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-rw-r--r--vm_eval.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/vm_eval.c b/vm_eval.c
index e6122606ae..41a05634e4 100644
--- a/vm_eval.c
+++ b/vm_eval.c
@@ -1834,6 +1834,16 @@ VALUE
rb_catch_obj(VALUE t, VALUE (*func)(), VALUE data)
{
int state;
+ VALUE val = rb_catch_protect(t, func, data, &state);
+ if (state)
+ JUMP_TAG(state);
+ return val;
+}
+
+VALUE
+rb_catch_protect(VALUE t, rb_block_call_func *func, VALUE data, int *stateptr)
+{
+ int state;
volatile VALUE val = Qnil; /* OK */
rb_thread_t *th = GET_THREAD();
rb_control_frame_t *saved_cfp = th->cfp;
@@ -1845,7 +1855,7 @@ rb_catch_obj(VALUE t, VALUE (*func)(), VALUE data)
if ((state = TH_EXEC_TAG()) == 0) {
/* call with argc=1, argv = [tag], block = Qnil to insure compatibility */
- val = (*func)(tag, data, 1, &tag, Qnil);
+ val = (*func)(tag, data, 1, (const VALUE *)&tag, Qnil);
}
else if (state == TAG_THROW && RNODE(th->errinfo)->u1.value == tag) {
th->cfp = saved_cfp;
@@ -1854,8 +1864,8 @@ rb_catch_obj(VALUE t, VALUE (*func)(), VALUE data)
state = 0;
}
TH_POP_TAG();
- if (state)
- JUMP_TAG(state);
+ if (stateptr)
+ *stateptr = state;
return val;
}