1*b819cea2SGordon Ross /*
2*b819cea2SGordon Ross  * CDDL HEADER START
3*b819cea2SGordon Ross  *
4*b819cea2SGordon Ross  * The contents of this file are subject to the terms of the
5*b819cea2SGordon Ross  * Common Development and Distribution License (the "License").
6*b819cea2SGordon Ross  * You may not use this file except in compliance with the License.
7*b819cea2SGordon Ross  *
8*b819cea2SGordon Ross  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*b819cea2SGordon Ross  * or http://www.opensolaris.org/os/licensing.
10*b819cea2SGordon Ross  * See the License for the specific language governing permissions
11*b819cea2SGordon Ross  * and limitations under the License.
12*b819cea2SGordon Ross  *
13*b819cea2SGordon Ross  * When distributing Covered Code, include this CDDL HEADER in each
14*b819cea2SGordon Ross  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*b819cea2SGordon Ross  * If applicable, add the following below this CDDL HEADER, with the
16*b819cea2SGordon Ross  * fields enclosed by brackets "[]" replaced with your own identifying
17*b819cea2SGordon Ross  * information: Portions Copyright [yyyy] [name of copyright owner]
18*b819cea2SGordon Ross  *
19*b819cea2SGordon Ross  * CDDL HEADER END
20*b819cea2SGordon Ross  */
21*b819cea2SGordon Ross /*
22*b819cea2SGordon Ross  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
23*b819cea2SGordon Ross  * Use is subject to license terms.
24*b819cea2SGordon Ross  */
25*b819cea2SGordon Ross /*
26*b819cea2SGordon Ross  * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
27*b819cea2SGordon Ross  */
28*b819cea2SGordon Ross 
29*b819cea2SGordon Ross #ifndef	_SYS_KLWP_H
30*b819cea2SGordon Ross #define	_SYS_KLWP_H
31*b819cea2SGordon Ross 
32*b819cea2SGordon Ross #include <sys/types.h>
33*b819cea2SGordon Ross #include <sys/condvar.h>
34*b819cea2SGordon Ross #include <sys/thread.h>
35*b819cea2SGordon Ross #include <sys/signal.h>
36*b819cea2SGordon Ross 
37*b819cea2SGordon Ross #ifdef	__cplusplus
38*b819cea2SGordon Ross extern "C" {
39*b819cea2SGordon Ross #endif
40*b819cea2SGordon Ross 
41*b819cea2SGordon Ross /*
42*b819cea2SGordon Ross  * The light-weight process object and the methods by which it
43*b819cea2SGordon Ross  * is accessed.
44*b819cea2SGordon Ross  */
45*b819cea2SGordon Ross 
46*b819cea2SGordon Ross #define	MAXSYSARGS	8	/* Maximum # of arguments passed to a syscall */
47*b819cea2SGordon Ross 
48*b819cea2SGordon Ross /* lwp_eosys values */
49*b819cea2SGordon Ross #define	NORMALRETURN	0	/* normal return; adjusts PC, registers */
50*b819cea2SGordon Ross #define	JUSTRETURN	1	/* just return, leave registers alone */
51*b819cea2SGordon Ross 
52*b819cea2SGordon Ross typedef struct _klwp	*klwp_id_t;
53*b819cea2SGordon Ross 
54*b819cea2SGordon Ross typedef struct _klwp {
55*b819cea2SGordon Ross 	/*
56*b819cea2SGordon Ross 	 * linkage
57*b819cea2SGordon Ross 	 */
58*b819cea2SGordon Ross 	struct _kthread	*lwp_thread;
59*b819cea2SGordon Ross 	struct proc	*lwp_procp;
60*b819cea2SGordon Ross 
61*b819cea2SGordon Ross } klwp_t;
62*b819cea2SGordon Ross 
63*b819cea2SGordon Ross /* lwp states */
64*b819cea2SGordon Ross #define	LWP_USER	0x01		/* Running in user mode */
65*b819cea2SGordon Ross #define	LWP_SYS		0x02		/* Running in kernel mode */
66*b819cea2SGordon Ross 
67*b819cea2SGordon Ross #if	defined(_KERNEL)
68*b819cea2SGordon Ross extern	volatile int	lwp_default_stksize;
69*b819cea2SGordon Ross extern	klwp_t		lwp0;
70*b819cea2SGordon Ross 
71*b819cea2SGordon Ross /* where newly-created lwps normally start */
72*b819cea2SGordon Ross extern	void	lwp_rtt(void);
73*b819cea2SGordon Ross 
74*b819cea2SGordon Ross #endif	/* _KERNEL */
75*b819cea2SGordon Ross 
76*b819cea2SGordon Ross #ifdef	__cplusplus
77*b819cea2SGordon Ross }
78*b819cea2SGordon Ross #endif
79*b819cea2SGordon Ross 
80*b819cea2SGordon Ross #endif	/* _SYS_KLWP_H */