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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [rtems/] [src/] [taskmp.c] - Rev 310
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/* * Multiprocessing Support for the RTEMS Task Manager * * * COPYRIGHT (c) 1989-1999. * 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.OARcorp.com/rtems/license.html. * * $Id: taskmp.c,v 1.2 2001-09-27 11:59:19 chris Exp $ */ #include <rtems/system.h> #include <rtems/rtems/status.h> #include <rtems/score/mpci.h> #include <rtems/score/mppkt.h> #include <rtems/score/object.h> #include <rtems/rtems/options.h> #include <rtems/rtems/tasks.h> #include <rtems/score/thread.h> #include <rtems/score/watchdog.h> #include <rtems/rtems/support.h> /*PAGE * * _RTEMS_tasks_MP_Send_process_packet * */ void _RTEMS_tasks_MP_Send_process_packet ( RTEMS_tasks_MP_Remote_operations operation, Objects_Id task_id, rtems_name name ) { RTEMS_tasks_MP_Packet *the_packet; switch ( operation ) { case RTEMS_TASKS_MP_ANNOUNCE_CREATE: case RTEMS_TASKS_MP_ANNOUNCE_DELETE: the_packet = _RTEMS_tasks_MP_Get_packet(); the_packet->Prefix.the_class = MP_PACKET_TASKS; the_packet->Prefix.length = sizeof ( RTEMS_tasks_MP_Packet ); the_packet->Prefix.to_convert = sizeof ( RTEMS_tasks_MP_Packet ); the_packet->operation = operation; the_packet->Prefix.id = task_id; the_packet->name = name; _MPCI_Send_process_packet( MPCI_ALL_NODES, &the_packet->Prefix ); break; case RTEMS_TASKS_MP_SUSPEND_REQUEST: case RTEMS_TASKS_MP_SUSPEND_RESPONSE: case RTEMS_TASKS_MP_RESUME_REQUEST: case RTEMS_TASKS_MP_RESUME_RESPONSE: case RTEMS_TASKS_MP_SET_PRIORITY_REQUEST: case RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE: case RTEMS_TASKS_MP_GET_NOTE_REQUEST: case RTEMS_TASKS_MP_GET_NOTE_RESPONSE: case RTEMS_TASKS_MP_SET_NOTE_REQUEST: case RTEMS_TASKS_MP_SET_NOTE_RESPONSE: break; } } /*PAGE * * _RTEMS_tasks_MP_Send_request_packet * */ rtems_status_code _RTEMS_tasks_MP_Send_request_packet ( RTEMS_tasks_MP_Remote_operations operation, Objects_Id task_id, rtems_task_priority new_priority, unsigned32 notepad, unsigned32 note ) { RTEMS_tasks_MP_Packet *the_packet; switch ( operation ) { case RTEMS_TASKS_MP_SUSPEND_REQUEST: case RTEMS_TASKS_MP_RESUME_REQUEST: case RTEMS_TASKS_MP_SET_PRIORITY_REQUEST: case RTEMS_TASKS_MP_GET_NOTE_REQUEST: case RTEMS_TASKS_MP_SET_NOTE_REQUEST: the_packet = _RTEMS_tasks_MP_Get_packet(); the_packet->Prefix.the_class = MP_PACKET_TASKS; the_packet->Prefix.length = sizeof ( RTEMS_tasks_MP_Packet ); the_packet->Prefix.to_convert = sizeof ( RTEMS_tasks_MP_Packet ); the_packet->operation = operation; the_packet->Prefix.id = task_id; the_packet->the_priority = new_priority; the_packet->notepad = notepad; the_packet->note = note; return _MPCI_Send_request_packet( rtems_get_node( task_id ), &the_packet->Prefix, STATES_READY /* Not used */ ); break; case RTEMS_TASKS_MP_ANNOUNCE_CREATE: case RTEMS_TASKS_MP_ANNOUNCE_DELETE: case RTEMS_TASKS_MP_SUSPEND_RESPONSE: case RTEMS_TASKS_MP_RESUME_RESPONSE: case RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE: case RTEMS_TASKS_MP_GET_NOTE_RESPONSE: case RTEMS_TASKS_MP_SET_NOTE_RESPONSE: break; } /* * The following line is included to satisfy compilers which * produce warnings when a function does not end with a return. */ return RTEMS_SUCCESSFUL; } /*PAGE * * _RTEMS_tasks_MP_Send_response_packet * */ void _RTEMS_tasks_MP_Send_response_packet ( RTEMS_tasks_MP_Remote_operations operation, Thread_Control *the_thread ) { RTEMS_tasks_MP_Packet *the_packet; switch ( operation ) { case RTEMS_TASKS_MP_SUSPEND_RESPONSE: case RTEMS_TASKS_MP_RESUME_RESPONSE: case RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE: case RTEMS_TASKS_MP_GET_NOTE_RESPONSE: case RTEMS_TASKS_MP_SET_NOTE_RESPONSE: the_packet = (RTEMS_tasks_MP_Packet *) the_thread->receive_packet; /* * The packet being returned already contains the class, length, and * to_convert fields, therefore they are not set in this routine. */ the_packet->operation = operation; the_packet->Prefix.id = the_packet->Prefix.source_tid; _MPCI_Send_response_packet( rtems_get_node( the_packet->Prefix.source_tid ), &the_packet->Prefix ); break; case RTEMS_TASKS_MP_ANNOUNCE_CREATE: case RTEMS_TASKS_MP_ANNOUNCE_DELETE: case RTEMS_TASKS_MP_SUSPEND_REQUEST: case RTEMS_TASKS_MP_RESUME_REQUEST: case RTEMS_TASKS_MP_SET_PRIORITY_REQUEST: case RTEMS_TASKS_MP_GET_NOTE_REQUEST: case RTEMS_TASKS_MP_SET_NOTE_REQUEST: break; } } /*PAGE * * * _RTEMS_tasks_MP_Process_packet * */ void _RTEMS_tasks_MP_Process_packet ( rtems_packet_prefix *the_packet_prefix ) { RTEMS_tasks_MP_Packet *the_packet; Thread_Control *the_thread; boolean ignored; the_packet = (RTEMS_tasks_MP_Packet *) the_packet_prefix; switch ( the_packet->operation ) { case RTEMS_TASKS_MP_ANNOUNCE_CREATE: ignored = _Objects_MP_Allocate_and_open( &_RTEMS_tasks_Information, the_packet->name, the_packet->Prefix.id, TRUE ); _MPCI_Return_packet( the_packet_prefix ); break; case RTEMS_TASKS_MP_ANNOUNCE_DELETE: _Objects_MP_Close( &_RTEMS_tasks_Information, the_packet->Prefix.id ); _MPCI_Return_packet( the_packet_prefix ); break; case RTEMS_TASKS_MP_SUSPEND_REQUEST: the_packet->Prefix.return_code = rtems_task_suspend( the_packet->Prefix.id ); _RTEMS_tasks_MP_Send_response_packet( RTEMS_TASKS_MP_SUSPEND_RESPONSE, _Thread_Executing ); break; case RTEMS_TASKS_MP_SUSPEND_RESPONSE: case RTEMS_TASKS_MP_RESUME_RESPONSE: case RTEMS_TASKS_MP_SET_NOTE_RESPONSE: the_thread = _MPCI_Process_response( the_packet_prefix ); _MPCI_Return_packet( the_packet_prefix ); break; case RTEMS_TASKS_MP_RESUME_REQUEST: the_packet->Prefix.return_code = rtems_task_resume( the_packet->Prefix.id ); _RTEMS_tasks_MP_Send_response_packet( RTEMS_TASKS_MP_RESUME_RESPONSE, _Thread_Executing ); break; case RTEMS_TASKS_MP_SET_PRIORITY_REQUEST: the_packet->Prefix.return_code = rtems_task_set_priority( the_packet->Prefix.id, the_packet->the_priority, &the_packet->the_priority ); _RTEMS_tasks_MP_Send_response_packet( RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE, _Thread_Executing ); break; case RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE: the_thread = _MPCI_Process_response( the_packet_prefix ); *(rtems_task_priority *)the_thread->Wait.return_argument = the_packet->the_priority; _MPCI_Return_packet( the_packet_prefix ); break; case RTEMS_TASKS_MP_GET_NOTE_REQUEST: the_packet->Prefix.return_code = rtems_task_get_note( the_packet->Prefix.id, the_packet->notepad, &the_packet->note ); _RTEMS_tasks_MP_Send_response_packet( RTEMS_TASKS_MP_GET_NOTE_RESPONSE, _Thread_Executing ); break; case RTEMS_TASKS_MP_GET_NOTE_RESPONSE: the_thread = _MPCI_Process_response( the_packet_prefix ); *(unsigned32 *)the_thread->Wait.return_argument = the_packet->note; _MPCI_Return_packet( the_packet_prefix ); break; case RTEMS_TASKS_MP_SET_NOTE_REQUEST: the_packet->Prefix.return_code = rtems_task_set_note( the_packet->Prefix.id, the_packet->notepad, the_packet->note ); _RTEMS_tasks_MP_Send_response_packet( RTEMS_TASKS_MP_SET_NOTE_RESPONSE, _Thread_Executing ); break; } } /*PAGE * * _RTEMS_tasks_MP_Send_object_was_deleted * * This routine is not neededby the Tasks since a task * cannot be globally deleted. * */ /*PAGE * * _RTEMS_tasks_MP_Send_extract_proxy * * This routine is not neededby the Tasks since a task * cannot be globally deleted. * */ /*PAGE * * _RTEMS_tasks_MP_Get_packet * */ RTEMS_tasks_MP_Packet *_RTEMS_tasks_MP_Get_packet ( void ) { return (RTEMS_tasks_MP_Packet *) _MPCI_Get_packet(); } /* end of file */
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