refactor out longjmp() to a function

1 files changed, 8 insertions, 2 deletions

diff --git a/src/vm.c b/src/vm.c
index c9e80e0ed..d4ab1af46 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -1,4 +1,4 @@
-/*
+ /*
 ** vm.c - virtual machine for mruby
 **
 ** See Copyright Notice in mruby.h
@@ -1261,7 +1261,7 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
           mrb->c->stack = mrb->c->stbase + ci[1].stackidx;
           if (ci[1].acc < 0 && prev_jmp) {
             mrb->jmp = prev_jmp;
-            longjmp(*(jmp_buf*)mrb->jmp, 1);
+            mrb_longjmp(mrb);
           }
           while (eidx > ci->eidx) {
             ecall(mrb, --eidx);
@@ -2127,3 +2127,9 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
   }
   END_DISPATCH;
 }
+
+void
+mrb_longjmp(mrb_state *mrb)
+{
+  longjmp(*(jmp_buf*)mrb->jmp, 1);
+}