bind msgi to shm, change offset_ptr to abs offset.

lichao

2021-04-23 02ba913dc7bb5d711471b27f2ea23a897d0f2e28

 .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