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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@13578 72102866-910b-0410-8b05-ffd578937521
94 lines
2.2 KiB
Objective-C
94 lines
2.2 KiB
Objective-C
/** Implementation for NSPipe for GNUStep
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Copyright (C) 1997 Free Software Foundation, Inc.
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Written by: Richard Frith-Macdonald <richard@brainstorm.co.uk>
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Date: 1997
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This file is part of the GNUstep Base Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
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<title>NSPipe class reference</title>
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$Date$ $Revision$
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*/
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#include <config.h>
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#include <base/preface.h>
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#include <Foundation/NSObject.h>
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#include <Foundation/NSFileHandle.h>
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#include <Foundation/NSDebug.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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@implementation NSPipe
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// Allocating and Initializing a FileHandle Object
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+ (id) pipe
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{
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return AUTORELEASE([[self alloc] init]);
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}
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- (void) dealloc
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{
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RELEASE(readHandle);
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RELEASE(writeHandle);
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[super dealloc];
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}
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- (id) init
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{
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self = [super init];
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if (self != nil)
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{
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#ifndef __MINGW__
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int p[2];
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if (pipe(p) == 0)
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{
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readHandle = [[NSFileHandle alloc] initWithFileDescriptor: p[0]];
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writeHandle = [[NSFileHandle alloc] initWithFileDescriptor: p[1]];
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}
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else
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{
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NSLog(@"Failed to create pipe ... %s", GSLastErrorStr(errno));
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DESTROY(self);
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}
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#else
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HANDLE readh, writeh;
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if (CreatePipe(&readh, &writeh, NULL, 0) != 0)
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{
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readHandle = [[NSFileHandle alloc] initWithNativeHandle: readh];
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writeHandle = [[NSFileHandle alloc] initWithNativeHandle: writeh];
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}
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#endif
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}
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return self;
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}
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- (id) fileHandleForReading
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{
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return readHandle;
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}
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- (id) fileHandleForWriting
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{
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return writeHandle;
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}
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@end
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