diff options
| author | 2014-09-02 22:05:45 -0700 | |
|---|---|---|
| committer | 2014-09-07 14:31:07 -0700 | |
| commit | 498d1a37f16d36b0c6341b074e5390a9194567a7 (patch) | |
| tree | adbf248d2b6d18e475f2d5390ff8ed7d37b6a877 /src/common/std_mutex.h | |
| parent | Merge pull request #88 from archshift/remove-atomic (diff) | |
| download | yuzu-498d1a37f16d36b0c6341b074e5390a9194567a7.tar.gz yuzu-498d1a37f16d36b0c6341b074e5390a9194567a7.tar.xz yuzu-498d1a37f16d36b0c6341b074e5390a9194567a7.zip | |
Removed common/std_xyz, instead using the std header
Diffstat (limited to 'src/common/std_mutex.h')
| -rw-r--r-- | src/common/std_mutex.h | 362 |
1 files changed, 0 insertions, 362 deletions
diff --git a/src/common/std_mutex.h b/src/common/std_mutex.h deleted file mode 100644 index 5711d791b..000000000 --- a/src/common/std_mutex.h +++ /dev/null | |||
| @@ -1,362 +0,0 @@ | |||
| 1 | #pragma once | ||
| 2 | |||
| 3 | #define GCC_VER(x,y,z) ((x) * 10000 + (y) * 100 + (z)) | ||
| 4 | #define GCC_VERSION GCC_VER(__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__) | ||
| 5 | |||
| 6 | #ifndef __has_include | ||
| 7 | #define __has_include(s) 0 | ||
| 8 | #endif | ||
| 9 | |||
| 10 | #if GCC_VERSION >= GCC_VER(4,4,0) && __GXX_EXPERIMENTAL_CXX0X__ | ||
| 11 | // GCC 4.4 provides <mutex> | ||
| 12 | #include <mutex> | ||
| 13 | #elif __has_include(<mutex>) && !ANDROID | ||
| 14 | // Clang + libc++ | ||
| 15 | #include <mutex> | ||
| 16 | #else | ||
| 17 | |||
| 18 | // partial <mutex> implementation for win32/pthread | ||
| 19 | |||
| 20 | #include <algorithm> | ||
| 21 | |||
| 22 | #if defined(_WIN32) | ||
| 23 | // WIN32 | ||
| 24 | #define WIN32_LEAN_AND_MEAN | ||
| 25 | #include <Windows.h> | ||
| 26 | |||
| 27 | #else | ||
| 28 | // POSIX | ||
| 29 | #include <pthread.h> | ||
| 30 | |||
| 31 | #endif | ||
| 32 | |||
| 33 | #if (_MSC_VER >= 1600) || (GCC_VERSION >= GCC_VER(4,3,0) && __GXX_EXPERIMENTAL_CXX0X__) | ||
| 34 | #define USE_RVALUE_REFERENCES | ||
| 35 | #endif | ||
| 36 | |||
| 37 | #if defined(_WIN32) && defined(_M_X64) | ||
| 38 | #define USE_SRWLOCKS | ||
| 39 | #endif | ||
| 40 | |||
| 41 | namespace std | ||
| 42 | { | ||
| 43 | |||
| 44 | class recursive_mutex | ||
| 45 | { | ||
| 46 | #ifdef _WIN32 | ||
| 47 | typedef CRITICAL_SECTION native_type; | ||
| 48 | #else | ||
| 49 | typedef pthread_mutex_t native_type; | ||
| 50 | #endif | ||
| 51 | |||
| 52 | public: | ||
| 53 | typedef native_type* native_handle_type; | ||
| 54 | |||
| 55 | recursive_mutex(const recursive_mutex&) /*= delete*/; | ||
| 56 | recursive_mutex& operator=(const recursive_mutex&) /*= delete*/; | ||
| 57 | |||
| 58 | recursive_mutex() | ||
| 59 | { | ||
| 60 | #ifdef _WIN32 | ||
| 61 | InitializeCriticalSection(&m_handle); | ||
| 62 | #else | ||
| 63 | pthread_mutexattr_t attr; | ||
| 64 | pthread_mutexattr_init(&attr); | ||
| 65 | pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); | ||
| 66 | pthread_mutex_init(&m_handle, &attr); | ||
| 67 | #endif | ||
| 68 | } | ||
| 69 | |||
| 70 | ~recursive_mutex() | ||
| 71 | { | ||
| 72 | #ifdef _WIN32 | ||
| 73 | DeleteCriticalSection(&m_handle); | ||
| 74 | #else | ||
| 75 | pthread_mutex_destroy(&m_handle); | ||
| 76 | #endif | ||
| 77 | } | ||
| 78 | |||
| 79 | void lock() | ||
| 80 | { | ||
| 81 | #ifdef _WIN32 | ||
| 82 | EnterCriticalSection(&m_handle); | ||
| 83 | #else | ||
| 84 | pthread_mutex_lock(&m_handle); | ||
| 85 | #endif | ||
| 86 | } | ||
| 87 | |||
| 88 | void unlock() | ||
| 89 | { | ||
| 90 | #ifdef _WIN32 | ||
| 91 | LeaveCriticalSection(&m_handle); | ||
| 92 | #else | ||
| 93 | pthread_mutex_unlock(&m_handle); | ||
| 94 | #endif | ||
| 95 | } | ||
| 96 | |||
| 97 | bool try_lock() | ||
| 98 | { | ||
| 99 | #ifdef _WIN32 | ||
| 100 | return (0 != TryEnterCriticalSection(&m_handle)); | ||
| 101 | #else | ||
| 102 | return !pthread_mutex_trylock(&m_handle); | ||
| 103 | #endif | ||
| 104 | } | ||
| 105 | |||
| 106 | native_handle_type native_handle() | ||
| 107 | { | ||
| 108 | return &m_handle; | ||
| 109 | } | ||
| 110 | |||
| 111 | private: | ||
| 112 | native_type m_handle; | ||
| 113 | }; | ||
| 114 | |||
| 115 | #if !defined(_WIN32) || defined(USE_SRWLOCKS) | ||
| 116 | |||
| 117 | class mutex | ||
| 118 | { | ||
| 119 | #ifdef _WIN32 | ||
| 120 | typedef SRWLOCK native_type; | ||
| 121 | #else | ||
| 122 | typedef pthread_mutex_t native_type; | ||
| 123 | #endif | ||
| 124 | |||
| 125 | public: | ||
| 126 | typedef native_type* native_handle_type; | ||
| 127 | |||
| 128 | mutex(const mutex&) /*= delete*/; | ||
| 129 | mutex& operator=(const mutex&) /*= delete*/; | ||
| 130 | |||
| 131 | mutex() | ||
| 132 | { | ||
| 133 | #ifdef _WIN32 | ||
| 134 | InitializeSRWLock(&m_handle); | ||
| 135 | #else | ||
| 136 | pthread_mutex_init(&m_handle, NULL); | ||
| 137 | #endif | ||
| 138 | } | ||
| 139 | |||
| 140 | ~mutex() | ||
| 141 | { | ||
| 142 | #ifdef _WIN32 | ||
| 143 | #else | ||
| 144 | pthread_mutex_destroy(&m_handle); | ||
| 145 | #endif | ||
| 146 | } | ||
| 147 | |||
| 148 | void lock() | ||
| 149 | { | ||
| 150 | #ifdef _WIN32 | ||
| 151 | AcquireSRWLockExclusive(&m_handle); | ||
| 152 | #else | ||
| 153 | pthread_mutex_lock(&m_handle); | ||
| 154 | #endif | ||
| 155 | } | ||
| 156 | |||
| 157 | void unlock() | ||
| 158 | { | ||
| 159 | #ifdef _WIN32 | ||
| 160 | ReleaseSRWLockExclusive(&m_handle); | ||
| 161 | #else | ||
| 162 | pthread_mutex_unlock(&m_handle); | ||
| 163 | #endif | ||
| 164 | } | ||
| 165 | |||
| 166 | bool try_lock() | ||
| 167 | { | ||
| 168 | #ifdef _WIN32 | ||
| 169 | // XXX TryAcquireSRWLockExclusive requires Windows 7! | ||
| 170 | // return (0 != TryAcquireSRWLockExclusive(&m_handle)); | ||
| 171 | return false; | ||
| 172 | #else | ||
| 173 | return !pthread_mutex_trylock(&m_handle); | ||
| 174 | #endif | ||
| 175 | } | ||
| 176 | |||
| 177 | native_handle_type native_handle() | ||
| 178 | { | ||
| 179 | return &m_handle; | ||
| 180 | } | ||
| 181 | |||
| 182 | private: | ||
| 183 | native_type m_handle; | ||
| 184 | }; | ||
| 185 | |||
| 186 | #else | ||
| 187 | typedef recursive_mutex mutex; // just use CriticalSections | ||
| 188 | |||
| 189 | #endif | ||
| 190 | |||
| 191 | enum defer_lock_t { defer_lock }; | ||
| 192 | enum try_to_lock_t { try_to_lock }; | ||
| 193 | enum adopt_lock_t { adopt_lock }; | ||
| 194 | |||
| 195 | template <class Mutex> | ||
| 196 | class lock_guard | ||
| 197 | { | ||
| 198 | public: | ||
| 199 | typedef Mutex mutex_type; | ||
| 200 | |||
| 201 | explicit lock_guard(mutex_type& m) | ||
| 202 | : pm(m) | ||
| 203 | { | ||
| 204 | m.lock(); | ||
| 205 | } | ||
| 206 | |||
| 207 | lock_guard(mutex_type& m, adopt_lock_t) | ||
| 208 | : pm(m) | ||
| 209 | { | ||
| 210 | } | ||
| 211 | |||
| 212 | ~lock_guard() | ||
| 213 | { | ||
| 214 | pm.unlock(); | ||
| 215 | } | ||
| 216 | |||
| 217 | lock_guard(lock_guard const&) /*= delete*/; | ||
| 218 | lock_guard& operator=(lock_guard const&) /*= delete*/; | ||
| 219 | |||
| 220 | private: | ||
| 221 | mutex_type& pm; | ||
| 222 | }; | ||
| 223 | |||
| 224 | template <class Mutex> | ||
| 225 | class unique_lock | ||
| 226 | { | ||
| 227 | public: | ||
| 228 | typedef Mutex mutex_type; | ||
| 229 | |||
| 230 | unique_lock() | ||
| 231 | : pm(NULL), owns(false) | ||
| 232 | {} | ||
| 233 | |||
| 234 | /*explicit*/ unique_lock(mutex_type& m) | ||
| 235 | : pm(&m), owns(true) | ||
| 236 | { | ||
| 237 | m.lock(); | ||
| 238 | } | ||
| 239 | |||
| 240 | unique_lock(mutex_type& m, defer_lock_t) | ||
| 241 | : pm(&m), owns(false) | ||
| 242 | {} | ||
| 243 | |||
| 244 | unique_lock(mutex_type& m, try_to_lock_t) | ||
| 245 | : pm(&m), owns(m.try_lock()) | ||
| 246 | {} | ||
| 247 | |||
| 248 | unique_lock(mutex_type& m, adopt_lock_t) | ||
| 249 | : pm(&m), owns(true) | ||
| 250 | {} | ||
| 251 | |||
| 252 | //template <class Clock, class Duration> | ||
| 253 | //unique_lock(mutex_type& m, const chrono::time_point<Clock, Duration>& abs_time); | ||
| 254 | |||
| 255 | //template <class Rep, class Period> | ||
| 256 | //unique_lock(mutex_type& m, const chrono::duration<Rep, Period>& rel_time); | ||
| 257 | |||
| 258 | ~unique_lock() | ||
| 259 | { | ||
| 260 | if (owns_lock()) | ||
| 261 | mutex()->unlock(); | ||
| 262 | } | ||
| 263 | |||
| 264 | #ifdef USE_RVALUE_REFERENCES | ||
| 265 | unique_lock& operator=(const unique_lock&) /*= delete*/; | ||
| 266 | |||
| 267 | unique_lock& operator=(unique_lock&& other) | ||
| 268 | { | ||
| 269 | #else | ||
| 270 | unique_lock& operator=(const unique_lock& u) | ||
| 271 | { | ||
| 272 | // ugly const_cast to get around lack of rvalue references | ||
| 273 | unique_lock& other = const_cast<unique_lock&>(u); | ||
| 274 | #endif | ||
| 275 | swap(other); | ||
| 276 | return *this; | ||
| 277 | } | ||
| 278 | |||
| 279 | #ifdef USE_RVALUE_REFERENCES | ||
| 280 | unique_lock(const unique_lock&) /*= delete*/; | ||
| 281 | |||
| 282 | unique_lock(unique_lock&& other) | ||
| 283 | : pm(NULL), owns(false) | ||
| 284 | { | ||
| 285 | #else | ||
| 286 | unique_lock(const unique_lock& u) | ||
| 287 | : pm(NULL), owns(false) | ||
| 288 | { | ||
| 289 | // ugly const_cast to get around lack of rvalue references | ||
| 290 | unique_lock& other = const_cast<unique_lock&>(u); | ||
| 291 | #endif | ||
| 292 | swap(other); | ||
| 293 | } | ||
| 294 | |||
| 295 | void lock() | ||
| 296 | { | ||
| 297 | mutex()->lock(); | ||
| 298 | owns = true; | ||
| 299 | } | ||
| 300 | |||
| 301 | bool try_lock() | ||
| 302 | { | ||
| 303 | owns = mutex()->try_lock(); | ||
| 304 | return owns; | ||
| 305 | } | ||
| 306 | |||
| 307 | //template <class Rep, class Period> | ||
| 308 | //bool try_lock_for(const chrono::duration<Rep, Period>& rel_time); | ||
| 309 | //template <class Clock, class Duration> | ||
| 310 | //bool try_lock_until(const chrono::time_point<Clock, Duration>& abs_time); | ||
| 311 | |||
| 312 | void unlock() | ||
| 313 | { | ||
| 314 | mutex()->unlock(); | ||
| 315 | owns = false; | ||
| 316 | } | ||
| 317 | |||
| 318 | void swap(unique_lock& u) | ||
| 319 | { | ||
| 320 | std::swap(pm, u.pm); | ||
| 321 | std::swap(owns, u.owns); | ||
| 322 | } | ||
| 323 | |||
| 324 | mutex_type* release() | ||
| 325 | { | ||
| 326 | auto const ret = mutex(); | ||
| 327 | |||
| 328 | pm = NULL; | ||
| 329 | owns = false; | ||
| 330 | |||
| 331 | return ret; | ||
| 332 | } | ||
| 333 | |||
| 334 | bool owns_lock() const | ||
| 335 | { | ||
| 336 | return owns; | ||
| 337 | } | ||
| 338 | |||
| 339 | //explicit operator bool () const | ||
| 340 | //{ | ||
| 341 | // return owns_lock(); | ||
| 342 | //} | ||
| 343 | |||
| 344 | mutex_type* mutex() const | ||
| 345 | { | ||
| 346 | return pm; | ||
| 347 | } | ||
| 348 | |||
| 349 | private: | ||
| 350 | mutex_type* pm; | ||
| 351 | bool owns; | ||
| 352 | }; | ||
| 353 | |||
| 354 | template <class Mutex> | ||
| 355 | void swap(unique_lock<Mutex>& x, unique_lock<Mutex>& y) | ||
| 356 | { | ||
| 357 | x.swap(y); | ||
| 358 | } | ||
| 359 | |||
| 360 | } | ||
| 361 | |||
| 362 | #endif | ||