/**********************************************************************

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thread_native.h -

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$Author: ko1 $

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created at: Wed May 14 19:37:31 2014

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Copyright (C) 2014 Yukihiro Matsumoto

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**********************************************************************/

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#ifndef RUBY_THREAD_NATIVE_H

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#define RUBY_THREAD_NATIVE_H 1

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/*

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* This file contains wrapper APIs for native thread primitives

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* which Ruby interpreter uses.

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*

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* Now, we only suppors pthread and Windows threads.

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*

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* If you want to use Ruby's Mutex and so on to synchronize Ruby Threads,

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* please use Mutex directly.

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*/

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#if defined(_WIN32)

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#include <windows.h>

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typedef HANDLE rb_nativethread_id_t;

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typedef union rb_thread_lock_union {

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HANDLE mutex;

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CRITICAL_SECTION crit;

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} rb_nativethread_lock_t;

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#elif defined(HAVE_PTHREAD_H)

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#include <pthread.h>

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typedef pthread_t rb_nativethread_id_t;

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typedef pthread_mutex_t rb_nativethread_lock_t;

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#else

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#error "unsupported thread type"

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#endif

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RUBY_SYMBOL_EXPORT_BEGIN

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rb_nativethread_id_t rb_nativethread_self();

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void rb_nativethread_lock_initialize(rb_nativethread_lock_t *lock);

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void rb_nativethread_lock_destroy(rb_nativethread_lock_t *lock);

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void rb_nativethread_lock_lock(rb_nativethread_lock_t *lock);

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void rb_nativethread_lock_unlock(rb_nativethread_lock_t *lock);

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RUBY_SYMBOL_EXPORT_END

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#endif

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