////////////////////////////////////////////////////////////////////////////////
///////   Copyright 1992, Silicon Graphics, Inc.  All Rights Reserved.   ///////
//                                                                            //
// This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;     //
// the contents of this file may not be disclosed to third parties, copied    //
// or duplicated in any form, in whole or in part, without the prior written  //
// permission of Silicon Graphics, Inc.                                       //
//                                                                            //
// RESTRICTED RIGHTS LEGEND:                                                  //
// Use,duplication or disclosure by the Government is subject to restrictions //
// as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data     //
// and Computer Software clause at DFARS 252.227-7013, and/or in similar or   //
// successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -    //
// rights reserved under the Copyright Laws of the United States.             //
//                                                                            //
////////////////////////////////////////////////////////////////////////////////
#ifndef _VKPROGRAM_H
#define _VKPROGRAM_H

#include <Vk/VkSubProcess.h>
#include <Vk/VkCallbackObject.h>

#if _VK_MAJOR > 1
class VkScreen;
#endif

class VkProgram : public VkCallbackObject {
    public:
			VkProgram(const char* cmd, int killChildOnExit = 1);
	virtual			~VkProgram();

	virtual VkSubProcess	run();
#if _VK_MAJOR > 1
	virtual VkSubProcess	run(VkScreen *screen);
#endif

inline	void 		redirectIn(int do_redirect) { _redirectIn = do_redirect; }

    static const char *const exitCallback;
    static const char *const stdoutCallback;
    static const char *const stderrCallback;

    protected:

	/* Variables to hold information provided in constructor */

	char*		_cmd;
	const int	_killChildOnExit;// Kill child if parent terminates?
	int             _redirectIn;

  private:

    // This class is not intended to be copied.  Strangers will get a
    // compile-time error.  Because there is no implementing code, friends
    // and inadvertant local use will get an ld-time error.  If a copy
    // constructor or operator= is ever needed, simply write them and
    // make these entries public.
    VkProgram(const VkProgram&);
    VkProgram &operator= (const VkProgram&);

};

#endif
