diff options
Diffstat (limited to '')
| -rw-r--r-- | cpukit/rtems/include/rtems/rtems/tasks.h | 271 |
1 files changed, 137 insertions, 134 deletions
diff --git a/cpukit/rtems/include/rtems/rtems/tasks.h b/cpukit/rtems/include/rtems/rtems/tasks.h index c4ccafb824..3be3aebe7c 100644 --- a/cpukit/rtems/include/rtems/rtems/tasks.h +++ b/cpukit/rtems/include/rtems/rtems/tasks.h @@ -1,36 +1,39 @@ /** * @file rtems/rtems/tasks.h * - * @brief Constants and Structures Associated with RTEMS Tasks + * @defgroup ClassicTasks Tasks * - * This include file contains all constants and structures associated - * with RTEMS tasks. This manager provides a comprehensive set of directives - * to create, delete, and administer tasks. + * @ingroup ClassicRTEMS + * @brief RTEMS Tasks * - * Directives provided are: + * This include file contains all constants and structures associated + * with RTEMS tasks. This manager provides a comprehensive set of directives + * to create, delete, and administer tasks. * - * - create a task - * - get an ID of a task - * - start a task - * - restart a task - * - delete a task - * - suspend a task - * - resume a task - * - set a task's priority - * - change the current task's mode - * - get a task notepad entry - * - set a task notepad entry - * - wake up after interval - * - wake up when specified + * Directives provided are: + * + * - create a task + * - get an ID of a task + * - start a task + * - restart a task + * - delete a task + * - suspend a task + * - resume a task + * - set a task's priority + * - change the current task's mode + * - get a task notepad entry + * - set a task notepad entry + * - wake up after interval + * - wake up when specified */ /* - * COPYRIGHT (c) 1989-2011. - * On-Line Applications Research Corporation (OAR). + * COPYRIGHT (c) 1989-2011. + * On-Line Applications Research Corporation (OAR). * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.com/license/LICENSE. + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. */ #ifndef _RTEMS_RTEMS_TASKS_H @@ -251,24 +254,24 @@ extern void (*_RTEMS_tasks_Initialize_user_tasks_p)(void); void _RTEMS_tasks_Manager_initialization(void); /** - * @brief RTEMS Task Create + * @brief RTEMS Task Create * - * This routine implements the rtems_task_create directive. The task - * will have the name name. The attribute_set can be used to indicate - * that the task will be globally accessible or utilize floating point. - * The task's stack will be stack_size bytes. The task will begin - * execution with initial_priority and initial_modes. It returns the - * id of the created task in ID. + * This routine implements the rtems_task_create directive. The task + * will have the name name. The attribute_set can be used to indicate + * that the task will be globally accessible or utilize floating point. + * The task's stack will be stack_size bytes. The task will begin + * execution with initial_priority and initial_modes. It returns the + * id of the created task in ID. * - * @param[in] name is the user defined thread name - * @param[in] initial_priority is the thread priority - * @param[in] stack_size is the stack size in bytes - * @param[in] initial_modes is the initial thread mode - * @param[in] attribute_set is the thread attributes - * @param[in] id is the pointer to thread id + * @param[in] name is the user defined thread name + * @param[in] initial_priority is the thread priority + * @param[in] stack_size is the stack size in bytes + * @param[in] initial_modes is the initial thread mode + * @param[in] attribute_set is the thread attributes + * @param[in] id is the pointer to thread id * - * @return RTEMS_SUCCESSFUL if successful or error code if unsuccessful - * and *id thread id filled in + * @retval RTEMS_SUCCESSFUL if successful or error code if unsuccessful + * and *id thread id filled in */ rtems_status_code rtems_task_create( rtems_name name, @@ -280,24 +283,24 @@ rtems_status_code rtems_task_create( ); /** - * @brief RTEMS Task Name to Id + * @brief RTEMS Task Name to Id * - * This routine implements the rtems_task_ident directive. - * This directive returns the task ID associated with name. - * If more than one task is named name, then the task to - * which the ID belongs is arbitrary. node indicates the - * extent of the search for the ID of the task named name. - * The search can be limited to a particular node or allowed to - * encompass all nodes. + * This routine implements the rtems_task_ident directive. + * This directive returns the task ID associated with name. + * If more than one task is named name, then the task to + * which the ID belongs is arbitrary. node indicates the + * extent of the search for the ID of the task named name. + * The search can be limited to a particular node or allowed to + * encompass all nodes. * - * @param[in] name is the user defined thread name - * @param[in] node is(are) the node(s) to be searched - * @param[in] id is the pointer to thread id + * @param[in] name is the user defined thread name + * @param[in] node is(are) the node(s) to be searched + * @param[in] id is the pointer to thread id * - * @return This method returns RTEMS_SUCCESSFUL if there was not an - * error. Otherwise, a status code is returned indicating the - * source of the error. If successful, the id will - * be filled in with the thread id. + * @retval This method returns RTEMS_SUCCESSFUL if there was not an + * error. Otherwise, a status code is returned indicating the + * source of the error. If successful, the id will + * be filled in with the thread id. */ rtems_status_code rtems_task_ident( rtems_name name, @@ -306,35 +309,35 @@ rtems_status_code rtems_task_ident( ); /** - * @brief RTEMS Delete Task + * @brief RTEMS Delete Task * - * This routine implements the rtems_task_delete directive. The - * task indicated by ID is deleted. The executive halts execution - * of the thread and frees the thread control block. + * This routine implements the rtems_task_delete directive. The + * task indicated by ID is deleted. The executive halts execution + * of the thread and frees the thread control block. * - * @param[in] id is the thread id + * @param[in] id is the thread id * - * @return This method returns RTEMS_SUCCESSFUL if there was not an - * error and id is not the requesting thread. Status code is - * returned indicating the source of the error. Nothing - * is returned if id is the requesting thread (always succeeds). + * @retval This method returns RTEMS_SUCCESSFUL if there was not an + * error and id is not the requesting thread. Status code is + * returned indicating the source of the error. Nothing + * is returned if id is the requesting thread (always succeeds). */ rtems_status_code rtems_task_delete( rtems_id id ); /** - * @brief RTEMS Get Task Node + * @brief RTEMS Get Task Node * - * This routine implements the rtems_task_get_note directive. The - * value of the indicated notepad for the task associated with ID - * is returned in note. + * This routine implements the rtems_task_get_note directive. The + * value of the indicated notepad for the task associated with ID + * is returned in note. * - * @param[in] id is the thread id - * @param[in] notepad is the notepad number - * @param[out] note is the pointer to note + * @param[in] id is the thread id + * @param[in] notepad is the notepad number + * @param[out] note is the pointer to note * - * @return RTEMS_SUCCESSFUL if successful or error code if unsuccessful + * @retval RTEMS_SUCCESSFUL if successful or error code if unsuccessful */ rtems_status_code rtems_task_get_note( rtems_id id, @@ -343,19 +346,19 @@ rtems_status_code rtems_task_get_note( ); /** - * @brief RTEMS Set Task Note + * @brief RTEMS Set Task Note * - * This routine implements the rtems_task_set_note directive. The - * value of the indicated notepad for the task associated with ID - * is returned in note. + * This routine implements the rtems_task_set_note directive. The + * value of the indicated notepad for the task associated with ID + * is returned in note. * - * @param[in] id is the thread id - * @param[in] notepad is the notepad number - * @param[in] note is the note value + * @param[in] id is the thread id + * @param[in] notepad is the notepad number + * @param[in] note is the note value * - * @return This method returns RTEMS_SUCCESSFUL if there was not an - * error. Otherwise, a status code is returned indicating the - * source of the error. + * @return This method returns RTEMS_SUCCESSFUL if there was not an + * error. Otherwise, a status code is returned indicating the + * source of the error. */ rtems_status_code rtems_task_set_note( rtems_id id, @@ -364,19 +367,19 @@ rtems_status_code rtems_task_set_note( ); /** - * @brief RTEMS Task Mode + * @brief RTEMS Task Mode * - * This routine implements the rtems_task_mode directive. The current - * values of the modes indicated by mask of the calling task are changed - * to that indicated in mode_set. The former mode of the task is - * returned in mode_set. + * This routine implements the rtems_task_mode directive. The current + * values of the modes indicated by mask of the calling task are changed + * to that indicated in mode_set. The former mode of the task is + * returned in mode_set. * - * @param[in] mode_set is the new mode - * @param[in] mask is the mask - * @param[in] previous_mode_set is the address of previous mode set + * @param[in] mode_set is the new mode + * @param[in] mask is the mask + * @param[in] previous_mode_set is the address of previous mode set * - * @return RTEMS_SUCCESSFUL and previous_mode_set filled in with the - * previous mode set + * @retval RTEMS_SUCCESSFUL and previous_mode_set filled in with the + * previous mode set */ rtems_status_code rtems_task_mode( rtems_mode mode_set, @@ -385,16 +388,16 @@ rtems_status_code rtems_task_mode( ); /** - * @brief RTEMS Task Restart + * @brief RTEMS Task Restart * - * This routine implements the rtems_task_restart directive. The - * task associated with ID is restarted at its initial entry - * point with the new argument. + * This routine implements the rtems_task_restart directive. The + * task associated with ID is restarted at its initial entry + * point with the new argument. * - * @param[in] id is the thread id - * @param[in] arg is the thread argument + * @param[in] id is the thread id + * @param[in] arg is the thread argument * - * @return RTEMS_SUCCESSFUL if successful or error code if unsuccessful + * @retval RTEMS_SUCCESSFUL if successful or error code if unsuccessful */ rtems_status_code rtems_task_restart( rtems_id id, @@ -402,52 +405,52 @@ rtems_status_code rtems_task_restart( ); /** - * @brief RTEMS Suspend Task + * @brief RTEMS Suspend Task * - * This routine implements the rtems_task_suspend directive. The - * SUSPENDED state is set for task associated with ID. Note that the - * suspended state can be in addition to other waiting states. + * This routine implements the rtems_task_suspend directive. The + * SUSPENDED state is set for task associated with ID. Note that the + * suspended state can be in addition to other waiting states. * - * @param[in] id is the thread id + * @param[in] id is the thread id * - * @return This method returns RTEMS_SUCCESSFUL if there was not an - * error. Otherwise, a status code is returned indicating the - * source of the error. + * @retval This method returns RTEMS_SUCCESSFUL if there was not an + * error. Otherwise, a status code is returned indicating the + * source of the error. */ rtems_status_code rtems_task_suspend( rtems_id id ); /** - * @brief RTEMS Resume Task + * @brief RTEMS Resume Task * - * This routine implements the rtems_task_resume Directive. The - * SUSPENDED state is cleared for task associated with ID. + * This routine implements the rtems_task_resume Directive. The + * SUSPENDED state is cleared for task associated with ID. * - * @param[in] id is the thread id + * @param[in] id is the thread id * - * @return This method returns RTEMS_SUCCESSFUL if there was not an - * error. Otherwise, a status code is returned indicating the - * source of the error. + * @retval This method returns RTEMS_SUCCESSFUL if there was not an + * error. Otherwise, a status code is returned indicating the + * source of the error. */ rtems_status_code rtems_task_resume( rtems_id id ); /** - * @brief RTEMS Set Task Priority + * @brief RTEMS Set Task Priority * - * This routine implements the rtems_task_set_priority directive. The - * current priority of the task associated with ID is set to - * new_priority. The former priority of that task is returned - * in old_priority. + * This routine implements the rtems_task_set_priority directive. The + * current priority of the task associated with ID is set to + * new_priority. The former priority of that task is returned + * in old_priority. * - * @param[in] id is the thread to extract - * @param[in] new_priority is the thread to extract - * @param[in] old_priority is the thread to extract + * @param[in] id is the thread to extract + * @param[in] new_priority is the thread to extract + * @param[in] old_priority is the thread to extract * - * @return RTEMS_SUCCESSFUL if successful or error code if unsuccessful and - * and *old_priority filled in with the previous previous priority + * @retval RTEMS_SUCCESSFUL if successful or error code if unsuccessful and + * and *old_priority filled in with the previous previous priority */ rtems_status_code rtems_task_set_priority( rtems_id id, @@ -471,29 +474,29 @@ rtems_status_code rtems_task_start( ); /** - * @brief RTEMS Task Wake When + * @brief RTEMS Task Wake When * - * This routine implements the rtems_task_wake_when directive. The - * calling task is blocked until the current time of day is - * equal to that indicated by time_buffer. + * This routine implements the rtems_task_wake_when directive. The + * calling task is blocked until the current time of day is + * equal to that indicated by time_buffer. * - * @param[in] time_buffer is the pointer to the time and date structure + * @param[in] time_buffer is the pointer to the time and date structure * - * @return RTEMS_SUCCESSFUL if successful or error code if unsuccessful + * @retval RTEMS_SUCCESSFUL if successful or error code if unsuccessful */ rtems_status_code rtems_task_wake_when( rtems_time_of_day *time_buffer ); /** - * @brief RTEMS Task Wake After + * @brief RTEMS Task Wake After * - * This routine implements the rtems_task_wake_after directive. The - * calling task is blocked until the indicated number of clock - * ticks have occurred. + * This routine implements the rtems_task_wake_after directive. The + * calling task is blocked until the indicated number of clock + * ticks have occurred. * - * @param[in] ticks is the number of ticks to wait - * @return RTEMS_SUCCESSFUL + * @param[in] ticks is the number of ticks to wait + * @retval RTEMS_SUCCESSFUL */ rtems_status_code rtems_task_wake_after( rtems_interval ticks |