From 5202b22bfec6539620b310e4ea2cdb49fa251bba Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 22 Jun 2009 16:25:50 +0000
Subject: update rdoc.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23823 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 io.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

(limited to 'io.c')

diff --git a/io.c b/io.c
index eebaa09825..aa2d49a6b2 100644
--- a/io.c
+++ b/io.c
@@ -1294,11 +1294,13 @@ rb_io_set_sync(VALUE io, VALUE sync)
  *     ios.fsync   => 0 or nil
  *
  *  Immediately writes all buffered data in <em>ios</em> to disk.
- *  Returns <code>nil</code> if the underlying operating system does not
- *  support <em>fsync(2)</em>. Note that <code>fsync</code> differs from
+ *  Note that <code>fsync</code> differs from
  *  using <code>IO#sync=</code>. The latter ensures that data is flushed
  *  from Ruby's buffers, but doesn't not guarantee that the underlying
  *  operating system actually writes it to disk.
+ *
+ *  <code>NotImplementedError</code> is raised
+ *  if the underlying operating system does not support <em>fsync(2)</em>. 
  */
 
 static VALUE
@@ -1325,8 +1327,9 @@ rb_io_fsync(VALUE io)
  *     ios.fdatasync   => 0 or nil
  *
  *  Immediately writes all buffered data in <em>ios</em> to disk.
- *  Returns <code>nil</code> if the underlying operating system does not
- *  support <em>fdatasync(2)</em>.
+ *
+ *  <code>NotImplementedError</code> is raised
+ *  if the underlying operating system does not support <em>fdatasync(2)</em>. 
  */
 
 static VALUE
-- 
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