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* Q Public License 1.0, which can be found in the file LICENSE included in
* the packaging of this file.
*/
#include "config.h"
#include <stdlib.h>
#ifndef _WIN32
#include <pthread.h>
#else
#include <windows.h>
#endif
#import "OFAutoreleasePool.h"
#import "OFList.h"
#import "OFThread.h"
#import "OFExceptions.h"
/*
* Pay special attention to NULL and nil in this file, they might be different!
* Use NULL for TLS values and nil for instance variables.
*/
static OFTLSKey *pool_list_key;
release_list(void *list)
release_all(void *list)
{
#ifndef _WIN32
of_list_object_t *first, *iter;
IMP release;
void *first = pthread_getspecific(first_key);
#else
void *first = TlsGetValue(first_key);
if ((first = [(OFList*)list first]) != NULL)
release = [first->object methodForSelector: @selector(release)];
for (iter = first; iter != NULL; iter = iter->next)
release(iter->object, @selector(release));
[(OFList*)list release];
[(OFAutoreleasePool*)first release];
}
@implementation OFAutoreleasePool
+ (void)initialize
{
if (self != [OFAutoreleasePool class])
return;
#ifndef _WIN32
if (pthread_key_create(&first_key, release_all) ||
pthread_key_create(&last_key, NULL))
#else
pool_list_key = [[OFTLSKey alloc] initWithDestructor: release_list];
/* FIXME: Call destructor */
if ((first_key = TlsAlloc()) == TLS_OUT_OF_INDEXES ||
(last_key = TlsAlloc()) == TLS_OUT_OF_INDEXES)
#endif
@throw [OFInitializationFailedException newWithClass: self];
}
+ (void)addObjectToTopmostPool: (OFObject*)obj
{
#ifndef _WIN32
OFList *pool_list = [OFThread objectForTLSKey: pool_list_key];
void *last = pthread_getspecific(last_key);
#else
void *last = TlsGetValue(last_key);
#endif
if (pool_list == nil || [pool_list last] == NULL) {
if (last == NULL) {
@try {
[[self alloc] init];
pool_list = [OFThread objectForTLSKey: pool_list_key];
}
if (pool_list == nil || [pool_list last] == NULL) {
[[pool_list last]->object addObject: obj];
[(OFAutoreleasePool*)last addObject: obj];
} @catch (OFException *e) {
[obj release];
@throw e;
}
}
- init
{
OFList *pool_list;
if ((pool_list = [OFThread objectForTLSKey: pool_list_key]) == nil) {
@try {
pool_list = [[OFList alloc]
initWithoutRetainAndRelease];
} @catch (OFException *e) {
[self dealloc];
@throw e;
}
@try {
[OFThread setObject: pool_list
forTLSKey: pool_list_key];
} @catch (OFException *e) {
[self dealloc];
@throw e;
} @finally {
[pool_list release];
@try {
listobj = [pool_list append: self];
} @catch (OFException *e) {
[self dealloc];
@throw e;
/*
* FIXME:
* Maybe we should get the objects ourself, release them and then
* release the pool without calling its release method? This way,
* there wouldn't be a recursion.
*/
if (listobj->next != NULL)
[listobj->next->object release];
[self releaseObjects];
[[OFThread objectForTLSKey: pool_list_key] remove: listobj];
[objects release];
[super dealloc];
}
- addObject: (OFObject*)obj
{
if (objects == nil)
objects = [[OFMutableArray alloc] init];
[objects addObject: obj];
[obj release];
return self;
}
- releaseObjects
{
if (listobj->next != NULL)
[listobj->next->object releaseObjects];
|