Add threading.h condition variables
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d132433534
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lib/common
@ -15,7 +15,7 @@
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* This file will hold wrapper for systems, which do not support Pthreads
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*/
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#ifdef _WIN32
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#if defined(ZSTD_PTHREAD) && defined(_WIN32)
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/**
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* Windows minimalist Pthread Wrapper, based on :
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@ -24,24 +24,42 @@ extern "C" {
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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 EnterCriticalSection
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#define pthread_mutex_unlock LeaveCriticalSection
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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*varg;
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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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@ -68,6 +86,13 @@ typedef int pthread_mutex_t;
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#define pthread_mutex_lock(a)
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#define pthread_mutex_unlock(a)
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typedef int pthread_cond_t;
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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_PTHREAD */
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