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Simplify mrb_gc_arena_restore() to reduce overhead.

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It will no longer shrink arena region. Instead `vm.c` uses
a static function `mrb_gc_arena_shrink()` to shrink.
This commit is contained in:
Yukihiro "Matz" Matsumoto
2017-07-18 23:26:36 +09:00
parent 52aafcd001
commit 329938ef15
3 changed files with 61 additions and 50 deletions
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include/mruby.h
+18 -2
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@@ -1036,11 +1036,27 @@ MRB_API mrb_value mrb_Float(mrb_state *mrb, mrb_value val);
MRB_API mrb_value mrb_inspect(mrb_state *mrb, mrb_value obj);
MRB_API mrb_bool mrb_eql(mrb_state *mrb, mrb_value obj1, mrb_value obj2);
static inline int mrb_gc_arena_save(mrb_state*);
static inline void mrb_gc_arena_restore(mrb_state*,int);
static inline int
mrb_gc_arena_save(mrb_state *mrb)
{
return mrb->gc.arena_idx;
}
static inline void
mrb_gc_arena_restore(mrb_state *mrb, int idx)
{
mrb->gc.arena_idx = idx;
}
MRB_API int mrb_gc_arena_save(mrb_state*);
MRB_API void mrb_gc_arena_restore(mrb_state*,int);
MRB_API void mrb_garbage_collect(mrb_state*);
MRB_API void mrb_full_gc(mrb_state*);
MRB_API void mrb_incremental_gc(mrb_state *);
MRB_API int mrb_gc_arena_save(mrb_state*);
MRB_API void mrb_gc_arena_restore(mrb_state*,int);
MRB_API void mrb_gc_mark(mrb_state*,struct RBasic*);
#define mrb_gc_mark_value(mrb,val) do {\
if (!mrb_immediate_p(val)) mrb_gc_mark((mrb), mrb_basic_ptr(val)); \