Mercurial > ecos

annotate packages/kernel/current/src/sync/mbox.cxx @ 66:bf00f99aec69 ecos-sw-2000-02-02

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge from eCos master repository on 2000-02-02-19:16:44-GMT
author jlarmour
date Wed, 02 Feb 2000 19:57:02 +0000
parents c38311975d4f
children e0c0827131d1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1 //==========================================================================
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
2 //
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
3 // mbox.cxx
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
4 //
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
5 // Mbox mbox template class implementation
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
6 //
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
7 //==========================================================================
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
8 //####COPYRIGHTBEGIN####
64
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 2
diff changeset
9 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 2
diff changeset
10 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 2
diff changeset
11 // The contents of this file are subject to the Red Hat eCos Public License
66
bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT
jlarmour
parents: 64
diff changeset
12 // Version 1.1 (the "License"); you may not use this file except in
64
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 2
diff changeset
13 // compliance with the License. You may obtain a copy of the License at
66
bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT
jlarmour
parents: 64
diff changeset
14 // http://www.redhat.com/
64
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 2
diff changeset
15 //
66
bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT
jlarmour
parents: 64
diff changeset
16 // Software distributed under the License is distributed on an "AS IS"
64
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 2
diff changeset
17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 2
diff changeset
18 // License for the specific language governing rights and limitations under
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 2
diff changeset
19 // the License.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 2
diff changeset
20 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 2
diff changeset
21 // The Original Code is eCos - Embedded Configurable Operating System,
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 2
diff changeset
22 // released September 30, 1998.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 2
diff changeset
23 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 2
diff changeset
24 // The Initial Developer of the Original Code is Red Hat.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 2
diff changeset
25 // Portions created by Red Hat are
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 2
diff changeset
26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 2
diff changeset
27 // All Rights Reserved.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 2
diff changeset
28 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 2
diff changeset
29 //
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
30 //####COPYRIGHTEND####
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
31 //==========================================================================
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
32 //#####DESCRIPTIONBEGIN####
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
33 //
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
34 // Author(s): hmt
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
35 // Contributors: hmt
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
36 // Date: 1998-02-11
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
37 // Purpose: Mbox implementation
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
38 // Description: This file contains the implementations of the mbox class
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
39 //
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
40 //####DESCRIPTIONEND####
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
41 //
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
42 //==========================================================================
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
43
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
44 #include <pkgconf/kernel.h>
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
45
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
46 #include <cyg/kernel/ktypes.h> // base kernel types
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
47 #include <cyg/infra/cyg_trac.h> // tracing macros
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
48 #include <cyg/infra/cyg_ass.h> // assertion macros
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
49 #include <cyg/kernel/instrmnt.h> // instrumentation
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
50
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
51 #include <cyg/kernel/thread.inl> // Cyg_Thread inlines
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
52
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
53 #include <cyg/kernel/mbox.hxx> // our own header
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
54
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
55 #ifndef CYGIMP_MBOXT_INLINE // force inlining
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
56 #define CYGIMP_MBOXT_INLINE // of implementation
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
57 #endif
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
58
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
59 #ifdef CYGIMP_MBOX_USE_MBOXT_PLAIN
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
60 #include <cyg/kernel/mboxt.inl> // mbox template implementation
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
61 #else
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
62 #include <cyg/kernel/mboxt2.inl> // mbox template implementation
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
63 #endif
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
64
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
65 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
66 // This module exists to cause exactly one instance of these functions to
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
67 // exist; this is just like a vanilla class, except we use the template
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
68 // class to acquire an implementation. The template functions are inlined
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
69 // in each of these methods.
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
70
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
71
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
72 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
73 // Constructor
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
74
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
75 Cyg_Mbox::Cyg_Mbox()
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
76 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
77 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
78
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
79 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
80 // Destructor
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
81
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
82 Cyg_Mbox::~Cyg_Mbox()
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
83 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
84 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
85
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
86 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
87 // debugging/assert function
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
88
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
89 #ifdef CYGDBG_USE_ASSERTS
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
90 cyg_bool
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
91 Cyg_Mbox::check_this(cyg_assert_class_zeal zeal) const
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
92 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
93 return m.check_this(zeal);
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
94 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
95 #endif
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
96
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
97 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
98 // now the members themselves:
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
99
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
100 void *
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
101 Cyg_Mbox::get()
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
102 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
103 void * p;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
104 if ( ! m.get( p ) )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
105 return NULL;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
106 return p;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
107 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
108
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
109 #ifdef CYGFUN_KERNEL_THREADS_TIMER
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
110 void *
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
111 Cyg_Mbox::get( cyg_tick_count timeout )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
112 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
113 void * p;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
114 if ( ! m.get( p, timeout ) )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
115 return NULL;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
116 return p;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
117 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
118 #endif
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
119
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
120 void *
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
121 Cyg_Mbox::tryget()
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
122 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
123 void * p;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
124 if ( ! m.tryget( p ) )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
125 return NULL;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
126 return p;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
127 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
128
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
129 #ifdef CYGMFN_KERNEL_SYNCH_MBOXT_PUT_CAN_WAIT
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
130 cyg_bool
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
131 Cyg_Mbox::put( void *item )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
132 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
133 return m.put( item );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
134 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
135
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
136 #ifdef CYGFUN_KERNEL_THREADS_TIMER
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
137 cyg_bool
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
138 Cyg_Mbox::put( void *item, cyg_tick_count timeout )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
139 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
140 return m.put( item, timeout );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
141 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
142 #endif
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
143 #endif // CYGMFN_KERNEL_SYNCH_MBOXT_PUT_CAN_WAIT
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
144
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
145 cyg_bool
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
146 Cyg_Mbox::tryput( void *item )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
147 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
148 return m.tryput( item );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
149 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
150
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
151 void *
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
152 Cyg_Mbox::peek_item() // Get next item to be returned
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
153 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
154 void *p;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
155 if ( ! m.peek_item( p ) )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
156 return NULL;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
157 return p;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
158 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
159
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
160 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
161 // EOF mbox.cxx