123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107 |
- /**
- * Copyright (c) 2016 Tino Reichardt
- * All rights reserved.
- *
- * This source code is licensed under both the BSD-style license (found in the
- * LICENSE file in the root directory of this source tree) and the GPLv2 (found
- * in the COPYING file in the root directory of this source tree).
- *
- * You can contact the author at:
- * - zstdmt source repository: https://github.com/mcmilk/zstdmt
- */
-
- #ifndef THREADING_H_938743
- #define THREADING_H_938743
-
- #if defined (__cplusplus)
- extern "C" {
- #endif
-
- #if defined(ZSTD_MULTITHREAD) && defined(_WIN32)
-
- /**
- * Windows minimalist Pthread Wrapper, based on :
- * http://www.cse.wustl.edu/~schmidt/win32-cv-1.html
- */
- #ifdef WINVER
- # undef WINVER
- #endif
- #define WINVER 0x0600
-
- #ifdef _WIN32_WINNT
- # undef _WIN32_WINNT
- #endif
- #define _WIN32_WINNT 0x0600
-
- #ifndef WIN32_LEAN_AND_MEAN
- # define WIN32_LEAN_AND_MEAN
- #endif
-
- #undef ERROR /* reported already defined on VS 2015 (Rich Geldreich) */
- #include <windows.h>
- #undef ERROR
- #define ERROR(name) ZSTD_ERROR(name)
-
-
- /* mutex */
- #define pthread_mutex_t CRITICAL_SECTION
- #define pthread_mutex_init(a,b) (InitializeCriticalSection((a)), 0)
- #define pthread_mutex_destroy(a) DeleteCriticalSection((a))
- #define pthread_mutex_lock(a) EnterCriticalSection((a))
- #define pthread_mutex_unlock(a) LeaveCriticalSection((a))
-
- /* condition variable */
- #define pthread_cond_t CONDITION_VARIABLE
- #define pthread_cond_init(a, b) (InitializeConditionVariable((a)), 0)
- #define pthread_cond_destroy(a) /* No delete */
- #define pthread_cond_wait(a, b) SleepConditionVariableCS((a), (b), INFINITE)
- #define pthread_cond_signal(a) WakeConditionVariable((a))
- #define pthread_cond_broadcast(a) WakeAllConditionVariable((a))
-
- /* pthread_create() and pthread_join() */
- typedef struct {
- HANDLE handle;
- void* (*start_routine)(void*);
- void* arg;
- } pthread_t;
-
- int pthread_create(pthread_t* thread, const void* unused,
- void* (*start_routine) (void*), void* arg);
-
- #define pthread_join(a, b) _pthread_join(&(a), (b))
- int _pthread_join(pthread_t* thread, void** value_ptr);
-
- /**
- * add here more wrappers as required
- */
-
-
- #elif defined(ZSTD_MULTITHREAD) /* posix assumed ; need a better detection method */
- /* === POSIX Systems === */
- # include <pthread.h>
-
- #else /* ZSTD_MULTITHREAD not defined */
- /* No multithreading support */
-
- #define pthread_mutex_t int /* #define rather than typedef, because sometimes pthread support is implicit, resulting in duplicated symbols */
- #define pthread_mutex_init(a,b) ((void)a, 0)
- #define pthread_mutex_destroy(a)
- #define pthread_mutex_lock(a)
- #define pthread_mutex_unlock(a)
-
- #define pthread_cond_t int
- #define pthread_cond_init(a,b) ((void)a, 0)
- #define pthread_cond_destroy(a)
- #define pthread_cond_wait(a,b)
- #define pthread_cond_signal(a)
- #define pthread_cond_broadcast(a)
-
- /* do not use pthread_t */
-
- #endif /* ZSTD_MULTITHREAD */
-
- #if defined (__cplusplus)
- }
- #endif
-
- #endif /* THREADING_H_938743 */
|