xref: /titanic_41/usr/src/uts/common/sys/lwp.h (revision 7257d1b4d25bfac0c802847390e98a464fd787ac)
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 #ifndef	_SYS_LWP_H
28 #define	_SYS_LWP_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <sys/synch.h>
33 #include <sys/ucontext.h>
34 
35 #ifdef	__cplusplus
36 extern "C" {
37 #endif
38 
39 /*
40  * lwp create flags
41  */
42 #define	LWP_DAEMON	0x00000020
43 #define	LWP_DETACHED	0x00000040
44 #define	LWP_SUSPENDED	0x00000080
45 
46 /*
47  * Definitions for user programs calling into the _lwp interface.
48  */
49 struct lwpinfo {
50 	timestruc_t lwp_utime;
51 	timestruc_t lwp_stime;
52 	long	    lwpinfo_pad[64];
53 };
54 
55 #if defined(_SYSCALL32)
56 
57 /* Kernel's view of user ILP32 lwpinfo structure */
58 
59 struct lwpinfo32 {
60 	timestruc32_t	lwp_utime;
61 	timestruc32_t	lwp_stime;
62 	int32_t		lwpinfo_pad[64];
63 };
64 
65 #endif	/* _SYSCALL32 */
66 
67 #define	_LWP_FSBASE	0
68 #define	_LWP_GSBASE	1
69 
70 #define	_LWP_SETPRIVATE	0
71 #define	_LWP_GETPRIVATE	1
72 
73 #ifndef _KERNEL
74 
75 typedef uint_t lwpid_t;
76 
77 int		_lwp_kill(lwpid_t, int);
78 int		_lwp_info(struct lwpinfo *);
79 lwpid_t		_lwp_self(void);
80 int		_lwp_suspend(lwpid_t);
81 int		_lwp_continue(lwpid_t);
82 
83 #endif	/* _KERNEL */
84 
85 #ifdef	__cplusplus
86 }
87 #endif
88 
89 #endif	/* _SYS_LWP_H */
90