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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [rtems/] [src/] [dpmemdelete.c] - Rev 751
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/* * Dual Port Memory 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: dpmemdelete.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/score/address.h> #include <rtems/rtems/dpmem.h> #include <rtems/score/object.h> #include <rtems/score/thread.h> #include <rtems/rtems/dpmem.h> /*PAGE * * rtems_port_delete * * This directive allows a thread to delete a dual-ported memory area * specified by the dual-ported memory identifier. * * Input parameters: * id - dual-ported memory area id * * Output parameters: * RTEMS_SUCCESSFUL - if successful * error code - if unsuccessful */ rtems_status_code rtems_port_delete( Objects_Id id ) { register Dual_ported_memory_Control *the_port; Objects_Locations location; the_port = _Dual_ported_memory_Get( id, &location ); switch ( location ) { case OBJECTS_REMOTE: /* this error cannot be returned */ return RTEMS_INTERNAL_ERROR; case OBJECTS_ERROR: return RTEMS_INVALID_ID; case OBJECTS_LOCAL: _Objects_Close( &_Dual_ported_memory_Information, &the_port->Object ); _Dual_ported_memory_Free( the_port ); _Thread_Enable_dispatch(); return RTEMS_SUCCESSFUL; } return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ }
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