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comparison src/nucleus/hid.c @ 0:92470e5d0b9e

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src: partial import from FC Selenite
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 15 May 2020 01:28:16 +0000
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-1:000000000000 0:92470e5d0b9e
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 /* hid.c Nucleus PLUS 1.14 */
17 /* */
18 /* COMPONENT */
19 /* */
20 /* HI - History Management */
21 /* */
22 /* DESCRIPTION */
23 /* */
24 /* This file contains global data structures for use within the */
25 /* History Management component. */
26 /* */
27 /* DATA STRUCTURES */
28 /* */
29 /* HID_History_Enable History saving enabled flag */
30 /* HID_Write_Index Current write index into */
31 /* history table */
32 /* HID_Read_Index Current read index into */
33 /* history table */
34 /* HID_Entry_Count Number of entries in the */
35 /* table counter */
36 /* HID_History_Protect History protection */
37 /* */
38 /* FUNCTIONS */
39 /* */
40 /* None */
41 /* */
42 /* DEPENDENCIES */
43 /* */
44 /* hi_defs.h History Management constants */
45 /* */
46 /* HISTORY */
47 /* */
48 /* DATE REMARKS */
49 /* */
50 /* 03-01-1993 Created initial version 1.0 */
51 /* 04-19-1993 Verified version 1.0 */
52 /* 03-01-1994 Updated copyright notice, */
53 /* resulting in version 1.1 */
54 /* */
55 /* 03-18-1994 Verified version 1.1 */
56 /* 04-17-1996 updated to version 1.2 */
57 /* 03-24-1998 Released version 1.3 */
58 /* 03-26-1999 Released 1.11m (new release */
59 /* numbering scheme) */
60 /* 04-17-2002 Released version 1.13m */
61 /* 11-07-2002 Released version 1.14 */
62 /*************************************************************************/
63 #define NU_SOURCE_FILE
64
65 #include "hi_defs.h" /* History constants */
66
67
68 /* HID_History_Enable is a flag that indicates whether or not history saving
69 is enabled. If this value is NU_FALSE, history saving is disabled.
70 Otherwise, history saving is enabled. */
71
72 INT HID_History_Enable;
73
74
75 /* HID_Write_Index is the index of the next available entry in the history
76 table. */
77
78 INT HID_Write_Index;
79
80
81 /* HID_Read_Index is the index of the oldest entry in the history table. */
82
83 INT HID_Read_Index;
84
85
86 /* HID_Entry_Count keeps track of the number of entries currently
87 in the history table. */
88
89 INT HID_Entry_Count;
90
91
92 /* HID_History_Protect is a protection structure used to block any other
93 thread from access to the history data structures. */
94
95 TC_PROTECT HID_History_Protect;
96
97
98
99