Jiho Chang | 61bc154 | 2012-03-24 05:52:01 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright@ Samsung Electronics Co. LTD |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | /*! |
| 18 | * \file ExynosMutex.h |
| 19 | * \brief header file for ExynosMutex |
| 20 | * \author Sangwoo, Park(sw5771.park@samsung.com) |
| 21 | * \date 2011/06/15 |
| 22 | * |
| 23 | * <b>Revision History: </b> |
| 24 | * - 2010/06/15 : Sangwoo, Park(sw5771.park@samsung.com) \n |
| 25 | * Initial version |
| 26 | * |
| 27 | */ |
| 28 | |
Jiho Chang | 61bc154 | 2012-03-24 05:52:01 +0900 | [diff] [blame] | 29 | #ifndef __EXYNOS_MUTEX_H__ |
| 30 | #define __EXYNOS_MUTEX_H__ |
| 31 | |
| 32 | #ifdef __cplusplus |
| 33 | |
| 34 | //! ExynosMutex |
| 35 | /*! |
| 36 | * \ingroup Exynos |
| 37 | */ |
| 38 | class ExynosMutex |
| 39 | { |
| 40 | public: |
| 41 | enum TYPE { |
| 42 | TYPE_BASE = 0, |
| 43 | TYPE_PRIVATE, //!< within this process |
| 44 | TYPE_SHARED, //!< within whole system |
| 45 | TYPE_MAX, |
| 46 | }; |
| 47 | |
Jiho Chang | 61bc154 | 2012-03-24 05:52:01 +0900 | [diff] [blame] | 48 | public: |
Jiho Chang | c3e0af6 | 2012-04-26 13:52:52 -0700 | [diff] [blame] | 49 | //! Constructor. |
| 50 | ExynosMutex(); |
Jiho Chang | 61bc154 | 2012-03-24 05:52:01 +0900 | [diff] [blame] | 51 | |
| 52 | //! Destructor |
| 53 | virtual ~ExynosMutex(); |
| 54 | |
Jiho Chang | c3e0af6 | 2012-04-26 13:52:52 -0700 | [diff] [blame] | 55 | //! Create Mutex |
| 56 | bool create(int type, char* name); |
| 57 | |
| 58 | //! Destroy Mutex |
| 59 | void destroy(void); |
| 60 | |
| 61 | //! Get Mutex created status |
| 62 | bool getCreatedStatus(void); |
| 63 | |
Jiho Chang | 61bc154 | 2012-03-24 05:52:01 +0900 | [diff] [blame] | 64 | //! Lock Mutex |
| 65 | bool lock(void); |
| 66 | |
| 67 | //! Unlock Mutex |
| 68 | bool unLock(void); |
| 69 | |
| 70 | //! trylock Mutex |
| 71 | bool tryLock(void); |
| 72 | |
| 73 | //! Get Mutex type |
| 74 | int getType(void); |
| 75 | |
Jiho Chang | 61bc154 | 2012-03-24 05:52:01 +0900 | [diff] [blame] | 76 | private: |
| 77 | void *m_mutex; |
Jiho Chang | c3e0af6 | 2012-04-26 13:52:52 -0700 | [diff] [blame] | 78 | bool m_flagCreate; |
Jiho Chang | 61bc154 | 2012-03-24 05:52:01 +0900 | [diff] [blame] | 79 | |
| 80 | int m_type; |
| 81 | char m_name[128]; |
| 82 | |
| 83 | public: |
| 84 | //! Autolock |
| 85 | /*! |
| 86 | * \ingroup ExynosMutex |
| 87 | */ |
| 88 | class Autolock { |
| 89 | public: |
| 90 | //! Lock on constructor |
| 91 | inline Autolock(ExynosMutex& mutex) : mLock(mutex) { mLock.lock(); } |
| 92 | |
| 93 | //! Lock on constructor |
| 94 | inline Autolock(ExynosMutex* mutex) : mLock(*mutex) { mLock.lock(); } |
| 95 | |
| 96 | //! Unlock on destructor |
| 97 | inline ~Autolock() { mLock.unLock(); } |
| 98 | private: |
| 99 | ExynosMutex& mLock; |
| 100 | }; |
| 101 | }; |
| 102 | |
| 103 | extern "C" { |
| 104 | #endif |
| 105 | |
| 106 | enum EXYNOS_MUTEX_TYPE { |
| 107 | EXYNOS_MUTEX_TYPE_BASE = 0, |
| 108 | EXYNOS_MUTEX_TYPE_PRIVATE, //!< within this process |
| 109 | EXYNOS_MUTEX_TYPE_SHARED, //!< within whole system |
| 110 | EXYNOS_MUTEX_TYPE_MAX, |
| 111 | }; |
| 112 | |
Jiho Chang | 61bc154 | 2012-03-24 05:52:01 +0900 | [diff] [blame] | 113 | void *exynos_mutex_create( |
| 114 | int type, |
| 115 | char *name); |
| 116 | |
| 117 | bool exynos_mutex_destroy( |
| 118 | void *handle); |
| 119 | |
| 120 | bool exynos_mutex_lock( |
| 121 | void *handle); |
| 122 | |
| 123 | bool exynos_mutex_unlock( |
| 124 | void *handle); |
| 125 | |
| 126 | bool exynos_mutex_trylock( |
| 127 | void *handle); |
| 128 | |
| 129 | int exynos_mutex_type( |
| 130 | void *handle); |
| 131 | |
Jiho Chang | c3e0af6 | 2012-04-26 13:52:52 -0700 | [diff] [blame] | 132 | bool exynos_mutex_get_created_status( |
Jiho Chang | 61bc154 | 2012-03-24 05:52:01 +0900 | [diff] [blame] | 133 | void *handle); |
| 134 | |
| 135 | #ifdef __cplusplus |
| 136 | } |
| 137 | #endif |
| 138 | |
| 139 | #endif //__EXYNOS_MUTEX_H__ |