add mutex timeout limit; use atomic as refcount.

lichao

2021-04-22 1d6c040dcb9a01648edc66d8c0006c8c9294a705

 CMakeLists.txt

@@ -16,7 +16,9 @@

add_subdirectory(${PROJECT_SOURCE_DIR}/proto/cpp proto)
include_directories(${CMAKE_CURRENT_BINARY_DIR}/proto)
include_directories(${PROJECT_SOURCE_DIR}/box)

add_subdirectory(${PROJECT_SOURCE_DIR}/src)
add_subdirectory(${PROJECT_SOURCE_DIR}/box)
add_subdirectory(${PROJECT_SOURCE_DIR}/utest)