From 2a6bfd22468343003463e0cbf91953a01b0dbba5 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Sun, 14 Mar 2021 20:18:50 +0900
Subject: [PATCH] Properly convert time_t [Bug #17645]

---
 thread_sync.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/thread_sync.c b/thread_sync.c
index 98549b1605..e9eabb45ca 100644
--- a/thread_sync.c
+++ b/thread_sync.c
@@ -565,7 +565,7 @@ rb_mutex_sleep(VALUE self, VALUE timeout)
 
     RUBY_VM_CHECK_INTS_BLOCKING(GET_EC());
     time_t end = time(0) - beg;
-    return INT2FIX(end);
+    return TIMET2NUM(end);
 }
 
 /*