/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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 2014 Garrett D'Amore <garrett@damore.org>
 *
 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 * Copyright (c) 2011 by Delphix. All rights reserved.
 */

#ifndef _SPAWN_H
#define	_SPAWN_H

#include <sys/feature_tests.h>
#include <sys/types.h>
#include <signal.h>
#include <sched.h>

#ifdef	__cplusplus
extern "C" {
#endif

/*
 * flags for posix_spawnattr_setflags()
 */
#define	POSIX_SPAWN_RESETIDS		0x0001
#define	POSIX_SPAWN_SETPGROUP		0x0002
#define	POSIX_SPAWN_SETSIGDEF		0x0004
#define	POSIX_SPAWN_SETSIGMASK		0x0008
#define	POSIX_SPAWN_SETSCHEDPARAM	0x0010
#define	POSIX_SPAWN_SETSCHEDULER	0x0020
/*
 * non-portable Solaris extensions
 */
#if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
#define	POSIX_SPAWN_SETSIGIGN_NP	0x0800
#define	POSIX_SPAWN_NOSIGCHLD_NP	0x1000
#define	POSIX_SPAWN_WAITPID_NP		0x2000
#define	POSIX_SPAWN_NOEXECERR_NP	0x4000
#endif	/* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */

typedef struct {
	void *__spawn_attrp;	/* implementation-private */
} posix_spawnattr_t;

typedef struct {
	void *__file_attrp;	/* implementation-private */
} posix_spawn_file_actions_t;

extern int posix_spawn(
	pid_t *_RESTRICT_KYWD pid,
	const char *_RESTRICT_KYWD path,
	const posix_spawn_file_actions_t *file_actions,
	const posix_spawnattr_t *_RESTRICT_KYWD attrp,
	char *const argv[_RESTRICT_KYWD],
	char *const envp[_RESTRICT_KYWD]);

extern int posix_spawnp(
	pid_t *_RESTRICT_KYWD pid,
	const char *_RESTRICT_KYWD file,
	const posix_spawn_file_actions_t *file_actions,
	const posix_spawnattr_t *_RESTRICT_KYWD attrp,
	char *const argv[_RESTRICT_KYWD],
	char *const envp[_RESTRICT_KYWD]);

extern int posix_spawn_file_actions_init(
	posix_spawn_file_actions_t *file_actions);

extern int posix_spawn_file_actions_destroy(
	posix_spawn_file_actions_t *file_actions);

extern int posix_spawn_file_actions_addopen(
	posix_spawn_file_actions_t *_RESTRICT_KYWD file_actions,
	int filedes,
	const char *_RESTRICT_KYWD path,
	int oflag,
	mode_t mode);

extern int posix_spawn_file_actions_addclose(
	posix_spawn_file_actions_t *file_actions,
	int filedes);

extern int posix_spawn_file_actions_adddup2(
	posix_spawn_file_actions_t *file_actions,
	int filedes,
	int newfiledes);

extern int posix_spawnattr_init(
	posix_spawnattr_t *attr);

extern int posix_spawnattr_destroy(
	posix_spawnattr_t *attr);

extern int posix_spawnattr_setflags(
	posix_spawnattr_t *attr,
	short flags);

extern int posix_spawnattr_getflags(
	const posix_spawnattr_t *_RESTRICT_KYWD attr,
	short *_RESTRICT_KYWD flags);

extern int posix_spawnattr_setpgroup(
	posix_spawnattr_t *attr,
	pid_t pgroup);

extern int posix_spawnattr_getpgroup(
	const posix_spawnattr_t *_RESTRICT_KYWD attr,
	pid_t *_RESTRICT_KYWD pgroup);

extern int posix_spawnattr_setschedparam(
	posix_spawnattr_t *_RESTRICT_KYWD attr,
	const struct sched_param *_RESTRICT_KYWD schedparam);

extern int posix_spawnattr_getschedparam(
	const posix_spawnattr_t *_RESTRICT_KYWD attr,
	struct sched_param *_RESTRICT_KYWD schedparam);

extern int posix_spawnattr_setschedpolicy(
	posix_spawnattr_t *attr,
	int schedpolicy);

extern int posix_spawnattr_getschedpolicy(
	const posix_spawnattr_t *_RESTRICT_KYWD attr,
	int *_RESTRICT_KYWD schedpolicy);

extern int posix_spawnattr_setsigdefault(
	posix_spawnattr_t *_RESTRICT_KYWD attr,
	const sigset_t *_RESTRICT_KYWD sigdefault);

extern int posix_spawnattr_getsigdefault(
	const posix_spawnattr_t *_RESTRICT_KYWD attr,
	sigset_t *_RESTRICT_KYWD sigdefault);

/*
 * non-portable Solaris extensions
 */
#if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)

extern int posix_spawn_pipe_np(
	pid_t *_RESTRICT_KYWD pidp,
	int *_RESTRICT_KYWD fdp,
	const char *_RESTRICT_KYWD cmd,
	boolean_t write,
	posix_spawn_file_actions_t *_RESTRICT_KYWD fact,
	posix_spawnattr_t *_RESTRICT_KYWD attr);

extern int posix_spawn_file_actions_addclosefrom_np(
	posix_spawn_file_actions_t *file_actions,
	int lowfiledes);

extern int posix_spawnattr_setsigignore_np(
	posix_spawnattr_t *_RESTRICT_KYWD attr,
	const sigset_t *_RESTRICT_KYWD sigignore);

extern int posix_spawnattr_getsigignore_np(
	const posix_spawnattr_t *_RESTRICT_KYWD attr,
	sigset_t *_RESTRICT_KYWD sigignore);

#endif	/* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */

extern int posix_spawnattr_setsigmask(
	posix_spawnattr_t *_RESTRICT_KYWD attr,
	const sigset_t *_RESTRICT_KYWD sigmask);

extern int posix_spawnattr_getsigmask(
	const posix_spawnattr_t *_RESTRICT_KYWD attr,
	sigset_t *_RESTRICT_KYWD sigmask);

#ifdef	__cplusplus
}
#endif

#endif	/* _SPAWN_H */