add mailbox test
Merge branch 'master' of https://github.com/popacai/TQOS
mailbox test
merge with liqi
update mailboxsimpletest
merged update
add test_mailbox.cc
update mailboxtest
merged testcase
update threadtest
fix pointer parameter transmission bug
merge threadtest.cc of simple mailbox test
update test_mailbox for merge
after merged
remove some stupid errors
merge with Xue Meng's code
add buffer lock for sender and receiver to synchronize write buffer operation
add b_count for buffer write and read
update mailbox.cc
priority scheduling with simple tests, use 400 test case