add atomic queue, no lock, unorder.

lichao

2021-04-30 d33a69463f1a75134d01191be0b9e1bdd757dd4b

 .gitignore

@@ -1,3 +1,13 @@
*.un~
build/
debug/
release/
Makefile
utest/utest
*.bak
gmon.out
*/bhshmq_center
*/help
*/bhshmqbox
*/bhshmq_status
.idea