2 files changed, 6 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 2665dc5ddc..c9a0fc80ce 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed May  4 07:33:00 2011  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+
+	* thread.c (rb_fd_copy): fix wrong argument.This issue was pointed
+	  out by Eric Wong. [ruby-core:35982]
+
 Tue May  3 20:29:33 2011  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
 
 	* test/fileutils/test_fileutils.rb (TestFileUtils#test_chmod_symbol_mode):
diff --git a/thread.c b/thread.c
index c272256d4b..486a5a2b6c 100644
--- a/thread.c
+++ b/thread.c
@@ -2389,7 +2389,7 @@ rb_fd_copy(rb_fdset_t *dst, const rb_fdset_t *src)
 	size = sizeof(fd_set);
     dst->maxfd = src->maxfd;
     dst->fdset = xrealloc(dst->fdset, size);
-    memcpy(dst->fdset, src, size);
+    memcpy(dst->fdset, src->fdset, size);
 }
 
 int