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#import "OFList.h"
#import "OFAutoreleasePool.h"
#import "OFExceptions.h"
#import "threading.h"
static OFList *tlskeys;
static of_tlskey_t thread_self;
static id
call_main(id obj)
call_run(id obj)
{
if (!of_tlskey_set(thread_self, obj))
@throw [OFInitializationFailedException
newWithClass: [obj class]];
/*
* Nasty workaround for thread implementations which can't return a
* value on join.
*/
((OFThread*)obj)->retval = [obj main];
((OFThread*)obj)->retval = [[obj run] retain];
[obj handleTermination];
((OFThread*)obj)->running = OF_THREAD_WAITING_FOR_JOIN;
[OFTLSKey callAllDestructors];
[OFAutoreleasePool releaseAll];
[obj release];
return 0;
}
@implementation OFThread
+ (void)initialize
{
if (self != [OFThread class])
return;
if (!of_tlskey_new(&thread_self))
@throw [OFInitializationFailedException newWithClass: self];
}
+ threadWithObject: (OFObject <OFCopying>*)obj
{
return [[[self alloc] initWithObject: obj] autorelease];
}
+ setObject: (OFObject*)obj
forTLSKey: (OFTLSKey*)key
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return self;
}
+ (id)objectForTLSKey: (OFTLSKey*)key
{
return [[of_tlskey_get(key->key) retain] autorelease];
}
+ (OFThread*)currentThread
{
return of_tlskey_get(thread_self);
}
+ (void)terminate
{
[self terminateWithObject: nil];
}
+ (void)terminateWithObject: (id)obj
{
OFThread *thread = of_tlskey_get(thread_self);
if (thread != nil) {
thread->retval = [obj retain];
[thread handleTermination];
thread->running = OF_THREAD_WAITING_FOR_JOIN;
}
[OFTLSKey callAllDestructors];
[OFAutoreleasePool releaseAll];
[thread release];
of_thread_exit();
}
- init
{
@throw [OFNotImplementedException newWithClass: isa
selector: _cmd];
}
- initWithObject: (OFObject <OFCopying>*)obj
{
self = [super init];
object = [obj retain];
if (!of_thread_new(&thread, call_main, self)) {
Class c = isa;
return self;
}
[object release];
[super dealloc];
@throw [OFInitializationFailedException newWithClass: c];
}
running = YES;
return self;
- main
- start
{
if (!of_thread_new(&thread, call_run, self))
@throw [OFThreadStartFailedException newWithClass: isa];
running = OF_THREAD_RUNNING;
[self retain];
return nil;
return self;
}
- join
- (id)join
{
of_thread_join(thread);
running = NO;
if (running != OF_THREAD_WAITING_FOR_JOIN || !of_thread_join(thread))
@throw [OFThreadJoinFailedException newWithClass: isa];
running = OF_THREAD_NOT_RUNNING;
return retval;
}
- (void)dealloc
{
/*
* No need to handle errors - if canceling the thread fails, we can't
* do anything anyway. Most likely, it finished already or was already
* canceled.
*/
if (running)
of_thread_cancel(thread);
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