Re: Patch for GC.compact memory issue

[Eric Wong <e@80x24.org>]

Thanks all, pushed as 4db359156adb5aed102ec853f56c030ba40b1eca
with the commit message below.  Will release in a bit..

-----8<-----
From: Ngan Pham <nganpham@gmail.com>
Date: Mon, 24 May 2021 20:34:36 +0000
Subject: [PATCH] fix compatibility with GC.compact

Constants defined in Ruby need to be explicitly marked
when made static inside a C extension.

Link: https://yhbt.net/kgio-public/CAAvYYt5Z5f2rMuXO5DMpR1-6uRvu_gXKDvqcyoZ+oNcLiTH39g@mail.gmail.com/T/
Commit-message-by: Eric Wong <e@80x24.org>
---
 ext/kgio/accept.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ext/kgio/accept.c b/ext/kgio/accept.c
index f1de39d..4bd9cfe 100644
--- a/ext/kgio/accept.c
+++ b/ext/kgio/accept.c
@@ -498,9 +498,12 @@ void init_kgio_accept(void)
 	rb_define_const(mKgio, "SOCK_CLOEXEC", INT2NUM(SOCK_CLOEXEC));
 
 	localhost = rb_const_get(mKgio, rb_intern("LOCALHOST"));
+	rb_gc_register_mark_object(localhost);
 	cKgio_Socket = rb_const_get(mKgio, rb_intern("Socket"));
+	rb_gc_register_mark_object(cKgio_Socket);
 	cClientSocket = cKgio_Socket;
 	mSocketMethods = rb_const_get(mKgio, rb_intern("SocketMethods"));
+	rb_gc_register_mark_object(mSocketMethods);
 
 	rb_define_method(mSocketMethods, "kgio_addr!", addr_bang, 0);