use new robust mutex, circurar; rm timeout mutex.

lichao

2021-04-28 a6f67b4249525089fb97eb9418c7014f66c2a000

 .gitignore

@@ -9,4 +9,5 @@
*/bhshmq_center
*/help
*/bhshmqbox
*/bhshmq_status
*/bhshmq_status
.idea