diff options
author | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-07-07 07:36:34 +0000 |
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committer | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-07-07 07:36:34 +0000 |
commit | 441546edcfbb1b346c87b69c5f578d1a0e522e06 (patch) | |
tree | 04f606a008baebc445f38944ad37e87468da29ea /ruby_1_8_6/ext/io/wait/lib/nonblock.rb | |
parent | fa93611c0f9a6db146341c792bfe3b7322ec00e2 (diff) |
add tag v1_8_6_269
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_6_269@17937 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ruby_1_8_6/ext/io/wait/lib/nonblock.rb')
-rw-r--r-- | ruby_1_8_6/ext/io/wait/lib/nonblock.rb | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/ruby_1_8_6/ext/io/wait/lib/nonblock.rb b/ruby_1_8_6/ext/io/wait/lib/nonblock.rb new file mode 100644 index 0000000000..2103fdf25b --- /dev/null +++ b/ruby_1_8_6/ext/io/wait/lib/nonblock.rb @@ -0,0 +1,23 @@ +require "fcntl" +class IO + def nonblock? + (fcntl(Fcntl::F_GETFL) & File::NONBLOCK) != 0 + end + + def nonblock=(nb) + f = fcntl(Fcntl::F_GETFL) + if nb + f |= File::NONBLOCK + else + f &= ~File::NONBLOCK + end + fcntl(Fcntl::F_SETFL, f) + end + + def nonblock(nb = true) + nb, self.nonblock = nonblock?, nb + yield + ensure + self.nonblock = nb + end +end if defined?(Fcntl::F_GETFL) |