class sys::event_poller
File descriptor poller.
class sys::process_semaphoreProcess semaphore. The semaphore is defined as either posix_semaphore or sysv_semaphore.
class sys::sysv_semaphoreSemaphore, implemented using System V system calls. Suitable for both processes and threads.
class sys::posix_semaphoreSemaphore, implemented using POSIX system calls. Suitable for both processes and threads.
class sys::thread_semaphoreThread semaphore. The semaphore is defined as either posix_semaphore, sysv_semaphore or std::condition_variable_any.