diff options
Diffstat (limited to 'gpxe/src/core/refcnt.c')
-rw-r--r-- | gpxe/src/core/refcnt.c | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/gpxe/src/core/refcnt.c b/gpxe/src/core/refcnt.c deleted file mode 100644 index f2286cac..00000000 --- a/gpxe/src/core/refcnt.c +++ /dev/null @@ -1,78 +0,0 @@ -/* - * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -#include <stdlib.h> -#include <gpxe/refcnt.h> - -/** @file - * - * Reference counting - * - */ - -/** - * Increment reference count - * - * @v refcnt Reference counter, or NULL - * @ret refcnt Reference counter - * - * If @c refcnt is NULL, no action is taken. - */ -struct refcnt * ref_get ( struct refcnt *refcnt ) { - - if ( refcnt ) { - refcnt->refcnt++; - DBGC2 ( refcnt, "REFCNT %p incremented to %d\n", - refcnt, refcnt->refcnt ); - } - return refcnt; -} - -/** - * Decrement reference count - * - * @v refcnt Reference counter, or NULL - * - * If the reference count decreases below zero, the object's free() - * method will be called. - * - * If @c refcnt is NULL, no action is taken. - */ -void ref_put ( struct refcnt *refcnt ) { - - if ( ! refcnt ) - return; - - refcnt->refcnt--; - DBGC2 ( refcnt, "REFCNT %p decremented to %d\n", - refcnt, refcnt->refcnt ); - - if ( refcnt->refcnt >= 0 ) - return; - - if ( refcnt->free ) { - DBGC ( refcnt, "REFCNT %p being freed via method %p\n", - refcnt, refcnt->free ); - refcnt->free ( refcnt ); - } else { - DBGC ( refcnt, "REFCNT %p being freed\n", refcnt ); - free ( refcnt ); - } -} |