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-rw-r--r--include/mruby.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/mruby.h b/include/mruby.h
index dcc01b2dd..7b9f1b428 100644
--- a/include/mruby.h
+++ b/include/mruby.h
@@ -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;