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comparison gpf/INC/NUC/pi_defs.h @ 0:509db1a7b7b8

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initial import: leo2moko-r1
author Space Falcon <falcon@ivan.Harhan.ORG>
date Mon, 01 Jun 2015 03:24:05 +0000
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-1:000000000000 0:509db1a7b7b8
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 /* pi_defs.h PLUS 1.2 */
18 /* */
19 /* COMPONENT */
20 /* */
21 /* PI - Pipe Management */
22 /* */
23 /* DESCRIPTION */
24 /* */
25 /* This file contains data structure definitions and constants for */
26 /* the message Pipe component. */
27 /* */
28 /* AUTHOR */
29 /* */
30 /* William E. Lamie, Accelerated Technology, Inc. */
31 /* */
32 /* DATA STRUCTURES */
33 /* */
34 /* PI_PCB Pipe control block */
35 /* PI_SUSPEND Pipe 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 PI_DEFS
71 #define PI_DEFS
72
73
74 /* Define constants local to this component. */
75
76 #define PI_PIPE_ID 0x50495045UL
77
78
79 /* Define the Pipe Control Block data type. */
80
81 typedef struct PI_PCB_STRUCT
82 {
83 CS_NODE pi_created; /* Node for linking to */
84 /* created pipe list */
85 UNSIGNED pi_id; /* Internal PCB ID */
86 CHAR pi_name[NU_MAX_NAME]; /* Pipe name */
87 DATA_ELEMENT pi_fixed_size; /* Fixed-size messages? */
88 DATA_ELEMENT pi_fifo_suspend; /* Suspension type flag */
89 #if PAD_2
90 DATA_ELEMENT pi_padding[PAD_2];
91 #endif
92 UNSIGNED pi_pipe_size; /* Total size of pipe */
93 UNSIGNED pi_messages; /* Messages in pipe */
94 UNSIGNED pi_message_size; /* Size of each message */
95 UNSIGNED pi_available; /* Available bytes */
96 BYTE_PTR pi_start; /* Start of pipe area */
97 BYTE_PTR pi_end; /* End of pipe area + 1 */
98 BYTE_PTR pi_read; /* Read pointer */
99 BYTE_PTR pi_write; /* Write pointer */
100 UNSIGNED pi_tasks_waiting; /* Number of waiting tasks*/
101 struct PI_SUSPEND_STRUCT
102 *pi_urgent_list; /* Urgent message suspend */
103 struct PI_SUSPEND_STRUCT
104 *pi_suspension_list; /* Suspension list */
105 } PI_PCB;
106
107
108 /* Define the Pipe suspension structure. This structure is allocated off of
109 the caller's stack. */
110
111 typedef struct PI_SUSPEND_STRUCT
112 {
113 CS_NODE pi_suspend_link; /* Link to suspend blocks */
114 PI_PCB *pi_pipe; /* Pointer to the pipe */
115 TC_TCB *pi_suspended_task; /* Task suspended */
116 BYTE_PTR pi_message_area; /* Pointer to message area*/
117 UNSIGNED pi_message_size; /* Message size requested */
118 UNSIGNED pi_actual_size; /* Actual size of message */
119 STATUS pi_return_status; /* Return status */
120 } PI_SUSPEND;
121
122 #endif