URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [rtems/] [src/] [tasksuspend.c] - Rev 593
Go to most recent revision | Compare with Previous | Blame | View Log
/* * 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: tasksuspend.c,v 1.2 2001-09-27 11:59:19 chris Exp $ */ #include <rtems/system.h> #include <rtems/rtems/status.h> #include <rtems/rtems/support.h> #include <rtems/rtems/modes.h> #include <rtems/score/object.h> #include <rtems/score/stack.h> #include <rtems/score/states.h> #include <rtems/rtems/tasks.h> #include <rtems/score/thread.h> #include <rtems/score/threadq.h> #include <rtems/score/tod.h> #include <rtems/score/userext.h> #include <rtems/score/wkspace.h> #include <rtems/score/apiext.h> #include <rtems/score/sysstate.h> /*PAGE * * rtems_task_suspend * * This directive will place the specified thread in the "suspended" * state. Note that the suspended state can be in addition to * other waiting states. * * Input parameters: * id - thread id * * Output parameters: * RTEMS_SUCCESSFUL - if successful * error code - if unsuccessful */ rtems_status_code rtems_task_suspend( Objects_Id id ) { register Thread_Control *the_thread; Objects_Locations location; the_thread = _Thread_Get( id, &location ); switch ( location ) { case OBJECTS_REMOTE: #if defined(RTEMS_MULTIPROCESSING) return _RTEMS_tasks_MP_Send_request_packet( RTEMS_TASKS_MP_SUSPEND_REQUEST, id, 0, /* Not used */ 0, /* Not used */ 0 /* Not used */ ); #endif case OBJECTS_ERROR: return RTEMS_INVALID_ID; case OBJECTS_LOCAL: if ( !_States_Is_suspended( the_thread->current_state ) ) { _Thread_Suspend( the_thread ); _Thread_Enable_dispatch(); return RTEMS_SUCCESSFUL; } _Thread_Enable_dispatch(); return RTEMS_ALREADY_SUSPENDED; } return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ }
Go to most recent revision | Compare with Previous | Blame | View Log