/*

 * 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 2008 Sun Microsystems, Inc.  All rights reserved.

 * Use is subject to license terms.

 */

#ifndef	_SYS_LWP_H

#define	_SYS_LWP_H

#include <sys/synch.h>

#include <sys/ucontext.h>

#ifdef	__cplusplus

extern "C" {

#endif

/*

 * lwp create flags

 */

#define	LWP_DAEMON	0x00000020

#define	LWP_DETACHED	0x00000040

#define	LWP_SUSPENDED	0x00000080

/*

 * Definitions for user programs calling into the _lwp interface.

 */

struct lwpinfo {

	timestruc_t lwp_utime;

	timestruc_t lwp_stime;

	long	    lwpinfo_pad[64];

};

#if defined(_SYSCALL32)

/* Kernel's view of user ILP32 lwpinfo structure */

struct lwpinfo32 {

	timestruc32_t	lwp_utime;

	timestruc32_t	lwp_stime;

	int32_t		lwpinfo_pad[64];

};

#endif	/* _SYSCALL32 */

#define	_LWP_FSBASE	0

#define	_LWP_GSBASE	1

#define	_LWP_SETPRIVATE	0

#define	_LWP_GETPRIVATE	1

#ifndef _KERNEL

int		_lwp_kill(lwpid_t, int);

int		_lwp_info(struct lwpinfo *);

lwpid_t		_lwp_self(void);

int		_lwp_suspend(lwpid_t);

int		_lwp_continue(lwpid_t);

#endif	/* _KERNEL */

#ifdef	__cplusplus

}

#endif

#endif	/* _SYS_LWP_H */