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-rw-r--r--mrbgems/mruby-fiber/src/fiber.c6
-rw-r--r--src/vm.c10
2 files changed, 12 insertions, 4 deletions
diff --git a/mrbgems/mruby-fiber/src/fiber.c b/mrbgems/mruby-fiber/src/fiber.c
index 51495e9bd..5dec8a3c0 100644
--- a/mrbgems/mruby-fiber/src/fiber.c
+++ b/mrbgems/mruby-fiber/src/fiber.c
@@ -126,6 +126,9 @@ fiber_result(mrb_state *mrb, mrb_value *a, int len)
return mrb_ary_new_from_values(mrb, len, a);
}
+/* mark return from context modifying method */
+#define MARK_CONTEXT_MODIFY(c) (c)->ci->target_class = NULL
+
/*
* call-seq:
* fiber.resume(args, ...) -> obj
@@ -160,11 +163,13 @@ fiber_resume(mrb_state *mrb, mrb_value self)
c->prev = mrb->c;
mrb->c = c;
+ MARK_CONTEXT_MODIFY(c);
return c->ci->proc->env->stack[0];
}
if (c->ci == c->cibase) {
mrb_raise(mrb, E_RUNTIME_ERROR, "resuming dead fiber");
}
+ MARK_CONTEXT_MODIFY(c);
c->prev = mrb->c;
mrb->c = c;
return fiber_result(mrb, a, len);
@@ -193,6 +198,7 @@ fiber_yield(mrb_state *mrb, mrb_value self)
mrb_get_args(mrb, "*", &a, &len);
mrb->c = c->prev;
+ MARK_CONTEXT_MODIFY(mrb->c);
return fiber_result(mrb, a, len);
}
diff --git a/src/vm.c b/src/vm.c
index 31fdfe816..de0afb41a 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -920,10 +920,12 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
if (mrb->exc) goto L_RAISE;
/* pop stackpos */
ci = mrb->c->ci;
- if (!MRB_PROC_CFUNC_P(ci[-1].proc)) {
- irep = ci[-1].proc->body.irep;
- pool = irep->pool;
- syms = irep->syms;
+ if (!ci->target_class) { /* return from context modifying method (resume/yield) */
+ if (!MRB_PROC_CFUNC_P(ci[-1].proc)) {
+ irep = ci[-1].proc->body.irep;
+ pool = irep->pool;
+ syms = irep->syms;
+ }
}
regs = mrb->c->stack = mrb->c->stbase + ci->stackidx;
pc = ci->pc;