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comparison packages/kernel/current/include/mbox.hxx @ 2:443894e2e912 ecos-v1_2_1-release

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Block commit of eCos version 1.2.1
author jlarmour
date Tue, 11 May 1999 12:24:34 +0000
parents 3111d98ba7b3
children c38311975d4f
comparison
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1:72f549f0d891 2:443894e2e912
1 #ifndef CYGONCE_KERNEL_MBOX_HXX 1 #ifndef CYGONCE_KERNEL_MBOX_HXX
2 #define CYGONCE_KERNEL_MBOX_HXX 2 #define CYGONCE_KERNEL_MBOX_HXX
3 3
4 //========================================================================== 4 //==========================================================================
5 // 5 //
6 // mbox.hxx 6 // mbox.hxx
7 // 7 //
8 // Plain (void *) Mbox (Message Box/Mailbox) class declarations 8 // Plain (void *) Mbox (Message Box/Mailbox) class declarations
9 // 9 //
10 //========================================================================== 10 //==========================================================================
11 //####COPYRIGHTBEGIN#### 11 //####COPYRIGHTBEGIN####
12 // 12 //
13 // ------------------------------------------- 13 // -------------------------------------------
23 // 23 //
24 // The Original Code is eCos - Embedded Cygnus Operating System, released 24 // The Original Code is eCos - Embedded Cygnus Operating System, released
25 // September 30, 1998. 25 // September 30, 1998.
26 // 26 //
27 // The Initial Developer of the Original Code is Cygnus. Portions created 27 // The Initial Developer of the Original Code is Cygnus. Portions created
28 // by Cygnus are Copyright (C) 1998 Cygnus Solutions. All Rights Reserved. 28 // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved.
29 // ------------------------------------------- 29 // -------------------------------------------
30 // 30 //
31 //####COPYRIGHTEND#### 31 //####COPYRIGHTEND####
32 //========================================================================== 32 //==========================================================================
33 //#####DESCRIPTIONBEGIN#### 33 //#####DESCRIPTIONBEGIN####
34 // 34 //
35 // Author(s): hmt 35 // Author(s): hmt
36 // Contributors: hmt 36 // Contributors: hmt
37 // Date: 1998-02-10 37 // Date: 1998-02-10
38 // Purpose: Define Mbox class interfaces 38 // Purpose: Define Mbox class interfaces
39 // Description: The classes defined here provide the APIs for mboxes. 39 // Description: The classes defined here provide the APIs for mboxes.
40 // Usage: #include <cyg/kernel/mbox.hxx> 40 // Usage: #include <cyg/kernel/mbox.hxx>
41 // 41 //
42 // 42 //
43 //####DESCRIPTIONEND#### 43 //####DESCRIPTIONEND####
44 // 44 //
45 //========================================================================== 45 //==========================================================================
46 46
81 CYGDBG_DEFINE_CHECK_THIS 81 CYGDBG_DEFINE_CHECK_THIS
82 82
83 Cyg_Mbox(); // Constructor 83 Cyg_Mbox(); // Constructor
84 ~Cyg_Mbox(); // Destructor 84 ~Cyg_Mbox(); // Destructor
85 85
86 void * get(); // get an item; wait if none 86 void * get(); // get an item; wait if none
87 #ifdef CYGFUN_KERNEL_THREADS_TIMER 87 #ifdef CYGFUN_KERNEL_THREADS_TIMER
88 void * get( cyg_tick_count timeout ); 88 void * get( cyg_tick_count timeout );
89 #endif 89 #endif
90 void * tryget(); // just one attempt 90 void * tryget(); // just one attempt
91 91
92 void * peek_item(); // Get next item to be returned 92 void * peek_item(); // Get next item to be returned
93 // without removing it 93 // without removing it
94 94
95 #ifdef CYGMFN_KERNEL_SYNCH_MBOXT_PUT_CAN_WAIT // then we support it too 95 #ifdef CYGMFN_KERNEL_SYNCH_MBOXT_PUT_CAN_WAIT // then we support it too
96 cyg_bool put( void *item ); // put an item; wait if full 96 cyg_bool put( void *item ); // put an item; wait if full
97 #ifdef CYGFUN_KERNEL_THREADS_TIMER 97 #ifdef CYGFUN_KERNEL_THREADS_TIMER
98 cyg_bool put( void *item, cyg_tick_count timeout ); 98 cyg_bool put( void *item, cyg_tick_count timeout );
99 #endif 99 #endif
100 #endif 100 #endif
101 cyg_bool tryput( void *item ); // fails if Q full 101 cyg_bool tryput( void *item ); // fails if Q full
102 102
103 inline 103 inline
104 cyg_count32 peek() // Get current count value 104 cyg_count32 peek() // Get current count value
105 { 105 {
106 return m.peek(); 106 return m.peek();
107 } 107 }
108 108
109 inline 109 inline
110 cyg_bool waiting_to_get() // Any threads waiting to get? 110 cyg_bool waiting_to_get() // Any threads waiting to get?
111 { 111 {
112 return m.waiting_to_get(); 112 return m.waiting_to_get();
113 } 113 }
114 inline 114 inline
115 cyg_bool waiting_to_put() // Any threads waiting to put? 115 cyg_bool waiting_to_put() // Any threads waiting to put?
116 { 116 {
117 return m.waiting_to_put(); 117 return m.waiting_to_put();
118 } 118 }
119 }; 119 };
120 120