1 files changed, 56 insertions, 0 deletions
diff --git a/include/ruby/thread_native.h b/include/ruby/thread_native.h
new file mode 100644
index 0000000000..8e500c5a13
--- /dev/null
+++ b/include/ruby/thread_native.h
@@ -0,0 +1,56 @@
+/**********************************************************************
+
+  thread_native.h -
+
+  $Author: ko1 $
+  created at: Wed May 14 19:37:31 2014
+
+  Copyright (C) 2014 Yukihiro Matsumoto
+
+**********************************************************************/
+
+#ifndef RUBY_THREAD_NATIVE_H
+#define RUBY_THREAD_NATIVE_H 1
+
+/*
+ * This file contains wrapper APIs for native thread primitives
+ * which Ruby interpreter uses.
+ *
+ * Now, we only suppors pthread and Windows threads.
+ *
+ * If you want to use Ruby's Mutex and so on to synchronize Ruby Threads,
+ * please use Mutex directly.
+ */
+
+
+#if defined(_WIN32)
+#include <windows.h>
+typedef HANDLE rb_nativethread_id_t;
+
+typedef union rb_thread_lock_union {
+    HANDLE mutex;
+    CRITICAL_SECTION crit;
+} rb_nativethread_lock_t;
+
+#elif defined(HAVE_PTHREAD_H)
+#include <pthread.h>
+typedef pthread_t rb_nativethread_id_t;
+typedef pthread_mutex_t rb_nativethread_lock_t;
+
+#else
+#error "unsupported thread type"
+
+#endif
+
+RUBY_SYMBOL_EXPORT_BEGIN
+
+rb_nativethread_id_t rb_nativethread_self();
+
+void rb_nativethread_lock_initialize(rb_nativethread_lock_t *lock);
+void rb_nativethread_lock_destroy(rb_nativethread_lock_t *lock);
+void rb_nativethread_lock_lock(rb_nativethread_lock_t *lock);
+void rb_nativethread_lock_unlock(rb_nativethread_lock_t *lock);
+
+RUBY_SYMBOL_EXPORT_END
+
+#endif