add atomic queue, no lock, unorder.

lichao

2021-04-30 d33a69463f1a75134d01191be0b9e1bdd757dd4b

 .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