From 317a5b52b5060ef98ffe2b3bb3f980165fea8e81 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Tue, 2 Nov 1999 19:43:52 +0000 Subject: Split object.c into multiple files. --- cpukit/score/src/objectallocate.c | 69 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 cpukit/score/src/objectallocate.c (limited to 'cpukit/score/src/objectallocate.c') diff --git a/cpukit/score/src/objectallocate.c b/cpukit/score/src/objectallocate.c new file mode 100644 index 0000000000..787aaad592 --- /dev/null +++ b/cpukit/score/src/objectallocate.c @@ -0,0 +1,69 @@ +/* + * Object Handler + * + * + * COPYRIGHT (c) 1989-1998. + * On-Line Applications Research Corporation (OAR). + * Copyright assigned to U.S. Government, 1994. + * + * 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. + * + * $Id$ + */ + +#include +#include +#include +#include +#if defined(RTEMS_MULTIPROCESSING) +#include +#endif +#include +#include +#include +#include + +/*PAGE + * + * _Objects_Allocate + * + * DESCRIPTION: + * + * This function allocates a object control block from + * the inactive chain of free object control blocks. + */ + +Objects_Control *_Objects_Allocate( + Objects_Information *information +) +{ + Objects_Control *the_object = + (Objects_Control *) _Chain_Get( &information->Inactive ); + + if ( information->auto_extend ) { + /* + * If the list is empty then we are out of objects and need to + * extend information base. + */ + + if ( !the_object ) { + _Objects_Extend_information( information ); + the_object = (Objects_Control *) _Chain_Get( &information->Inactive ); + } + + if ( the_object ) { + unsigned32 block; + + block = _Objects_Get_index( the_object->id ) - + _Objects_Get_index( information->minimum_id ); + block /= information->allocation_size; + + information->inactive_per_block[ block ]--; + information->inactive--; + } + } + + return the_object; +} -- cgit v1.2.3