call POSIX file API directly
[wip] implement our own select loop
linux compatibility
fix fatal error in buffered write
do not try to write data of a socket that is waiting for its write complete callback to be called
update the internal time after calling select(2)
add license
prepare to support other polling methods
tidy the debug log
change the extension of the backend to .h so that we could set breakpoints on Xcode
record and use the max. used fd
do not link libuv
terminate the returned string for the ease of use (h2o_decode_base64url)
update the test code to not use libuv functions
add kqueue impl.
add epoll impl.
Merge branch 'kazuho/experiments/no-libuv'