comparison src/gpf2/inc/nuc/qu_defs.h @ 1:864b8cc0cf63

src/gpf2: preened GPF goo from TCS211
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 25 Sep 2016 23:38:58 +0000
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0:945cf7f506b2 1:864b8cc0cf63
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 /* qu_defs.h PLUS 1.2 */
18 /* */
19 /* COMPONENT */
20 /* */
21 /* QU - Queue Management */
22 /* */
23 /* DESCRIPTION */
24 /* */
25 /* This file contains data structure definitions and constants for */
26 /* the message Queue component. */
27 /* */
28 /* AUTHOR */
29 /* */
30 /* William E. Lamie, Accelerated Technology, Inc. */
31 /* */
32 /* DATA STRUCTURES */
33 /* */
34 /* QU_QCB Queue control block */
35 /* QU_SUSPEND Queue 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 /* put padding into structure, */
57 /* resulting in version 1.1 */
58 /* R. Pfaff - */
59 /* D. Lamie 03-18-1994 Verified version 1.1 */
60 /* M.Q. Qian 04-17-1996 updated to version 1.2 */
61 /* */
62 /*************************************************************************/
63
64 #include "cs_defs.h" /* Common service constants */
65 #include "tc_defs.h" /* Thread control constants */
66
67
68 /* Check to see if the file has been included already. */
69
70 #ifndef QU_DEFS
71 #define QU_DEFS
72
73
74 /* Define constants local to this component. */
75
76 #define QU_QUEUE_ID 0x51554555UL
77
78
79 /* Define the Queue Control Block data type. */
80
81 typedef struct QU_QCB_STRUCT
82 {
83 CS_NODE qu_created; /* Node for linking to */
84 /* created queue list */
85 UNSIGNED qu_id; /* Internal QCB ID */
86 CHAR qu_name[NU_MAX_NAME]; /* Queue name */
87 DATA_ELEMENT qu_fixed_size; /* Fixed-size messages? */
88 DATA_ELEMENT qu_fifo_suspend; /* Suspension type flag */
89 #if PAD_2
90 DATA_ELEMENT qu_padding[PAD_2];
91 #endif
92 UNSIGNED qu_queue_size; /* Total size of queue */
93 UNSIGNED qu_messages; /* Messages in queue */
94 UNSIGNED qu_message_size; /* Size of each message */
95 UNSIGNED qu_available; /* Available words */
96 UNSIGNED_PTR qu_start; /* Start of queue area */
97 UNSIGNED_PTR qu_end; /* End of queue area + 1 */
98 UNSIGNED_PTR qu_read; /* Read pointer */
99 UNSIGNED_PTR qu_write; /* Write pointer */
100 UNSIGNED qu_tasks_waiting; /* Number of waiting tasks*/
101 struct QU_SUSPEND_STRUCT
102 *qu_urgent_list; /* Urgent message suspend */
103 struct QU_SUSPEND_STRUCT
104 *qu_suspension_list; /* Suspension list */
105 } QU_QCB;
106
107
108 /* Define the queue suspension structure. This structure is allocated off of
109 the caller's stack. */
110
111 typedef struct QU_SUSPEND_STRUCT
112 {
113 CS_NODE qu_suspend_link; /* Link to suspend blocks */
114 QU_QCB *qu_queue; /* Pointer to the queue */
115 TC_TCB *qu_suspended_task; /* Task suspended */
116 UNSIGNED_PTR qu_message_area; /* Pointer to message area*/
117 UNSIGNED qu_message_size; /* Message size requested */
118 UNSIGNED qu_actual_size; /* Actual size of message */
119 STATUS qu_return_status; /* Return status */
120 } QU_SUSPEND;
121
122 #endif