/* * This file is only used for doxygen document generation. */ /** * @addtogroup group_IPC * @{ */ /** * @defgroup group_Signal Signal * @brief signal is used for thread kill etc. * * A signal (also known as a soft interrupt signal), from a software perspective, * is a simulation of interrupt mechanism. When it comes to its principle, * thread receiving a signal is similar to processor receiving an interrupt request. */ /**@}*/