mirror of
https://github.com/Sarsoo/csbindgen.git
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151 lines
5.1 KiB
C
Vendored
151 lines
5.1 KiB
C
Vendored
/**
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* Copyright (c) 2016 Tino Reichardt
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* All rights reserved.
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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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* This source code is licensed under both the BSD-style license (found in the
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* LICENSE file in the root directory of this source tree) and the GPLv2 (found
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* in the COPYING file in the root directory of this source tree).
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* You may select, at your option, one of the above-listed licenses.
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*/
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#ifndef THREADING_H_938743
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#define THREADING_H_938743
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#include "debug.h"
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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
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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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#undef ERROR /* reported already defined on VS 2015 (Rich Geldreich) */
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#include <windows.h>
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#undef ERROR
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#define ERROR(name) ZSTD_ERROR(name)
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/* mutex */
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#define ZSTD_pthread_mutex_t CRITICAL_SECTION
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#define ZSTD_pthread_mutex_init(a, b) ((void)(b), InitializeCriticalSection((a)), 0)
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#define ZSTD_pthread_mutex_destroy(a) DeleteCriticalSection((a))
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#define ZSTD_pthread_mutex_lock(a) EnterCriticalSection((a))
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#define ZSTD_pthread_mutex_unlock(a) LeaveCriticalSection((a))
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/* condition variable */
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#define ZSTD_pthread_cond_t CONDITION_VARIABLE
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#define ZSTD_pthread_cond_init(a, b) ((void)(b), InitializeConditionVariable((a)), 0)
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#define ZSTD_pthread_cond_destroy(a) ((void)(a))
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#define ZSTD_pthread_cond_wait(a, b) SleepConditionVariableCS((a), (b), INFINITE)
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#define ZSTD_pthread_cond_signal(a) WakeConditionVariable((a))
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#define ZSTD_pthread_cond_broadcast(a) WakeAllConditionVariable((a))
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/* ZSTD_pthread_create() and ZSTD_pthread_join() */
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typedef HANDLE ZSTD_pthread_t;
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int ZSTD_pthread_create(ZSTD_pthread_t* thread, const void* unused,
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void* (*start_routine) (void*), void* arg);
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int ZSTD_pthread_join(ZSTD_pthread_t thread);
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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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#if DEBUGLEVEL < 1
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#define ZSTD_pthread_mutex_t pthread_mutex_t
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#define ZSTD_pthread_mutex_init(a, b) pthread_mutex_init((a), (b))
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#define ZSTD_pthread_mutex_destroy(a) pthread_mutex_destroy((a))
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#define ZSTD_pthread_mutex_lock(a) pthread_mutex_lock((a))
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#define ZSTD_pthread_mutex_unlock(a) pthread_mutex_unlock((a))
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#define ZSTD_pthread_cond_t pthread_cond_t
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#define ZSTD_pthread_cond_init(a, b) pthread_cond_init((a), (b))
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#define ZSTD_pthread_cond_destroy(a) pthread_cond_destroy((a))
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#define ZSTD_pthread_cond_wait(a, b) pthread_cond_wait((a), (b))
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#define ZSTD_pthread_cond_signal(a) pthread_cond_signal((a))
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#define ZSTD_pthread_cond_broadcast(a) pthread_cond_broadcast((a))
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#define ZSTD_pthread_t pthread_t
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#define ZSTD_pthread_create(a, b, c, d) pthread_create((a), (b), (c), (d))
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#define ZSTD_pthread_join(a) pthread_join((a),NULL)
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#else /* DEBUGLEVEL >= 1 */
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/* Debug implementation of threading.
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* In this implementation we use pointers for mutexes and condition variables.
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* This way, if we forget to init/destroy them the program will crash or ASAN
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* will report leaks.
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*/
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#define ZSTD_pthread_mutex_t pthread_mutex_t*
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int ZSTD_pthread_mutex_init(ZSTD_pthread_mutex_t* mutex, pthread_mutexattr_t const* attr);
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int ZSTD_pthread_mutex_destroy(ZSTD_pthread_mutex_t* mutex);
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#define ZSTD_pthread_mutex_lock(a) pthread_mutex_lock(*(a))
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#define ZSTD_pthread_mutex_unlock(a) pthread_mutex_unlock(*(a))
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#define ZSTD_pthread_cond_t pthread_cond_t*
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int ZSTD_pthread_cond_init(ZSTD_pthread_cond_t* cond, pthread_condattr_t const* attr);
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int ZSTD_pthread_cond_destroy(ZSTD_pthread_cond_t* cond);
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#define ZSTD_pthread_cond_wait(a, b) pthread_cond_wait(*(a), *(b))
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#define ZSTD_pthread_cond_signal(a) pthread_cond_signal(*(a))
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#define ZSTD_pthread_cond_broadcast(a) pthread_cond_broadcast(*(a))
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#define ZSTD_pthread_t pthread_t
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#define ZSTD_pthread_create(a, b, c, d) pthread_create((a), (b), (c), (d))
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#define ZSTD_pthread_join(a) pthread_join((a),NULL)
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#endif
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#else /* ZSTD_MULTITHREAD not defined */
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/* No multithreading support */
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typedef int ZSTD_pthread_mutex_t;
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#define ZSTD_pthread_mutex_init(a, b) ((void)(a), (void)(b), 0)
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#define ZSTD_pthread_mutex_destroy(a) ((void)(a))
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#define ZSTD_pthread_mutex_lock(a) ((void)(a))
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#define ZSTD_pthread_mutex_unlock(a) ((void)(a))
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typedef int ZSTD_pthread_cond_t;
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#define ZSTD_pthread_cond_init(a, b) ((void)(a), (void)(b), 0)
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#define ZSTD_pthread_cond_destroy(a) ((void)(a))
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#define ZSTD_pthread_cond_wait(a, b) ((void)(a), (void)(b))
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#define ZSTD_pthread_cond_signal(a) ((void)(a))
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#define ZSTD_pthread_cond_broadcast(a) ((void)(a))
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/* do not use ZSTD_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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