xref: /titanic_41/usr/src/uts/common/sys/lwp.h (revision 74e20cfe817b82802b16fac8690dadcda76f54f5)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 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 #if defined(__i386) || defined(__amd64)
83 int		_lwp_private(int, int, void *);
84 #endif	/* __i386 || __amd64 */
85 
86 #endif	/* _KERNEL */
87 
88 #ifdef	__cplusplus
89 }
90 #endif
91 
92 #endif	/* _SYS_LWP_H */
93