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/* **********************************************
* *
* header file file descriptor (FD) code *
* *
* James Peterson, 1987 *
* Copyright (C) 1987 MCC
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of MCC not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. MCC makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* MCC DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL MCC BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
* *
* *
* Copyright 2002 Sun Microsystems, Inc. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, and/or sell copies of the Software, and to permit persons
* to whom the Software is furnished to do so, provided that the above
* copyright notice(s) and this permission notice appear in all copies of
* the Software and that both the above copyright notice(s) and this
* permission notice appear in supporting documentation.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
* OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
* INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Except as contained in this notice, the name of a copyright holder
* shall not be used in advertising or otherwise to promote the sale, use
* or other dealings in this Software without prior written authorization
* of the copyright holder.
*
********************************************** */
#ifndef XSCOPE_FD_H
#define XSCOPE_FD_H
/*
the following structure remembers for each file descriptor its
state. In particular, we need to know if it is busy or free
and if it is in use, by whom.
*/
#ifdef USE_XTRANS
#define TRANS_CLIENT
#define TRANS_SERVER
#define X11_t
#include <X11/Xtrans/Xtrans.h>
#else
typedef void *XtransConnInfo;
#endif
#include <sys/select.h>
typedef int FD;
struct FDDescriptor
{
Boolean Busy;
void (*InputHandler)(int);
void (*FlushHandler)(int);
#ifdef USE_XTRANS
XtransConnInfo trans_conn;
#endif
};
extern struct FDDescriptor *FDD /* array of FD descriptors */ ;
extern short MaxFD /* maximum number of FD's possible */ ;
extern short nFDsInUse /* number of FD's actually in use */ ;
extern long ReadDescriptors /* bit map of FD's in use -- for select */ ;
extern long WriteDescriptors /* bit map of write blocked FD's -- for select */;
extern long BlockedReadDescriptors /* bit map of FD's blocked from reading */;
extern short HighestFD /* highest FD in use -- for select */ ;
/* need to change the MaxFD to allow larger number of fd's */
#define StaticMaxFD FD_SETSIZE
extern void InitializeFD(void);
extern void UsingFD(FD fd, void (*Handler)(int), void (*FlushHandler)(int),
XtransConnInfo trans_conn);
extern void NotUsingFD(FD fd);
extern FD AcceptConnection (FD ConnectionSocket);
extern FD MakeConnection (char *server, short port, int report,
XtransConnInfo *trans_conn);
extern int MainLoop(void);
#ifdef USE_XTRANS
extern XtransConnInfo GetXTransConnInfo(FD fd);
#endif
#endif /* XSCOPE_FD_H */
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