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Add fixed state atexit stack feature.

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Adds following macros:
* MRB_FIXED_STATE_ATEXIT_STACK (not defined by default)
  * When defined enables fixed state atexit stack.
* MRB_FIXED_STATE_ATEXIT_STACK_SIZE (default value: 5)
  * This macro will be ignored when `MRB_FIXED_STATE_ATEXIT_STACK` isn't defined.
  * When `mrb_state_atexit` is called more than this value it will raise runtime error.
This commit is contained in:
take_cheeze
2014-06-16 16:03:35 +09:00
parent 0042e586db
commit 62f41ddd3b
3 changed files with 22 additions and 0 deletions
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include/mruby.h
+8
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@@ -52,6 +52,10 @@ typedef void* (*mrb_allocf) (struct mrb_state *mrb, void*, size_t, void *ud);
#define MRB_GC_ARENA_SIZE 100
#endif
#ifndef MRB_FIXED_STATE_ATEXIT_STACK_SIZE
#define MRB_FIXED_STATE_ATEXIT_STACK_SIZE 5
#endif
typedef struct {
mrb_sym mid;
struct RProc *proc;
@@ -173,7 +177,11 @@ typedef struct mrb_state {
void *ud; /* auxiliary data */
#ifdef MRB_FIXED_STATE_ATEXIT_STACK
mrb_atexit_func atexit_stack[MRB_FIXED_STATE_ATEXIT_STACK_SIZE];
#else
mrb_atexit_func *atexit_stack;
#endif
mrb_int atexit_stack_len;
} mrb_state;