[feature] ev for xsocket
[feature] evl_rcv caching
[feature] up
[feature] ev_sig support
[feature] ev_fdset_unsighndl
[feature] signal virtual func
[feature] ev_signal
[feature] add flagset for sockbase
[feature] add XDEBUGLV option for xsocket
[feature] add log.h
[feature] bugfix
[bugfix] event_str
[feature] log for xsocket
[feature] fix debuglv bit width
[feature] debuginfo of xsend/xrecv
[feature] register the ev_sig on correct place
[feature] format code
[feature] remove unneed code
[feature] remove default snd/rcv win
Merge pull request #1 from proxyio/ev

ev_signal for user