mutex unlock check timeout to avoid double unlock.

lichao

2021-04-23 a04d4d01eb8e38b8ec5367114b5581bd64eee17e

 .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