1 |
|
|
/*************************************************************************** |
2 |
|
|
* Copyright (c) 2024 Microsoft Corporation |
3 |
|
|
* Copyright (c) 2026-present Eclipse ThreadX contributors |
4 |
|
|
* |
5 |
|
|
* This program and the accompanying materials are made available under the |
6 |
|
|
* terms of the MIT License which is available at |
7 |
|
|
* https://opensource.org/licenses/MIT. |
8 |
|
|
* |
9 |
|
|
* SPDX-License-Identifier: MIT |
10 |
|
|
**************************************************************************/ |
11 |
|
|
|
12 |
|
|
|
13 |
|
|
/**************************************************************************/ |
14 |
|
|
/**************************************************************************/ |
15 |
|
|
/** */ |
16 |
|
|
/** GUIX Component */ |
17 |
|
|
/** */ |
18 |
|
|
/** System Management (System) */ |
19 |
|
|
/** */ |
20 |
|
|
/**************************************************************************/ |
21 |
|
|
|
22 |
|
|
#define GX_SOURCE_CODE |
23 |
|
|
|
24 |
|
|
|
25 |
|
|
/* Include necessary system files. */ |
26 |
|
|
|
27 |
|
|
#include "gx_api.h" |
28 |
|
|
#include "gx_system.h" |
29 |
|
|
|
30 |
|
|
|
31 |
|
|
/**************************************************************************/ |
32 |
|
|
/* */ |
33 |
|
|
/* FUNCTION RELEASE */ |
34 |
|
|
/* */ |
35 |
|
|
/* _gx_system_unlock PORTABLE C */ |
36 |
|
|
/* 6.1 */ |
37 |
|
|
/* AUTHOR */ |
38 |
|
|
/* */ |
39 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
40 |
|
|
/* */ |
41 |
|
|
/* DESCRIPTION */ |
42 |
|
|
/* */ |
43 |
|
|
/* This function unlocks the GUIX system mutex */ |
44 |
|
|
/* */ |
45 |
|
|
/* INPUT */ |
46 |
|
|
/* */ |
47 |
|
|
/* None */ |
48 |
|
|
/* */ |
49 |
|
|
/* OUTPUT */ |
50 |
|
|
/* */ |
51 |
|
|
/* None */ |
52 |
|
|
/* */ |
53 |
|
|
/* CALLS */ |
54 |
|
|
/* */ |
55 |
|
|
/* tx_mutex_put Release the mutex */ |
56 |
|
|
/* _gx_system_error_process Process system error */ |
57 |
|
|
/* */ |
58 |
|
|
/* CALLED BY */ |
59 |
|
|
/* */ |
60 |
|
|
/* GUIX Internal Code */ |
61 |
|
|
/* */ |
62 |
|
|
/**************************************************************************/ |
63 |
|
689257 |
VOID _gx_system_unlock(VOID) |
64 |
|
|
{ |
65 |
|
|
#ifdef GX_THREADX_BINDING |
66 |
|
|
UINT protection_status; |
67 |
|
|
#endif |
68 |
|
|
|
69 |
✓✓ |
689257 |
if (_gx_system_lock_nesting > 0) |
70 |
|
|
{ |
71 |
|
689241 |
_gx_system_lock_nesting--; |
72 |
|
|
|
73 |
✓✓ |
689241 |
if (_gx_system_lock_nesting == 0) |
74 |
|
|
{ |
75 |
|
|
/* no thread has GUIX locked */ |
76 |
|
564098 |
_gx_system_lock_thread = GX_NULL; |
77 |
|
|
|
78 |
|
|
/* Release the protection prior to blocking on the event queue. */ |
79 |
|
|
|
80 |
|
|
#ifdef GX_THREADX_BINDING |
81 |
|
564098 |
protection_status = tx_mutex_put(&_gx_system_protect); |
82 |
|
|
/* Determine if the protection was successfully released. */ |
83 |
✓✓ |
564098 |
if (protection_status) |
84 |
|
|
{ |
85 |
|
|
|
86 |
|
|
/* Error releasing protection - call system error handler. */ |
87 |
|
96877 |
_gx_system_error_process(GX_SYSTEM_PROTECTION_ERROR); |
88 |
|
|
|
89 |
|
|
/* Return to exit the system thread. */ |
90 |
|
96877 |
return; |
91 |
|
|
} |
92 |
|
|
#else |
93 |
|
|
GX_SYSTEM_MUTEX_UNLOCK; |
94 |
|
|
#endif |
95 |
|
|
} |
96 |
|
|
} |
97 |
|
|
} |
98 |
|
|
|