fix socket busy loop; del locked readall; refactor.

lichao

2021-04-26 1b167ec5ad101ac44451381e26cc73ab5d67d2a1

 .gitignore

@@ -6,7 +6,8 @@
utest/utest
*.bak
gmon.out
box/bhshmqbox
box/bhshmq_center
box/help
utest/bhshmq_center
*/bhshmq_center
*/help
*/bhshmqbox
*/bhshmq_status
.idea