libs-base/Headers/gnustep/base/NSThread.h

/* Control of executable units within a shared virtual memory space
   Copyright (C) 1996 Free Software Foundation, Inc.

   Original Author:  Scott Christley <scottc@net-community.com>
   Rewritten by: Andrew McCallum <mccallum@gnu.ai.mit.edu>
   Created: 1996
   
   This file is part of the GNUstep Objective-C 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 __NSThread_h_GNUSTEP_BASE_INCLUDE
#define __NSThread_h_GNUSTEP_BASE_INCLUDE

#include <base/preface.h>
#include <objc/thr.h>
#include <Foundation/NSDictionary.h>
#include <Foundation/NSDate.h>
#include <Foundation/NSException.h>
#include <Foundation/NSAutoreleasePool.h> // for struct autorelease_thread_vars

typedef enum
{
  NSInteractiveThreadPriority,
  NSBackgroundThreadPriority,
  NSLowThreadPriority
} NSThreadPriority;

@interface NSThread : NSObject
{
  id			_target;
  id			_arg;
  SEL			_selector;
  BOOL			_active;
@public
  NSHandler		*_exception_handler;
  NSMutableDictionary	*_thread_dictionary;
  struct autorelease_thread_vars _autorelease_vars;
  id			_gcontext;
}

+ (NSThread*) currentThread;
+ (void) detachNewThreadSelector: (SEL)aSelector
		        toTarget: (id)aTarget
		      withObject: (id)anArgument;

+ (BOOL) isMultiThreaded;
- (NSMutableDictionary*) threadDictionary;

+ (void) sleepUntilDate: (NSDate*)date;
+ (void) exit;

@end

/* Notification Strings. */
extern NSString	*NSWillBecomeMultiThreadedNotification;
#define	NSBecomingMultiThreaded NSWillBecomeMultiThreadedNotification
extern NSString	*NSThreadWillExitNotification;
#define NSThreadExiting NSThreadWillExitNotification

#ifndef	NO_GNUSTEP
/*
 *	Get current thread and it's dictionary.
 */
extern NSThread			*GSCurrentThread();
extern NSMutableDictionary	*GSCurrentThreadDictionary();
#endif

#endif /* __NSThread_h_GNUSTEP_BASE_INCLUDE */