From 1433d2dd96df6b4a45da490dbe99e5fea810d905 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 11 Jul 2008 11:51:39 +0000
Subject: * io.c (rb_io_wait_readable, rb_io_wait_writable): check if the file 
  descriptor is closed.

* thread.c (rb_thread_wait_fd_rw): ditto.


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@18027 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 thread.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'thread.c')

diff --git a/thread.c b/thread.c
index 2f768b2ca..01689ffeb 100644
--- a/thread.c
+++ b/thread.c
@@ -2018,6 +2018,9 @@ rb_thread_wait_fd_rw(int fd, int read)
     int result = 0;
     thread_debug("rb_thread_wait_fd_rw(%d, %s)\n", fd, read ? "read" : "write");
 
+    if (fd < 0) {
+	rb_raise(rb_eIOError, "closed stream");
+    }
     while (result <= 0) {
 	rb_fdset_t set;
 	rb_fd_init(&set);
-- 
cgit