356b	176
2d21ac55	177	#if (!defined(_POSIX_C_SOURCE) \|\| defined(_DARWIN_C_SOURCE))
1c79356b A	178	/* POSIX extensions and 4.2/4.3 compatability: */
	179
	180	/*
	181	* Tokens for special values of the "pid" parameter to wait4.
	182	*/
0a7de745 A	183	#define WAIT_ANY (-1) /* any process */
0a7de745 A	184	#define WAIT_MYPGRP 0 /* any process in my process group */
1c79356b A	185
	186	#include <machine/endian.h>
	187
	188	/*
	189	* Deprecated:
	190	* Structure of the information in the status word returned by wait4.
2d21ac55	191	* If w_stopval==_WSTOPPED, then the second structure describes
1c79356b A	192	* the information returned, else the first.
	193	*/
	194	union wait {
0a7de745	195	int w_status; /* used in syscall */
1c79356b A	196	/*
	197	* Terminated process status.
	198	*/
	199	struct {
0a7de745 A	200	#if __DARWIN_BYTE_ORDER == __DARWIN_LITTLE_ENDIAN
	201	unsigned int w_Termsig:7, /* termination signal */
	202	w_Coredump:1, /* core dump indicator */
	203	w_Retcode:8, /* exit code if w_termsig==0 */
	204	w_Filler:16; /* upper bits filler */
1c79356b	205	#endif
0a7de745 A	206	#if __DARWIN_BYTE_ORDER == __DARWIN_BIG_ENDIAN
	207	unsigned int w_Filler:16, /* upper bits filler */
	208	w_Retcode:8, /* exit code if w_termsig==0 */
	209	w_Coredump:1, /* core dump indicator */
	210	w_Termsig:7; /* termination signal */
1c79356b A	211	#endif
	212	} w_T;
	213	/*
	214	* Stopped process status. Returned
	215	* only for traced children unless requested
	216	* with the WUNTRACED option bit.
	217	*/
	218	struct {
0a7de745 A	219	#if __DARWIN_BYTE_ORDER == __DARWIN_LITTLE_ENDIAN
	220	unsigned int w_Stopval:8, /* == W_STOPPED if stopped */
	221	w_Stopsig:8, /* signal that stopped us */
	222	w_Filler:16; /* upper bits filler */
1c79356b	223	#endif
0a7de745 A	224	#if __DARWIN_BYTE_ORDER == __DARWIN_BIG_ENDIAN
	225	unsigned int w_Filler:16, /* upper bits filler */
	226	w_Stopsig:8, /* signal that stopped us */
	227	w_Stopval:8; /* == W_STOPPED if stopped */
1c79356b A	228	#endif
	229	} w_S;
	230	};
0a7de745 A	231	#define w_termsig w_T.w_Termsig
	232	#define w_coredump w_T.w_Coredump
	233	#define w_retcode w_T.w_Retcode
	234	#define w_stopval w_S.w_Stopval
	235	#define w_stopsig w_S.w_Stopsig
1c79356b	236
2d21ac55 A	237	#endif /* (!defined(_POSIX_C_SOURCE) \|\| defined(_DARWIN_C_SOURCE)) */
	238
	239	#if !(__DARWIN_UNIX03 - 0)
91447636 A	240	/*
	241	* Stopped state value; cannot use waitid() parameter of the same name
	242	* in the same scope
	243	*/
0a7de745	244	#define WSTOPPED _WSTOPPED
2d21ac55	245	#endif /* !__DARWIN_UNIX03 */
1c79356b A	246
1c79356b A	247	#ifndef KERNEL
1c79356b	248	__BEGIN_DECLS
0a7de745 A	249	pid_t wait(int *) __DARWIN_ALIAS_C(wait);
0a7de745 A	250	pid_t waitpid(pid_t, int *, int) __DARWIN_ALIAS_C(waitpid);
91447636	251	#ifndef _ANSI_SOURCE
0a7de745	252	int waitid(idtype_t, id_t, siginfo_t *, int) __DARWIN_ALIAS_C(waitid);
91447636	253	#endif /* !_ANSI_SOURCE */
2d21ac55	254	#if (!defined(_POSIX_C_SOURCE) \|\| defined(_DARWIN_C_SOURCE))
0a7de745 A	255	pid_t wait3(int , int, struct rusage );
0a7de745 A	256	pid_t wait4(pid_t, int , int, struct rusage );
2d21ac55	257	#endif /* (!defined(_POSIX_C_SOURCE) \|\| defined(_DARWIN_C_SOURCE)) */
1c79356b A	258	__END_DECLS
	259	#endif
	260	#endif /* !_SYS_WAIT_H_ */