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author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-09-21 07:52:02 +0000 |
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committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-09-21 07:52:02 +0000 |
commit | 42cc596402361eced511abe9d51f78fa54818895 (patch) | |
tree | a32710d9f19a06880a4f82c84586b9e8ef151013 /io.c | |
parent | 50ffa683ca7b6de15f25392b8838d49d2e3cc750 (diff) | |
download | ruby-42cc596402361eced511abe9d51f78fa54818895.tar.gz |
[DOC]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43007 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'io.c')
-rw-r--r-- | io.c | 6 |
1 files changed, 6 insertions, 0 deletions
@@ -8486,6 +8486,12 @@ rb_io_advise(int argc, VALUE *argv, VALUE io) * if optional <i>timeout</i> value is given and no <code>IO</code> object * is ready in <i>timeout</i> seconds. * + * <code>IO.select</code> peeks the buffer of <code>IO</code> objects for testing readability. + * If the <code>IO</code> buffer is not empty, + * <code>IO.select</code> immediately notify readability. + * This "peek" is only happen for <code>IO</code> objects. + * It is not happen for IO-like objects such as OpenSSL::SSL::SSLSocket. + * * The best way to use <code>IO.select</code> is invoking it * after nonblocking methods such as <code>read_nonblock</code>. * The methods raises an exception which is extended by |