From 54a61d3e2a130b4db054112b33e4fb4cb8818889 Mon Sep 17 00:00:00 2001 From: akr Date: Fri, 19 Feb 2010 12:52:03 +0000 Subject: [PATCH] rdoc update. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26715 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- io.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/io.c b/io.c index 8375838836..8026ea3784 100644 --- a/io.c +++ b/io.c @@ -1941,14 +1941,21 @@ io_readpartial(int argc, VALUE *argv, VALUE io) * until io is readable for avoiding busy loop. * This can be done as follows. * + * # emulates blocking read (readpartial). * begin * result = io.read_nonblock(maxlen) - * rescue IO::WaitReadable, Errno::EINTR + * rescue IO::WaitReadable * IO.select([io]) * retry * end * - * Note that this is identical to readpartial + * Although IO#read_nonblock doesn't raise IO::WaitWritable. + * OpenSSL::Buffering#read_nonblock can raise IO::WaitWritable. + * If IO and SSL should be used polymorphically, + * IO::WaitWritable should be rescued too. + * See the document of OpenSSL::Buffering#read_nonblock for sample code. + * + * Note that this method is identical to readpartial * except the non-blocking flag is set. */