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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [rtems/] [src/] [ratemoncreate.c] - Rev 593
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/* * Rate Monotonic 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: ratemoncreate.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/isr.h> #include <rtems/score/object.h> #include <rtems/rtems/ratemon.h> #include <rtems/score/thread.h> /*PAGE * * rtems_rate_monotonic_create * * This directive creates a rate monotonic timer and performs * some initialization. * * Input parameters: * name - name of period * id - pointer to rate monotonic id * * Output parameters: * id - rate monotonic id * RTEMS_SUCCESSFUL - if successful * error code - if unsuccessful */ rtems_status_code rtems_rate_monotonic_create( rtems_name name, Objects_Id *id ) { Rate_monotonic_Control *the_period; if ( !rtems_is_name_valid( name ) ) return RTEMS_INVALID_NAME; _Thread_Disable_dispatch(); /* to prevent deletion */ the_period = _Rate_monotonic_Allocate(); if ( !the_period ) { _Thread_Enable_dispatch(); return RTEMS_TOO_MANY; } the_period->owner = _Thread_Executing; the_period->state = RATE_MONOTONIC_INACTIVE; _Objects_Open( &_Rate_monotonic_Information, &the_period->Object, &name ); *id = the_period->Object.id; _Thread_Enable_dispatch(); return RTEMS_SUCCESSFUL; }
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