1 /***************************************************************************
2 * Copyright (c) 2024 Microsoft Corporation
3 *
4 * This program and the accompanying materials are made available under the
5 * terms of the MIT License which is available at
6 * https://opensource.org/licenses/MIT.
7 *
8 * SPDX-License-Identifier: MIT
9 **************************************************************************/
10
11
12 /**************************************************************************/
13 /**************************************************************************/
14 /** */
15 /** ThreadX Component */
16 /** */
17 /** Semaphore */
18 /** */
19 /**************************************************************************/
20 /**************************************************************************/
21
22 #define TX_SOURCE_CODE
23
24
25 /* Include necessary system files. */
26
27 #include "tx_api.h"
28 #include "tx_semaphore.h"
29
30
31 /**************************************************************************/
32 /* */
33 /* FUNCTION RELEASE */
34 /* */
35 /* _txe_semaphore_put PORTABLE C */
36 /* 6.1 */
37 /* AUTHOR */
38 /* */
39 /* William E. Lamie, Microsoft Corporation */
40 /* */
41 /* DESCRIPTION */
42 /* */
43 /* This function checks for errors in the semaphore put function call. */
44 /* */
45 /* INPUT */
46 /* */
47 /* semaphore_ptr Pointer to semaphore control block*/
48 /* */
49 /* OUTPUT */
50 /* */
51 /* TX_SEMAPHORE_ERROR Invalid semaphore pointer */
52 /* status Actual completion status */
53 /* */
54 /* CALLS */
55 /* */
56 /* _tx_semaphore_put Actual put semaphore function */
57 /* */
58 /* CALLED BY */
59 /* */
60 /* Application Code */
61 /* */
62 /* RELEASE HISTORY */
63 /* */
64 /* DATE NAME DESCRIPTION */
65 /* */
66 /* 05-19-2020 William E. Lamie Initial Version 6.0 */
67 /* 09-30-2020 Yuxin Zhou Modified comment(s), */
68 /* resulting in version 6.1 */
69 /* */
70 /**************************************************************************/
_txe_semaphore_put(TX_SEMAPHORE * semaphore_ptr)71 UINT _txe_semaphore_put(TX_SEMAPHORE *semaphore_ptr)
72 {
73
74 UINT status;
75
76
77 /* Check for an invalid semaphore pointer. */
78 if (semaphore_ptr == TX_NULL)
79 {
80
81 /* Semaphore pointer is invalid, return appropriate error code. */
82 status = TX_SEMAPHORE_ERROR;
83 }
84
85 /* Now check for invalid semaphore ID. */
86 else if (semaphore_ptr -> tx_semaphore_id != TX_SEMAPHORE_ID)
87 {
88
89 /* Semaphore pointer is invalid, return appropriate error code. */
90 status = TX_SEMAPHORE_ERROR;
91 }
92 else
93 {
94
95 /* Call actual put semaphore function. */
96 status = _tx_semaphore_put(semaphore_ptr);
97 }
98
99 /* Return completion status. */
100 return(status);
101 }
102
103
