From 5c0b9b703c9d1a08d7219b057b809bda4bc89f8a Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Mon, 20 May 2013 17:54:07 +0900
Subject: primary mruby fiber implementation

---
 include/mruby.h | 29 +++++++++++++++++------------
 1 file changed, 17 insertions(+), 12 deletions(-)

(limited to 'include/mruby.h')

diff --git a/include/mruby.h b/include/mruby.h
index 9fe70e5b8..73c38cf1d 100644
--- a/include/mruby.h
+++ b/include/mruby.h
@@ -61,16 +61,8 @@ typedef struct {
   struct REnv *env;
 } mrb_callinfo;
 
-enum gc_state {
-  GC_STATE_NONE = 0,
-  GC_STATE_MARK,
-  GC_STATE_SWEEP
-};
-
-typedef struct mrb_state {
-  void *jmp;
-
-  mrb_allocf allocf;
+struct mrb_context {
+  struct mrb_context *prev;
 
   mrb_value *stack;
   mrb_value *stbase, *stend;
@@ -82,10 +74,24 @@ typedef struct mrb_state {
   int rsize;
   struct RProc **ensure;
   int esize;
+};
+
+enum gc_state {
+  GC_STATE_NONE = 0,
+  GC_STATE_MARK,
+  GC_STATE_SWEEP
+};
+
+typedef struct mrb_state {
+  void *jmp;
+
+  mrb_allocf allocf;
+
+  struct mrb_context *c;
+  struct mrb_context *root_c;
 
   struct RObject *exc;
   struct iv_tbl *globals;
-
   struct mrb_irep **irep;
   size_t irep_len, irep_capa;
 
@@ -140,7 +146,6 @@ typedef struct mrb_state {
   struct RClass *eStandardError_class;
 
   void *ud; /* auxiliary data */
-
 } mrb_state;
 
 typedef mrb_value (*mrb_func_t)(mrb_state *mrb, mrb_value);
-- 
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