--- cpukit/include/rtems/score/threadimpl.h | 35 ++++++++++++++++++++----- 1 file changed, 29 insertions(+), 6 deletions(-)
diff --git a/cpukit/include/rtems/score/threadimpl.h b/cpukit/include/rtems/score/threadimpl.h index b4b85ffa90..355311867d 100644 --- a/cpukit/include/rtems/score/threadimpl.h +++ b/cpukit/include/rtems/score/threadimpl.h @@ -211,14 +211,37 @@ bool _Thread_Initialize( ); /** - * @brief Initializes thread and executes it. + * @brief Starts the specified thread. * - * This routine initializes the executable information for a thread - * and makes it ready to execute. After this routine executes, the - * thread competes with all other threads for CPU time. + * If the thread is not in the dormant state, the routine returns immediately + * false and performs no actions. * - * @param the_thread The thread to be started. - * @param entry The thread entry information. + * Otherwise, this routine initializes the executable information for the + * thread and makes it ready to execute. After the call of this routine, the + * thread competes with all other ready threads for CPU time. + * + * Then the routine enables the local interrupts as indicated by the ISR lock + * context. + * + * Then the thread start user extensions are called with thread dispatching + * disabled and interrupts enabled after making the thread ready. Please note + * that in SMP configurations, the thread switch and begin user extensions may + * be called in parallel on another processor. + * + * Then thread dispatching is enabled and another threads may execute before + * the routine returns. + * + * @param[in, out] the_thread is the thread to start. + * + * @param entry is the thread entry information. + * + * @param[in, out] is the ISR lock context which shall be used to disable the + * local interrupts before the call of this routine. + * + * @retval true The thread was in the dormant state and was sucessefully + * started. + * + * @retval false Otherwise. */ bool _Thread_Start( Thread_Control *the_thread, -- 2.26.2 _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel
