1 |
/* |
/* |
2 |
* Mach Operating System |
* Mach Operating System |
3 |
* Copyright (c) 1991,1990,1989 Carnegie Mellon University |
* Copyright (c) 1993-1989 Carnegie Mellon University |
4 |
* All Rights Reserved. |
* All Rights Reserved. |
5 |
* |
* |
6 |
* Permission to use, copy, modify and distribute this software and its |
* Permission to use, copy, modify and distribute this software and its |
7 |
* documentation is hereby granted, provided that both the copyright |
* documentation is hereby granted, provided that both the copyright |
8 |
* notice and this permission notice appear in all copies of the |
* notice and this permission notice appear in all copies of the |
9 |
* software, derivative works or modified versions, and any portions |
* software, derivative works or modified versions, and any portions |
10 |
* thereof, and that both notices appear in supporting documentation. |
* thereof, and that both notices appear in supporting documentation. |
11 |
* |
* |
12 |
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" |
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" |
13 |
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR |
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR |
14 |
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. |
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. |
15 |
* |
* |
16 |
* Carnegie Mellon requests users of this software to return to |
* Carnegie Mellon requests users of this software to return to |
17 |
* |
* |
18 |
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU |
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU |
19 |
* School of Computer Science |
* School of Computer Science |
20 |
* Carnegie Mellon University |
* Carnegie Mellon University |
21 |
* Pittsburgh PA 15213-3890 |
* Pittsburgh PA 15213-3890 |
22 |
* |
* |
23 |
* any improvements or extensions that they make and grant Carnegie Mellon |
* any improvements or extensions that they make and grant Carnegie Mellon |
24 |
* the rights to redistribute these changes. |
* the rights to redistribute these changes. |
25 |
*/ |
*/ |
26 |
/* |
/* |
27 |
* HISTORY |
* HISTORY |
28 |
|
* 26-Feb-94 Johannes Helander (jvh) at Helsinki University of Technology |
29 |
|
* Added mach_put_reply_port. mig_dealloc_reply_port now takes the |
30 |
|
* port as an argument. |
31 |
|
* |
32 |
* $Log$ |
* $Log$ |
33 |
* Revision 1.3 1993/11/18 20:57:46 mib |
* Revision 1.4 2002/05/27 02:50:10 roland |
34 |
* entered into RCS |
* 2002-05-26 Roland McGrath <roland@frob.com> |
35 |
|
* |
36 |
|
* Changes merged from CMU MK83a version: |
37 |
|
* * cthreads.h, options.h: Various cleanups. |
38 |
|
* * call.c, cthread_data.c, sync.c, mig_support.c: Likewise. |
39 |
|
* * i386/cthreads.h, i386/thread.c, i386/lock.s: Likewise. |
40 |
|
* * cthread_internals.h: Add decls for internal functions. |
41 |
|
* (struct cproc): Use vm_offset_t for stack_base and stack_size members. |
42 |
|
* Use natural_t for context member. |
43 |
|
* * cprocs.c: Use prototypes for all defns. |
44 |
|
* * cthreads.c: Likewise. |
45 |
|
* (cthread_exit): Cast any_t to integer_t before int. |
46 |
|
* |
47 |
|
* Revision 2.8 93/01/24 13:27:14 danner |
48 |
|
* Corrrected include of mach/mach.h to mach.h |
49 |
|
* [93/01/16 mrt] |
50 |
|
* |
51 |
|
* Revision 2.7 93/01/14 18:05:37 danner |
52 |
|
* Converted file to ANSI C. |
53 |
|
* Made argument to mig_init a void * for compatibility with |
54 |
|
* mig_init in libmach. |
55 |
|
* [92/12/18 pds] |
56 |
* |
* |
57 |
* Revision 2.6 91/05/14 17:57:41 mrt |
* Revision 2.6 91/05/14 17:57:41 mrt |
58 |
* Correcting copyright |
* Correcting copyright |
59 |
* |
* |
60 |
* Revision 2.5 91/02/14 14:20:30 mrt |
* Revision 2.5 91/02/14 14:20:30 mrt |
61 |
* Added new Mach copyright |
* Added new Mach copyright |
62 |
* [91/02/13 12:41:26 mrt] |
* [91/02/13 12:41:26 mrt] |
63 |
* |
* |
64 |
* Revision 2.4 90/08/07 14:31:41 rpd |
* Revision 2.4 90/08/07 14:31:41 rpd |
65 |
* Removed RCS keyword nonsense. |
* Removed RCS keyword nonsense. |
66 |
* |
* |
67 |
* Revision 2.3 90/08/07 14:27:48 rpd |
* Revision 2.3 90/08/07 14:27:48 rpd |
68 |
* When we recycle the global reply port by giving it to the first |
* When we recycle the global reply port by giving it to the first |
69 |
* cthread, clear the global reply port. This will take care of |
* cthread, clear the global reply port. This will take care of |
70 |
* someone accidently calling this twice. |
* someone accidently calling this twice. |
71 |
* [90/08/07 rwd] |
* [90/08/07 rwd] |
72 |
* |
* |
73 |
* Revision 2.2 90/06/02 15:14:04 rpd |
* Revision 2.2 90/06/02 15:14:04 rpd |
74 |
* Converted to new IPC. |
* Converted to new IPC. |
75 |
* [90/03/20 20:56:50 rpd] |
* [90/03/20 20:56:50 rpd] |
76 |
* |
* |
77 |
* Revision 2.1 89/08/03 17:09:50 rwd |
* Revision 2.1 89/08/03 17:09:50 rwd |
78 |
* Created. |
* Created. |
79 |
* |
* |
80 |
* 18-Jan-89 David Golub (dbg) at Carnegie-Mellon University |
* 18-Jan-89 David Golub (dbg) at Carnegie-Mellon University |
81 |
* Replaced task_data() by thread_reply(). |
* Replaced task_data() by thread_reply(). |
82 |
* |
* |
103 |
*/ |
*/ |
104 |
|
|
105 |
|
|
106 |
#include <mach/mach.h> |
#include <mach.h> |
107 |
|
#include <mach/mig_support.h> |
108 |
|
#include <mach/mach_traps.h> |
109 |
#include <cthreads.h> |
#include <cthreads.h> |
110 |
#include "cthread_internals.h" |
#include "cthread_internals.h" |
111 |
|
|
118 |
* called and again with initial cproc at end of cthread_init. |
* called and again with initial cproc at end of cthread_init. |
119 |
*/ |
*/ |
120 |
void |
void |
121 |
mig_init(initial) |
mig_init(register void *initial) |
|
register cproc_t initial; |
|
122 |
{ |
{ |
123 |
if (initial == NO_CPROC) { |
if (initial == NO_CPROC) { |
124 |
/* called from mach_init before cthread_init, |
/* called from mach_init before cthread_init, |
130 |
/* recycle global reply port as this cthread's reply port */ |
/* recycle global reply port as this cthread's reply port */ |
131 |
|
|
132 |
multithreaded = TRUE; |
multithreaded = TRUE; |
133 |
initial->reply_port = mig_reply_port; |
((cproc_t) initial)->reply_port = mig_reply_port; |
134 |
mig_reply_port = MACH_PORT_NULL; |
mig_reply_port = MACH_PORT_NULL; |
135 |
} |
} |
136 |
} |
} |
137 |
|
|
|
void |
|
|
__mig_init (initial) |
|
|
register cproc_t initial; |
|
|
{ |
|
|
mig_init (initial); |
|
|
} |
|
|
|
|
138 |
/* |
/* |
139 |
* Called by mig interface code whenever a reply port is needed. |
* Called by mig interface code whenever a reply port is needed. |
140 |
*/ |
*/ |
141 |
mach_port_t |
mach_port_t |
142 |
mig_get_reply_port() |
mig_get_reply_port(void) |
143 |
{ |
{ |
144 |
register mach_port_t reply_port; |
register mach_port_t reply_port; |
145 |
|
|
159 |
return reply_port; |
return reply_port; |
160 |
} |
} |
161 |
|
|
|
mach_port_t |
|
|
__mig_get_reply_port() |
|
|
{ |
|
|
return mig_get_reply_port(); |
|
|
} |
|
|
|
|
162 |
/* |
/* |
163 |
* Called by mig interface code after a timeout on the reply port. |
* Called by mig interface code after a timeout on the reply port. |
164 |
* May also be called by user. |
* May also be called by user. |
165 |
*/ |
*/ |
166 |
|
/*ARGSUSED*/ |
167 |
void |
void |
168 |
mig_dealloc_reply_port() |
mig_dealloc_reply_port(mach_port_t p) |
169 |
{ |
{ |
170 |
register mach_port_t reply_port; |
register mach_port_t reply_port; |
171 |
|
|
186 |
MACH_PORT_RIGHT_RECEIVE, -1); |
MACH_PORT_RIGHT_RECEIVE, -1); |
187 |
} |
} |
188 |
|
|
189 |
|
/* |
190 |
|
* Called by mig interfaces when done with a port. |
191 |
|
* Used to provide the same interface as needed when a custom |
192 |
|
* allocator is used. |
193 |
|
*/ |
194 |
|
|
195 |
|
/*ARGSUSED*/ |
196 |
|
void |
197 |
|
mig_put_reply_port(mach_port_t port) |
198 |
|
{ |
199 |
|
/* Do nothing */ |
200 |
|
} |
201 |
|
|
202 |
|
void |
203 |
|
__mig_init(register void *initial) |
204 |
|
{ |
205 |
|
mig_init (initial); |
206 |
|
} |
207 |
|
|
208 |
|
mach_port_t |
209 |
|
__mig_get_reply_port(void) |
210 |
|
{ |
211 |
|
return mig_get_reply_port(); |
212 |
|
} |
213 |
|
|
214 |
|
void |
215 |
|
__mig_dealloc_reply_port(mach_port_t p) |
216 |
|
{ |
217 |
|
mig_dealloc_reply_port(p); |
218 |
|
} |
219 |
|
|
220 |
|
void |
221 |
|
__mig_put_reply_port(mach_port_t port) |
222 |
|
{ |
223 |
|
mig_put_reply_port(port); |
224 |
|
} |
225 |
|
|
226 |
void |
void |
227 |
__mig_dealloc_reply_port () |
__mig_dealloc_reply_port (void) |
228 |
{ |
{ |
229 |
mig_dealloc_reply_port (); |
mig_dealloc_reply_port (); |
230 |
} |
} |