ObjFW  Diff

	if (string != nil)
		return string;

	string = [[OFString alloc] initWithFormat:
	    @"Joining a thread of class %s failed! Most likely, another thread "
	    @"already waits for the thread to join.", [class_ className]];

	return string;
}
@end

/* FIXME: Not needed anymore? */
@implementation OFThreadCanceledException
- (OFString*)string
{
	if (string != nil)
		return string;

	string = [[OFString alloc] initWithFormat:
	    @"The requested action cannot be performed because the thread of "
	    @"class %s was canceled!", [class_ className]];

	return string;
}
@end

@implementation OFMutexLockFailedException
- (OFString*)string
{