id summary reporter owner description type status milestone component version severity resolution keywords cc 10230 No Sleep in interprocess::winapi Minmin Gong Ion Gaztañaga In interprocess\detail\os_thread_functions.hpp, thread_sleep calls winapi::Sleep. However, when BOOST_USE_WINDOWS_H is on, there is no Sleep in winapi namespace, but inline void sleep(unsigned long ms). Bugs closed Boost 1.56.0 interprocess Boost 1.56.0 Problem fixed