use 2 buf to speed up sendq; socket auto start.

lichao

2021-04-14 fa95ddd1a294ebad47cabf9e149ee7d789271044

 .gitignore

@@ -6,3 +6,6 @@
utest/utest
*.bak
gmon.out
box/bhshmqbox
box/bhshmq_center
box/help