/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

/*
 * Copyright 2014 Garrett D'Amore <garrett@damore.org>
 *
 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_WAIT_H
#define _SYS_WAIT_H

#include <sys/feature_tests.h>

#include <sys/types.h>

#if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
#include <sys/resource.h>       /* Added for XSH4.2 */
#include <sys/siginfo.h>
#include <sys/procset.h>
#endif /* !defined(__XOPEN_OR_POSIX) || (defined(_XPG4_2) ... */

#ifdef  __cplusplus
extern "C" {
#endif

/*
 * arguments to wait functions
 */

#define WUNTRACED       0004    /* wait for processes stopped by signals */
#define WNOHANG         0100    /* non blocking form of wait    */


#if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
#define WEXITED         0001    /* wait for processes that have exited  */
#define WTRAPPED        0002    /* wait for processes stopped while tracing */
#define WSTOPPED        WUNTRACED /* backwards compatibility */
#define WCONTINUED      0010    /* wait for processes continued */
#define WNOWAIT         0200    /* non destructive form of wait */
#define WOPTMASK (WEXITED|WTRAPPED|WSTOPPED|WCONTINUED|WNOHANG|WNOWAIT)
#endif /* !defined(__XOPEN_OR_POSIX) || (defined(_XPG4_2) ... */

/*
 * macros for stat return from wait functions
 */

#if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)

#define WSTOPFLG                0177
#define WCONTFLG                0177777
#define WCOREFLG                0200
#define WSIGMASK                0177

#define WLOBYTE(stat)           ((int)((stat)&0377))
#define WHIBYTE(stat)           ((int)(((stat)>>8)&0377))
#define WWORD(stat)             ((int)((stat))&0177777)

#define WIFCONTINUED(stat)      (WWORD(stat) == WCONTFLG)
#define WCOREDUMP(stat)         ((stat)&WCOREFLG)

#endif /* !defined(__XOPEN_OR_POSIX) || (defined(_XPG4_2) ... */

#define WIFEXITED(stat)         ((int)((stat)&0xFF) == 0)
#define WIFSIGNALED(stat)       ((int)((stat)&0xFF) > 0 && \
                                    (int)((stat)&0xFF00) == 0)
#define WIFSTOPPED(stat)        ((int)((stat)&0xFF) == 0177 && \
                                    (int)((stat)&0xFF00) != 0)
#define WEXITSTATUS(stat)       ((int)(((stat)>>8)&0xFF))
#define WTERMSIG(stat)          ((int)((stat)&0x7F))
#define WSTOPSIG(stat)          ((int)(((stat)>>8)&0xFF))


#if !defined(_KERNEL)

extern pid_t wait(int *);
extern pid_t waitpid(pid_t, int *, int);

#if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
extern int waitid(idtype_t, id_t, siginfo_t *, int);
/* Marked as LEGACY in SUSv2 and removed in SUSv3 */
#if !defined(_XPG6) || defined(__EXTENSIONS__)
extern pid_t wait3(int *, int, struct rusage *);
#endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */
#endif /* !defined(__XOPEN_OR_POSIX) || (defined(_XPG4_2) ... */

#if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
extern pid_t wait4(pid_t, int *, int, struct rusage *);
#endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */

#endif  /* _KERNEL */

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_WAIT_H */