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/***********************************************************
Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts,
and the Massachusetts Institute of Technology, Cambridge, Massachusetts.
All Rights Reserved
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
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 names of Digital or MIT not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
DIGITAL 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.
******************************************************************/
/* $XConsortium: os.h,v 1.48 92/10/20 09:27:53 rws Exp $ */
#ifndef OS_H
#define OS_H
#include "misc.h"
#ifdef INCLUDE_ALLOCA_H
#include <alloca.h>
#endif
#define NullFID ((FID) 0)
#define SCREEN_SAVER_ON 0
#define SCREEN_SAVER_OFF 1
#define SCREEN_SAVER_FORCER 2
#define SCREEN_SAVER_CYCLE 3
#ifndef MAX_REQUEST_SIZE
#define MAX_REQUEST_SIZE 65535
#endif
#ifndef MAX_BIG_REQUEST_SIZE
#define MAX_BIG_REQUEST_SIZE 1048575
#endif
typedef pointer FID;
typedef struct _FontPathRec *FontPathPtr;
typedef struct _NewClientRec *NewClientPtr;
#ifndef NO_ALLOCA
/*
* os-dependent definition of local allocation and deallocation
* If you want something other than Xalloc/Xfree for ALLOCATE/DEALLOCATE
* LOCAL then you add that in here.
*/
#ifdef __HIGHC__
extern char *alloca();
#if HCVERSION < 21003
#define ALLOCATE_LOCAL(size) alloca((int)(size))
#pragma on(alloca);
#else /* HCVERSION >= 21003 */
#define ALLOCATE_LOCAL(size) _Alloca((int)(size))
#endif /* HCVERSION < 21003 */
#define DEALLOCATE_LOCAL(ptr) /* as nothing */
#endif /* defined(__HIGHC__) */
#ifdef __GNUC__
#define alloca __builtin_alloca
#endif
/*
* warning: old mips alloca (pre 2.10) is unusable, new one is builtin
* Test is easy, the new one is named __builtin_alloca and comes
* from alloca.h which #defines alloca.
*/
#if defined(vax) || defined(sun) || defined(apollo) || defined(stellar) || defined(alloca)
/*
* Some System V boxes extract alloca.o from /lib/libPW.a; if you
* decide that you don't want to use alloca, you might want to fix
* ../os/4.2bsd/Imakefile
*/
#ifndef alloca
char *alloca();
#endif
#ifdef DEBUG_ALLOCA
extern char *debug_alloca();
extern void debug_dealloca();
#define ALLOCATE_LOCAL(size) debug_alloca(__FILE__,__LINE__,(int)(size))
#define DEALLOCATE_LOCAL(ptr) debug_dealloca(__FILE__,__LINE__,(ptr))
#else
#define ALLOCATE_LOCAL(size) alloca((int)(size))
#define DEALLOCATE_LOCAL(ptr) /* as nothing */
#endif
#endif /* who does alloca */
#endif /* NO_ALLOCA */
#ifdef CAHILL_MALLOC
#define Xalloc(len) debug_Xalloc(__FILE__,__LINE__,(len))
#define Xcalloc(len) debug_Xcalloc(__FILE__,__LINE__,(len))
#define Xrealloc(ptr,len) debug_Xrealloc(__FILE__,__LINE__,(ptr),(len))
#define Xfree(ptr) debug_Xfree(__FILE__,__LINE__,(ptr))
#endif
#ifndef ALLOCATE_LOCAL
#define ALLOCATE_LOCAL(size) Xalloc((unsigned long)(size))
#define DEALLOCATE_LOCAL(ptr) Xfree((pointer)(ptr))
#endif /* ALLOCATE_LOCAL */
#ifndef sgi
#define xalloc(size) Xalloc(((unsigned long)(size)))
#define xrealloc(ptr, size) Xrealloc(((pointer)(ptr)), ((unsigned long)(size)))
#define xfree(ptr) Xfree(((pointer)(ptr)))
#else /* sgi */
extern void *safe_alloc(size_t size);
extern void *safe_realloc(void *ptr, size_t size);
extern void safe_free(void *ptr);
#define xalloc(size) safe_alloc(((unsigned long)(size)))
#define xrealloc(ptr, size) \
safe_realloc(((pointer)(ptr)), ((unsigned long)(size)))
#define xfree(ptr) safe_free(((pointer)(ptr)))
#endif /* sgi */
#ifndef X_NOT_STDC_ENV
#include <string.h>
#else
#ifdef SYSV
#include <string.h>
#else
#include <strings.h>
#endif
#endif
int ReadRequestFromClient();
void CloseDownConnection();
FontPathPtr ExpandFontNamePattern();
FID FiOpenForRead();
void CreateWellKnownSockets();
int SetDefaultFontPath();
void FreeFontRecord();
int SetFontPath();
void ErrorF();
void Error();
void FatalError();
void ProcessCommandLine();
void FlushAllOutput();
void FlushIfCriticalOutputPending();
#ifndef CAHILL_MALLOC
void Xfree();
unsigned long *Xalloc();
unsigned long *Xcalloc();
unsigned long *Xrealloc();
#else
void debug_Xfree();
unsigned long *debug_Xalloc();
unsigned long *debug_Xcalloc();
unsigned long *debug_Xrealloc();
#endif
long GetTimeInMillis();
#endif /* OS_H */
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