mirror of
https://github.com/gnustep/libs-base.git
synced 2025-05-07 23:10:44 +00:00
ac30183cd6
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@17407 72102866-910b-0410-8b05-ffd578937521
107 lines
3.7 KiB
Objective-C
107 lines
3.7 KiB
Objective-C
/* Interface for NSAutoreleasePool for GNUStep
|
||
Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
|
||
|
||
Written by: Andrew Kachites McCallum <mccallum@gnu.ai.mit.edu>
|
||
Date: 1995
|
||
|
||
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 Library 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 Library General Public
|
||
License along with this library; if not, write to the Free
|
||
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
|
||
*/
|
||
|
||
#ifndef __NSAutoreleasePool_h_GNUSTEP_BASE_INCLUDE
|
||
#define __NSAutoreleasePool_h_GNUSTEP_BASE_INCLUDE
|
||
|
||
#include <Foundation/NSObject.h>
|
||
|
||
@class NSAutoreleasePool;
|
||
@class NSThread;
|
||
|
||
|
||
/* Each thread has its own copy of these variables.
|
||
A pointer to this structure is an ivar of NSThread. */
|
||
typedef struct autorelease_thread_vars
|
||
{
|
||
/* The current, default NSAutoreleasePool for the calling thread;
|
||
the one that will hold objects that are arguments to
|
||
[NSAutoreleasePool +addObject:]. */
|
||
NSAutoreleasePool *current_pool;
|
||
|
||
/* The total number of objects autoreleased since the thread was
|
||
started, or since -resetTotalAutoreleasedObjects was called
|
||
in this thread. (if compiled in) */
|
||
unsigned total_objects_count;
|
||
|
||
/* A cache of NSAutoreleasePool's already alloc'ed. Caching old pools
|
||
instead of deallocating and re-allocating them will save time. */
|
||
id *pool_cache;
|
||
int pool_cache_size;
|
||
int pool_cache_count;
|
||
} thread_vars_struct;
|
||
|
||
/* Initialize an autorelease_thread_vars structure for a new thread.
|
||
This function is called in NSThread each time an NSThread is created.
|
||
TV should be of type `struct autorelease_thread_vars *' */
|
||
#define init_autorelease_thread_vars(TV) memset (TV, 0, sizeof (typeof (*TV)))
|
||
|
||
|
||
|
||
/* Each pool holds its objects-to-be-released in a linked-list of
|
||
these structures. */
|
||
typedef struct autorelease_array_list
|
||
{
|
||
struct autorelease_array_list *next;
|
||
unsigned size;
|
||
unsigned count;
|
||
id objects[0];
|
||
} array_list_struct;
|
||
|
||
|
||
@interface NSAutoreleasePool : NSObject
|
||
{
|
||
/* For re-setting the current pool when we are dealloc'ed. */
|
||
NSAutoreleasePool *_parent;
|
||
/* This pointer to our child pool is necessary for co-existing
|
||
with exceptions. */
|
||
NSAutoreleasePool *_child;
|
||
/* A collection of the objects to be released. */
|
||
struct autorelease_array_list *_released;
|
||
struct autorelease_array_list *_released_head;
|
||
/* The total number of objects autoreleased in this pool. */
|
||
unsigned _released_count;
|
||
/* The method to add an object to this pool */
|
||
void (*_addImp)(id, SEL, id);
|
||
}
|
||
|
||
+ (void) addObject: (id)anObj;
|
||
- (void) addObject: (id)anObj;
|
||
|
||
#ifndef NO_GNUSTEP
|
||
+ (void) enableRelease: (BOOL)enable;
|
||
+ (void) freeCache; /* Free cache of unused pools in this thread. */
|
||
+ (void) setPoolCountThreshhold: (unsigned)c;
|
||
+ (unsigned) autoreleaseCountForObject: (id)anObject;
|
||
+ (void) _endThread: (NSThread*)thread; /* Don't call this directly. */
|
||
/*
|
||
* The next two methods have no effect unless you define COUNT_ALL to be
|
||
* 1 in NSAutoreleasepool.m - doing so incurs a thread lookup overhead
|
||
* each time an object is autoreleased.
|
||
*/
|
||
+ (void) resetTotalAutoreleasedObjects;
|
||
+ (unsigned) totalAutoreleasedObjects;
|
||
#endif
|
||
@end
|
||
|
||
#endif /* __NSAutoreleasePool_h_GNUSTEP_BASE_INCLUDE */
|