diff options
Diffstat (limited to 'cpukit/include/rtems/score/threadimpl.h')
| -rw-r--r-- | cpukit/include/rtems/score/threadimpl.h | 42 |
1 files changed, 34 insertions, 8 deletions
diff --git a/cpukit/include/rtems/score/threadimpl.h b/cpukit/include/rtems/score/threadimpl.h index b4b85ffa90..61454eb7fe 100644 --- a/cpukit/include/rtems/score/threadimpl.h +++ b/cpukit/include/rtems/score/threadimpl.h @@ -144,9 +144,11 @@ typedef struct { size_t stack_size; /** - * @brief The address of the allocated stack area or NULL. + * @brief This member contains the handler to free the stack. + * + * It shall not be NULL. Use _Stack_Free_nothing() if nothing is to free. */ - void *allocated_stack; + void ( *stack_free )( void * ); /** * @brief The new thread's priority. @@ -211,14 +213,38 @@ bool _Thread_Initialize( ); /** - * @brief Initializes thread and executes it. + * @brief Starts the specified thread. + * + * If the thread is not in the dormant state, the routine returns with a value + * of false and performs no actions except enabling interrupts as indicated by + * the ISR lock context. + * + * 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 other 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. * - * 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. + * @retval true The thread was in the dormant state and was sucessefully + * started. * - * @param the_thread The thread to be started. - * @param entry The thread entry information. + * @retval false Otherwise. */ bool _Thread_Start( Thread_Control *the_thread, |