win32/win32.c, include/ruby/win32.h (rb_w32_open): overlapped file I/O support.
* win32/win32.c, include/ruby/win32.h (rb_w32_pipe): overlapped pipe I/O support. * wn32/win32.c (rb_w32_read, rb_w32_write): overlapped I/O support to enable canceling I/O. * thread_win32.c (ubf_handle): remove workaround.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18897 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
win32/win32.c, include/ruby/win32.h (rb_w32_open): overlapped file
I/O support.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18897 b2dd03c8-39d4-4d8f-98ff-823fe69b080e