f177c15347
zstd has much better compression speed and ratio, and better decompression speed than currently available methods. Also set zstd as the default compression method for Compression as well as FileAccessCompressed functions.
104 lines
2.8 KiB
C++
104 lines
2.8 KiB
C++
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/**
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* Copyright (c) 2016 Tino Reichardt
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* You can contact the author at:
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* - zstdmt source repository: https://github.com/mcmilk/zstdmt
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*/
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#ifndef THREADING_H_938743
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#define THREADING_H_938743
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#if defined (__cplusplus)
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extern "C" {
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#endif
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#if defined(ZSTD_MULTITHREAD) && defined(_WIN32)
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/**
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* Windows minimalist Pthread Wrapper, based on :
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* http://www.cse.wustl.edu/~schmidt/win32-cv-1.html
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*/
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#ifdef WINVER
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# undef WINVER
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#endif
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#define WINVER 0x0600
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#ifdef _WIN32_WINNT
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# undef _WIN32_WINNT
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#endif
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#define _WIN32_WINNT 0x0600
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#ifndef WIN32_LEAN_AND_MEAN
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# define WIN32_LEAN_AND_MEAN
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#endif
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#include <windows.h>
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/* mutex */
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#define pthread_mutex_t CRITICAL_SECTION
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#define pthread_mutex_init(a,b) InitializeCriticalSection((a))
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#define pthread_mutex_destroy(a) DeleteCriticalSection((a))
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#define pthread_mutex_lock(a) EnterCriticalSection((a))
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#define pthread_mutex_unlock(a) LeaveCriticalSection((a))
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/* condition variable */
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#define pthread_cond_t CONDITION_VARIABLE
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#define pthread_cond_init(a, b) InitializeConditionVariable((a))
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#define pthread_cond_destroy(a) /* No delete */
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#define pthread_cond_wait(a, b) SleepConditionVariableCS((a), (b), INFINITE)
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#define pthread_cond_signal(a) WakeConditionVariable((a))
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#define pthread_cond_broadcast(a) WakeAllConditionVariable((a))
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/* pthread_create() and pthread_join() */
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typedef struct {
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HANDLE handle;
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void* (*start_routine)(void*);
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void* arg;
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} pthread_t;
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int pthread_create(pthread_t* thread, const void* unused,
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void* (*start_routine) (void*), void* arg);
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#define pthread_join(a, b) _pthread_join(&(a), (b))
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int _pthread_join(pthread_t* thread, void** value_ptr);
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/**
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* add here more wrappers as required
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*/
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#elif defined(ZSTD_MULTITHREAD) /* posix assumed ; need a better detection method */
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/* === POSIX Systems === */
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# include <pthread.h>
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#else /* ZSTD_MULTITHREAD not defined */
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/* No multithreading support */
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#define pthread_mutex_t int /* #define rather than typedef, as sometimes pthread support is implicit, resulting in duplicated symbols */
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#define pthread_mutex_init(a,b)
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#define pthread_mutex_destroy(a)
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#define pthread_mutex_lock(a)
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#define pthread_mutex_unlock(a)
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#define pthread_cond_t int
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#define pthread_cond_init(a,b)
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#define pthread_cond_destroy(a)
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#define pthread_cond_wait(a,b)
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#define pthread_cond_signal(a)
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#define pthread_cond_broadcast(a)
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/* do not use pthread_t */
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#endif /* ZSTD_MULTITHREAD */
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#if defined (__cplusplus)
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}
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#endif
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#endif /* THREADING_H_938743 */
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