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comparison src/gpf/inc/nuc/old/mb_defs.h @ 0:4e78acac3d88

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src/{condat,cs,gpf,nucleus}: import from Selenite
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 16 Oct 2020 06:23:26 +0000
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-1:000000000000 0:4e78acac3d88
1 /*************************************************************************/
2 /* */
3 /* Copyright (c) 1993-1996 Accelerated Technology, Inc. */
4 /* */
5 /* PROPRIETARY RIGHTS of Accelerated Technology are involved in the */
6 /* subject matter of this material. All manufacturing, reproduction, */
7 /* use, and sales rights pertaining to this subject matter are governed */
8 /* by the license agreement. The recipient of this software implicitly */
9 /* accepts the terms of the license. */
10 /* */
11 /*************************************************************************/
12
13 /*************************************************************************/
14 /* */
15 /* FILE NAME VERSION */
16 /* */
17 /* mb_defs.h PLUS 1.2 */
18 /* */
19 /* COMPONENT */
20 /* */
21 /* MB - Mailbox Management */
22 /* */
23 /* DESCRIPTION */
24 /* */
25 /* This file contains data structure definitions and constants for */
26 /* the message Mailbox component. */
27 /* */
28 /* AUTHOR */
29 /* */
30 /* William E. Lamie, Accelerated Technology, Inc. */
31 /* */
32 /* DATA STRUCTURES */
33 /* */
34 /* MB_MCB Mailbox control block */
35 /* MB_SUSPEND Mailbox suspension block */
36 /* */
37 /* FUNCTIONS */
38 /* */
39 /* None */
40 /* */
41 /* DEPENDENCIES */
42 /* */
43 /* cs_defs.h Common service definitions */
44 /* tc_defs.h Thread Control definitions */
45 /* */
46 /* HISTORY */
47 /* */
48 /* NAME DATE REMARKS */
49 /* */
50 /* W. Lamie 03-01-1993 Created initial version 1.0 */
51 /* D. Lamie 04-19-1993 Verified version 1.0 */
52 /* W. Lamie 03-01-1994 Moved include files outside of */
53 /* the file #ifndef to allow the */
54 /* use of actual data structures, */
55 /* removed protection structure */
56 /* inside of each mailbox, added */
57 /* padding logic, resulting in */
58 /* version 1.1 */
59 /* R. Pfaff - */
60 /* D. Lamie 03-18-1994 Verified version 1.1 */
61 /* M.Q. Qian 04-17-1996 updated to version 1.2 */
62 /* */
63 /*************************************************************************/
64
65 #include "cs_defs.h" /* Common service constants */
66 #include "tc_defs.h" /* Thread control constants */
67
68
69 /* Check to see if the file has been included already. */
70
71 #ifndef MB_DEFS
72 #define MB_DEFS
73
74
75 /* Define constants local to this component. */
76
77 #define MB_MAILBOX_ID 0x4d424f58UL
78 #define MB_MESSAGE_SIZE 4
79
80
81 /* Define the Mailbox Control Block data type. */
82
83 typedef struct MB_MCB_STRUCT
84 {
85 CS_NODE mb_created; /* Node for linking to */
86 /* created mailbox list */
87 UNSIGNED mb_id; /* Internal MCB ID */
88 CHAR mb_name[NU_MAX_NAME]; /* Mailbox name */
89 DATA_ELEMENT mb_message_present; /* Message present flag */
90 DATA_ELEMENT mb_fifo_suspend; /* Suspension type flag */
91 #if PAD_2
92 DATA_ELEMENT mb_padding[PAD_2];
93 #endif
94 UNSIGNED mb_tasks_waiting; /* Number of waiting tasks*/
95 UNSIGNED /* Message area */
96 mb_message_area[MB_MESSAGE_SIZE];
97 struct MB_SUSPEND_STRUCT
98 *mb_suspension_list; /* Suspension list */
99 } MB_MCB;
100
101
102 /* Define the mailbox suspension structure. This structure is allocated off of
103 the caller's stack. */
104
105 typedef struct MB_SUSPEND_STRUCT
106 {
107 CS_NODE mb_suspend_link; /* Link to suspend blocks */
108 MB_MCB *mb_mailbox; /* Pointer to the mailbox */
109 TC_TCB *mb_suspended_task; /* Task suspended */
110 UNSIGNED *mb_message_area; /* Pointer to message area*/
111 STATUS mb_return_status; /* Return status */
112 } MB_SUSPEND;
113
114 #endif