diff options
| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2003-07-23 09:26:53 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2003-07-23 09:26:53 +0000 |
| commit | 201055332c59a96056f64fdd10b2bedcd57f909a (patch) | |
| tree | c7535f1c700e1b070efa8bd26e7a2b1146bd6722 /ext/io/wait/lib | |
| parent | 16b0f45261e184df34aad27337843501aab38552 (diff) | |
| download | ruby-201055332c59a96056f64fdd10b2bedcd57f909a.tar.gz ruby-201055332c59a96056f64fdd10b2bedcd57f909a.tar.xz ruby-201055332c59a96056f64fdd10b2bedcd57f909a.zip | |
* ext/io/wait: imported.
git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@4124 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/io/wait/lib')
| -rw-r--r-- | ext/io/wait/lib/nonblock.rb | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/ext/io/wait/lib/nonblock.rb b/ext/io/wait/lib/nonblock.rb new file mode 100644 index 000000000..46511fb40 --- /dev/null +++ b/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 |