RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ 85276f453578e0ea74f39cfcc609f867f919f059

réplica de https://github-proxy.rt-thread.io/RT-Thread/rt-thread.git

guo fb7b9f4fb4 Merge pull request #5318 from enkiller/1201		%!s(int64=4) %!d(string=hai) anos
..
SConscript	5ac5d92cbb [serial] 优化发送非阻塞时，serial_close未执行rt_completion_done的问题。	%!s(int64=4) %!d(string=hai) anos
serial.c	67e14adc4f [posix] 按照高级unix环境编程整理IO类别	%!s(int64=4) %!d(string=hai) anos
serial_v2.c	fb7b9f4fb4 Merge pull request #5318 from enkiller/1201	%!s(int64=4) %!d(string=hai) anos