1 /*
2 * Copyright (c) 2001-2019, Arm Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7
8
9 /************* Include Files ****************/
10 #include <time.h>
11 #include "cc_pal_types.h"
12 #include "cc_pal_mutex.h"
13 #include "cc_pal_log.h"
14 #include <stdio.h>
15
16 /************************ Defines ******************************/
17
18 /************************ Enums ******************************/
19
20 /************************ Typedefs ******************************/
21
22 /************************ Global Data ******************************/
23
24 /************************ Private Functions ******************************/
25
26 /************************ Public Functions ******************************/
27
28 /**
29 * @brief This function purpose is to create a mutex.
30 *
31 *
32 * @param[out] pMutexId - Pointer to created mutex handle
33 *
34 * @return returns 0 on success, otherwise indicates failure
35 */
CC_PalMutexCreate(CC_PalMutex * pMutexId)36 CCError_t CC_PalMutexCreate(CC_PalMutex *pMutexId)
37 {
38 int rc = CC_SUCCESS;
39
40 rc = pthread_mutex_init(pMutexId, NULL);
41 if (rc != 0) {
42 printf /* CC_PAL_LOG_ERR */("pthread_mutex_init failed 0x%x", rc);
43 return CC_FAIL;
44 }
45 return CC_SUCCESS;
46 }
47
48
49 /**
50 * @brief This function purpose is to destroy a mutex
51 *
52 *
53 * @param[in] pMutexId - pointer to Mutex handle
54 *
55 * @return returns 0 on success, otherwise indicates failure
56 */
CC_PalMutexDestroy(CC_PalMutex * pMutexId)57 CCError_t CC_PalMutexDestroy(CC_PalMutex *pMutexId)
58 {
59 int rc = CC_SUCCESS;
60
61 rc = pthread_mutex_destroy(pMutexId);
62 if (rc != 0) {
63 printf /* CC_PAL_LOG_ERR */("pthread_mutex_destroy failed 0x%x", rc);
64 return CC_FAIL;
65 }
66 return CC_SUCCESS;
67 }
68
69
70 /**
71 * @brief This function purpose is to Wait for Mutex with aTimeOut. aTimeOut is
72 * specified in milliseconds. (CC_INFINITE is blocking)
73 *
74 *
75 * @param[in] pMutexId - pointer to Mutex handle
76 * @param[in] timeOut - timeout in mSec, or CC_INFINITE
77 *
78 * @return returns 0 on success, otherwise indicates failure
79 */
CC_PalMutexLock(CC_PalMutex * pMutexId,uint32_t timeOut)80 CCError_t CC_PalMutexLock (CC_PalMutex *pMutexId, uint32_t timeOut)
81 {
82 int rc = CC_SUCCESS;
83
84 timeOut = timeOut; // to remove compilation warnings
85
86 rc = pthread_mutex_lock(pMutexId);
87 if (rc != 0) {
88 printf /* CC_PAL_LOG_ERR */("pthread_mutex_lock failed 0x%x", rc);
89 return CC_FAIL;
90 }
91 return CC_SUCCESS;
92 }
93
94
95
96 /**
97 * @brief This function purpose is to release the mutex.
98 *
99 *
100 * @param[in] pMutexId - pointer to Mutex handle
101 *
102 * @return returns 0 on success, otherwise indicates failure
103 */
CC_PalMutexUnlock(CC_PalMutex * pMutexId)104 CCError_t CC_PalMutexUnlock (CC_PalMutex *pMutexId)
105 {
106 int rc = CC_SUCCESS;
107
108 rc = pthread_mutex_unlock(pMutexId);
109 if (rc != 0) {
110 printf /* CC_PAL_LOG_ERR */("pthread_mutex_unlock failed 0x%x", rc);
111 return CC_FAIL;
112 }
113 return CC_SUCCESS;
114 }
115
