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/*
 * This file is only used for doxygen document generation.
 */

/**
 * @addtogroup group_thread_comm
 * @{
 */

/**
 * @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.
 */

/**@}*/