add new class from Graham Lee <iamleeg@gmail.com>

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@36860 72102866-910b-0410-8b05-ffd578937521

Headers/Foundation/NSInvocationOperation.h

@@ -0,0 +1,63 @@
+/**Interface for NSInvocationOperation for GNUStep
+   Copyright (C) 2013 Free Software Foundation, Inc.
+
+   Written by:  Graham Lee <iamleeg@gmail.com>
+   Date: 2013
+
+   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 Lesser 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 Lesser General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02111 USA.
+
+   */
+
+#ifndef __NSInvocationOperation_h_GNUSTEP_BASE_INCLUDE
+#define __NSInvocationOperation_h_GNUSTEP_BASE_INCLUDE
+
+#import <Foundation/NSOperation.h>
+#if OS_API_VERSION(MAC_OS_X_VERSION_10_5, GS_API_LATEST)
+
+#if	defined(__cplusplus)
+extern "C" {
+#endif
+
+@class NSInvocation;
+@class NSException;
+
+@interface NSInvocationOperation : NSOperation
+{
+  @private
+    NSInvocation *_invocation;
+    NSException *_exception;
+    void        *_reserved;
+}
+
+- (id) initWithInvocation: (NSInvocation *)inv;
+- (id) initWithTarget: (id)target selector: (SEL)aSelector object: (id)arg;
+
+- (NSInvocation *) invocation;
+- (id) result;
+
+@end
+
+extern const NSString * NSInvocationOperationVoidResultException;
+extern const NSString * NSInvocationOperationCancelledException;
+
+#if	defined(__cplusplus)
+}
+#endif
+
+#endif /* OS_API_VERSION */
+#endif /* __NSInvocationOperation_h_GNUSTEP_BASE_INCLUDE */