Added EINPROGRESS Wait classes

Yorick Peterse · Yorick Peterse · commit 6216f2d8199e · 2015-12-25T19:55:21.000+01:00
These will be used by rubysl-socket for connecting a socket in a
non-blocking manner.
diff --git a/kernel/common/io.rb b/kernel/common/io.rb
@@ -22,6 +22,14 @@ class EWOULDBLOCKWaitWritable < Errno::EAGAIN
     include WaitWritable
   end
 
+  class EINPROGRESSWaitReadable < Errno::EINPROGRESS
+    include WaitReadable
+  end
+
+  class EINPROGRESSWaitWritable < Errno::EINPROGRESS
+    include WaitWritable
+  end
+
   # Import platform constants
 
   SEEK_SET = Rubinius::Config['rbx.platform.io.SEEK_SET']
