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comparison nuc-fw/nucleus/sm_defs.h @ 79:947b1f473960

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beginning of nuc-fw
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sun, 11 Aug 2013 07:17:25 +0000
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78:2c266d4339ff 79:947b1f473960
1 /*************************************************************************/
2 /* */
3 /* Copyright Mentor Graphics Corporation 2002 */
4 /* All Rights Reserved. */
5 /* */
6 /* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS */
7 /* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS */
8 /* SUBJECT TO LICENSE TERMS. */
9 /* */
10 /*************************************************************************/
11
12 /*************************************************************************/
13 /* */
14 /* FILE NAME VERSION */
15 /* */
16 /* sm_defs.h Nucleus PLUS 1.14 */
17 /* */
18 /* COMPONENT */
19 /* */
20 /* SM - Semaphore Management */
21 /* */
22 /* DESCRIPTION */
23 /* */
24 /* This file contains data structure definitions and constants for */
25 /* the Semaphore component. */
26 /* */
27 /* DATA STRUCTURES */
28 /* */
29 /* SM_SCB Semaphore control block */
30 /* SM_SUSPEND Semaphore suspension block */
31 /* */
32 /* FUNCTIONS */
33 /* */
34 /* None */
35 /* */
36 /* DEPENDENCIES */
37 /* */
38 /* cs_defs.h Common service definitions */
39 /* tc_defs.h Thread Control definitions */
40 /* */
41 /* HISTORY */
42 /* */
43 /* DATE REMARKS */
44 /* */
45 /* 03-01-1993 Created initial version 1.0 */
46 /* 04-19-1993 Verified version 1.0 */
47 /* 03-01-1994 Moved include files outside of */
48 /* the file #ifndef to allow the */
49 /* use of actual data structures, */
50 /* removed protection structure, */
51 /* put padding into structure, */
52 /* resulting in version 1.1 */
53 /* */
54 /* 03-18-1994 Verified version 1.1 */
55 /* 04-17-1996 updated to version 1.2 */
56 /* 03-24-1998 Released version 1.3 */
57 /* 03-26-1999 Released 1.11m (new release */
58 /* numbering scheme) */
59 /* 04-17-2002 Released version 1.13m */
60 /* 11-07-2002 Released version 1.14 */
61 /*************************************************************************/
62
63 #include "cs_defs.h" /* Common service constants */
64 #include "tc_defs.h" /* Thread control constants */
65
66
67 /* Check to see if the file has been included already. */
68
69 #ifndef SM_DEFS
70 #define SM_DEFS
71
72
73 /* Define constants local to this component. */
74
75 #define SM_SEMAPHORE_ID 0x53454d41UL
76
77
78 /* Define the Semaphore Control Block data type. */
79
80 typedef struct SM_SCB_STRUCT
81 {
82 CS_NODE sm_created; /* Node for linking to */
83 /* created semaphore list */
84 UNSIGNED sm_id; /* Internal SCB ID */
85 CHAR sm_name[NU_MAX_NAME]; /* Semaphore name */
86 UNSIGNED sm_semaphore_count; /* Counting semaphore */
87 BOOLEAN sm_fifo_suspend; /* Suspension type flag */
88 #if PAD_1
89 DATA_ELEMENT sm_padding[PAD_1];
90 #endif
91 UNSIGNED sm_tasks_waiting; /* Number of waiting tasks*/
92 struct SM_SUSPEND_STRUCT
93 *sm_suspension_list; /* Suspension list */
94 } SM_SCB;
95
96
97 /* Define the semaphore suspension structure. This structure is allocated
98 off of the caller's stack. */
99
100 typedef struct SM_SUSPEND_STRUCT
101 {
102 CS_NODE sm_suspend_link; /* Link to suspend blocks */
103 SM_SCB *sm_semaphore; /* Pointer to semaphore */
104 TC_TCB *sm_suspended_task; /* Task suspended */
105 STATUS sm_return_status; /* Return status */
106 } SM_SUSPEND;
107
108 #endif
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