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Small refactoring in fiber.c.

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2019-09-02 08:41:13 +09:00
parent 5cd52d2d69
commit aea5880c10
1 changed files with 13 additions and 6 deletions
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mrbgems/mruby-fiber/src/fiber.c
+13 -6
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@@ -191,14 +191,21 @@ fiber_switch(mrb_state *mrb, mrb_value self, mrb_int len, const mrb_value *a, mr
fiber_check_cfunc(mrb, c);
status = c->status;
if (resume && status == MRB_FIBER_TRANSFERRED) {
mrb_raise(mrb, E_FIBER_ERROR, "resuming transferred fiber");
}
if (status == MRB_FIBER_RUNNING || status == MRB_FIBER_RESUMED) {
switch (status) {
case MRB_FIBER_TRANSFERRED:
if (resume) {
mrb_raise(mrb, E_FIBER_ERROR, "resuming transferred fiber");
}
break;
case MRB_FIBER_RUNNING:
case MRB_FIBER_RESUMED:
mrb_raise(mrb, E_FIBER_ERROR, "double resume");
}
if (status == MRB_FIBER_TERMINATED) {
break;
case MRB_FIBER_TERMINATED:
mrb_raise(mrb, E_FIBER_ERROR, "resuming dead fiber");
break;
default:
break;
}
old_c->status = resume ? MRB_FIBER_RESUMED : MRB_FIBER_TRANSFERRED;
c->prev = resume ? mrb->c : (c->prev ? c->prev : mrb->root_c);