Merge branch 'temp' into 'master'

posix time add method clock_monotonic

errno are thread safety, immediately dump is not necessary

update io method name

update make for echo

change name of pipe to xxx_awaken

add miss files

add pipe fd, attach to each epoll object, use to support socket object manual awaken

fix print error in __iorun

chage atomic_set parameter list

use new interface macro atomic_get

update echo code

add compilate method to echo demo

update nshost.echo demo program from dirct reference c-source to link nshost.so

all function default to hidden visibility attribute