diff options
Diffstat (limited to '')
-rw-r--r-- | cpukit/score/include/rtems/score/thread.h | 86 |
1 files changed, 29 insertions, 57 deletions
diff --git a/cpukit/score/include/rtems/score/thread.h b/cpukit/score/include/rtems/score/thread.h index 1a73fdaa8a..bce6f5643e 100644 --- a/cpukit/score/include/rtems/score/thread.h +++ b/cpukit/score/include/rtems/score/thread.h @@ -249,56 +249,6 @@ typedef struct { } Thread_Start_information; /** - * @brief Priority change handler. - * - * @param[in] the_thread The thread. - * @param[in] new_priority The new priority value. - * @param[in] context The handler context. - * - * @see _Thread_Priority_set_change_handler(). - */ -typedef void (*Thread_Priority_change_handler)( - Thread_Control *the_thread, - Priority_Control new_priority, - void *context -); - -/** - * @brief Thread priority control. - */ -typedef struct { - /** - * @brief Generation of the current priority value. - * - * It is used in _Thread_Change_priority() to serialize the update of - * priority related data structures. - */ - uint32_t generation; - - /** - * @brief Priority change handler. - * - * Called by _Thread_Change_priority() to notify a thread about a priority - * change. In case this thread waits currently for a resource the handler - * may adjust its data structures according to the new priority value. This - * handler must not be NULL, instead the default handler - * _Thread_Priority_change_do_nothing() should be used in case nothing needs - * to be done during a priority change. - * - * @see _Thread_Priority_set_change_handler() and - * _Thread_Priority_restore_default_change_handler(). - */ - Thread_Priority_change_handler change_handler; - - /** - * @brief Context for priority change handler. - * - * @see _Thread_Priority_set_change_handler(). - */ - void *change_handler_context; -} Thread_Priority_control; - -/** * @brief Union type to hold a pointer to an immutable or a mutable object. * * The main purpose is to enable passing of pointers to read-only send buffers @@ -359,7 +309,14 @@ typedef struct { */ uint32_t timeout_code; - /** This field points to the thread queue on which this thread is blocked. */ + /** + * @brief The current thread queue. + * + * In case this field is @c NULL, then the thread is not blocked on a thread + * queue. This field is protected by the thread lock. + * + * @see _Thread_Lock_set() and _Thread_Wait_set_queue(). + */ Thread_queue_Control *queue; /** @@ -371,6 +328,15 @@ typedef struct { #else Thread_Wait_flags flags; #endif + + /** + * @brief The current thread queue operations. + * + * This field is protected by the thread lock. + * + * @see _Thread_Lock_set() and _Thread_Wait_set_operations(). + */ + const Thread_queue_Operations *operations; } Thread_Wait_information; /** @@ -393,9 +359,12 @@ typedef struct { Priority_Control real_priority; /** - * @brief Thread priority control. + * @brief Generation of the current priority value. + * + * It is used in _Thread_Change_priority() to serialize the update of + * priority related data structures. */ - Thread_Priority_control Priority; + uint32_t priority_generation; /** This field is the number of mutexes currently held by this proxy. */ uint32_t resource_count; @@ -638,8 +607,8 @@ typedef struct { * * The thread lock protects the following thread variables * - Thread_Control::current_priority, - * - Thread_Control::Priority::change_handler, and - * - Thread_Control::Priority::change_handler_context. + * - Thread_Control::Wait::queue, and + * - Thread_Control::Wait::operations. * * @see _Thread_Lock_acquire(), _Thread_Lock_release(), _Thread_Lock_set() and * _Thread_Lock_restore_default(). @@ -679,9 +648,12 @@ struct Thread_Control_struct { Priority_Control real_priority; /** - * @brief Thread priority control. + * @brief Generation of the current priority value. + * + * It is used in _Thread_Change_priority() to serialize the update of + * priority related data structures. */ - Thread_Priority_control Priority; + uint32_t priority_generation; /** This field is the number of mutexes currently held by this thread. */ uint32_t resource_count; |