xref: /titanic_41/usr/src/uts/common/sys/lwp.h (revision 0b42f15ac52b077791d4ba079e8c163c592c3fda)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 /*
27  * Copyright (c) 2013 by Delphix. All rights reserved.
28  */
29 
30 #ifndef	_SYS_LWP_H
31 #define	_SYS_LWP_H
32 
33 #include <sys/synch.h>
34 #include <sys/ucontext.h>
35 
36 #ifdef	__cplusplus
37 extern "C" {
38 #endif
39 
40 /*
41  * lwp create flags
42  */
43 #define	LWP_DAEMON	0x00000020
44 #define	LWP_DETACHED	0x00000040
45 #define	LWP_SUSPENDED	0x00000080
46 
47 /*
48  * Definitions for user programs calling into the _lwp interface.
49  */
50 struct lwpinfo {
51 	timestruc_t lwp_utime;
52 	timestruc_t lwp_stime;
53 	long	    lwpinfo_pad[64];
54 };
55 
56 #if defined(_SYSCALL32)
57 
58 /* Kernel's view of user ILP32 lwpinfo structure */
59 
60 struct lwpinfo32 {
61 	timestruc32_t	lwp_utime;
62 	timestruc32_t	lwp_stime;
63 	int32_t		lwpinfo_pad[64];
64 };
65 
66 #endif	/* _SYSCALL32 */
67 
68 typedef uint_t lwpid_t;
69 
70 #define	_LWP_FSBASE	0
71 #define	_LWP_GSBASE	1
72 
73 #define	_LWP_SETPRIVATE	0
74 #define	_LWP_GETPRIVATE	1
75 
76 #ifndef _KERNEL
77 
78 int		_lwp_kill(lwpid_t, int);
79 int		_lwp_info(struct lwpinfo *);
80 lwpid_t		_lwp_self(void);
81 int		_lwp_suspend(lwpid_t);
82 int		_lwp_continue(lwpid_t);
83 
84 #endif	/* _KERNEL */
85 
86 #ifdef	__cplusplus
87 }
88 #endif
89 
90 #endif	/* _SYS_LWP_H */
91