libs-base/Headers/Foundation/NSGarbageCollector.h
rfm d7c2ea71f7 MacOS-X compatibility fix for GC
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@27845 72102866-910b-0410-8b05-ffd578937521
2009-02-11 10:11:33 +00:00

104 lines
3.2 KiB
Objective-C

/** Interface for NSGarbageCollector for GNUStep
Copyright (C) 2009 Free Software Foundation, Inc.
Written by: Richard Frith-Macdonald <rfm@gnu.org>
Created: Jan 2009
This file is part of the GNUstep Base Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02111 USA.
AutogsdocSource: NSGarbageCollector.m
*/
#ifndef _NSGarbageCollector_h_GNUSTEP_BASE_INCLUDE
#define _NSGarbageCollector_h_GNUSTEP_BASE_INCLUDE
#import <GNUstepBase/GSVersionMacros.h>
#if OS_API_VERSION(MAC_OS_X_VERSION_10_5, GS_API_LATEST)
#import <Foundation/NSObject.h>
#if defined(__cplusplus)
extern "C" {
#endif
@interface NSGarbageCollector : NSObject
/** Returns the garbage collector instance ... there is only one.<br />
* Returns nil if the process is not using garbage collection.
*/
+ (id) defaultCollector;
/** Collects some memory.
*/
- (void) collectIfNeeded;
/** Collects all collectable memory.
*/
- (void) collectExhaustively;
/** Disables garbage collection until a corresponding call to -enable is made.
* NB. Calls to this method stack, and must be matched by the same number of
* calls to the -enable method.
*/
- (void) disable;
/** Makes the area of memory pointed at be uncollectable ... that is to say,
* the memory will not be collected by the garbage collector. You must not
* explicitly free this memory unless you re-enable collection first.<br />
* Calls to this method do not stack, so callig it multiple times for the
* same pointer has the same effect as calling it once.
*/
- (void) disableCollectorForPointer: (void *)ptr;
/** Enables garbage collection prevously disabled by a call to the
* -disable method. Since calls to -disable stack, you must make as
* many calls to -enable as to -disable in order to re-start collection.
*/
- (void) enable;
/** Enables collection for the area of memory pointed at, which must have
* previously been made uncollectable by a call to the
* -disableCollectorForPointer: method.
*/
- (void) enableCollectorForPointer: (void *)ptr;
/** Returns yes if there is a garbage collection progress.
*/
- (BOOL) isCollecting;
/** Retunrs YES if garbage collecting is currently enabled.
*/
- (BOOL) isEnabled;
/** Returns a zone for holding non-collectable pointers.<br />
* Memory allocated in this zone will not be seen by the garbage collector
* and will never be collected (so it needs to be freed explicitly).
* The presence of pointers from the memory to other objects will not
* prevent those other objects from being collected.
*/
- (NSZone*) zone;
@end
#if defined(__cplusplus)
}
#endif
#endif
#endif