add msg tag; recv all msgs before remove mq.

lichao

2021-04-23 628c1c21ffb19d8c96ed9ce89531595f9870ab1a

1
2
3
4
5
6
7
8
9
10
11
12
13
*.un~
build/
debug/
release/
Makefile
utest/utest
*.bak
gmon.out
*/bhshmq_center
*/help
*/bhshmqbox
*/bhshmq_status
.idea