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/**********************************************************************
internal.h -
$Author$
created at: Tue May 17 11:42:20 JST 2011
Copyright (C) 2011 Yukihiro Matsumoto
**********************************************************************/
#ifndef RUBY_INTERNAL_H
#define RUBY_INTERNAL_H 1
#include "ruby/config.h"
#ifdef __cplusplus
# error not for C++
#endif
#define LIKELY(x) RB_LIKELY(x)
#define UNLIKELY(x) RB_UNLIKELY(x)
#define numberof(array) ((int)(sizeof(array) / sizeof((array)[0])))
#define roomof(x, y) (((x) + (y) - 1) / (y))
#define type_roomof(x, y) roomof(sizeof(x), sizeof(y))
/* Prevent compiler from reordering access */
#define ACCESS_ONCE(type,x) (*((volatile type *)&(x)))
#include "ruby/ruby.h"
/* Folowing macros were formerlly defined in this header but moved to somewhere
* else. In order to detect them we undef here. */
/* internal/error.h */
#undef Check_Type
/* internal/class.h */
#undef RClass
#undef RCLASS_SUPER
/* internal/gc.h */
#undef NEWOBJ_OF
#undef RB_NEWOBJ_OF
#undef RB_OBJ_WRITE
/* internal/hash.h */
#undef RHASH_IFNONE
#undef RHASH_SIZE
/* internal/struct.h */
#undef RSTRUCT_LEN
#undef RSTRUCT_PTR
#undef RSTRUCT_SET
#undef RSTRUCT_GET
/* Also, we keep the following macros here. They are expected to be
* overridden in each headers. */
/* internal/array.h */
#define rb_ary_new_from_args(...) rb_nonexistent_symbol(__VA_ARGS__)
/* internal/io.h */
#define rb_io_fptr_finalize(...) rb_nonexistent_symbol(__VA_ARGS__)
/* internal/string.h */
#define rb_fstring_cstr(...) rb_nonexistent_symbol(__VA_ARGS__)
/* internal/symbol.h */
#define rb_sym_intern_ascii_cstr(...) rb_nonexistent_symbol(__VA_ARGS__)
/* internal/vm.h */
#define rb_funcallv(...) rb_nonexistent_symbol(__VA_ARGS__)
#define rb_method_basic_definition_p(...) rb_nonexistent_symbol(__VA_ARGS__)
#endif /* RUBY_INTERNAL_H */
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