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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 1.44 91/07/18 23:01:12 keith 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
-
- #ifndef MAX_REQUEST_SIZE
- #define MAX_REQUEST_SIZE 65535
- #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
- #define ALLOCATE_LOCAL(size) alloca((int)(size))
- #define DEALLOCATE_LOCAL(ptr) /* as nothing */
- #endif /* who does alloca */
-
- #endif /* NO_ALLOCA */
-
- #ifndef ALLOCATE_LOCAL
- #define ALLOCATE_LOCAL(size) Xalloc((unsigned long)(size))
- #define DEALLOCATE_LOCAL(ptr) Xfree((pointer)(ptr))
- #endif /* ALLOCATE_LOCAL */
-
-
- #define xalloc(size) Xalloc((unsigned long)(size))
- #define xrealloc(ptr, size) Xrealloc((pointer)(ptr), (unsigned long)(size))
- #define xfree(ptr) Xfree((pointer)(ptr))
-
- #ifndef X_NOT_STDC_ENV
- #include <string.h>
- #else
- #ifdef SYSV
- #include <string.h>
- #else
- #include <strings.h>
- #endif
- #endif
-
- int ReadRequestFromClient();
- Bool CloseDownConnection();
- FontPathPtr ExpandFontNamePattern();
- FID FiOpenForRead();
- void CreateWellKnownSockets();
- int SetDefaultFontPath();
- void FreeFontRecord();
- int SetFontPath();
- void ErrorF();
- void Error();
- void FatalError();
- void ProcessCommandLine();
- void Xfree();
- void FlushAllOutput();
- void FlushIfCriticalOutputPending();
- unsigned long *Xalloc();
- unsigned long *Xrealloc();
- long GetTimeInMillis();
-
- #endif /* OS_H */
-