1 /* Includes for memory limit warnings.
2 Copyright (C) 1990, 1993, 1994, 1995, 1996, 2002, 2003, 2004,
3 2005, 2006 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
27 /* Some systems need this before <sys/resource.h>. */
28 #include <sys/types.h>
32 #include <sys/resource.h>
33 #define BSD4_2 /* Tell code below to use getrlimit. */
35 /* Old Linux startup code won't define __data_start. */
36 extern int etext
, __data_start
; weak_extern (__data_start
)
37 #define start_of_data() (&__data_start ?: &etext)
41 #ifdef HAVE_SYS_RESOURCE_H
42 # include <sys/time.h>
43 # include <sys/resource.h>
45 # if HAVE_SYS_VLIMIT_H
46 # include <sys/vlimit.h> /* Obsolete, says glibc */
62 #include <sys/vlimit.h>
63 #endif /* not WINDOWSNT */
64 #endif /* not MSDOS */
68 #include <sys/resource.h>
72 /* The important properties of this type are that 1) it's a pointer, and
73 2) arithmetic on it should work as if the size of the object pointed
74 to has a size of 1. */
75 typedef POINTER_TYPE
*POINTER
;
77 typedef unsigned long SIZE
;
82 #define NULL ((POINTER) 0)
84 extern POINTER
start_of_data ();
85 #if defined USE_LSB_TAG
86 #define EXCEEDS_LISP_PTR(ptr) 0
87 #elif defined DATA_SEG_BITS
88 #define EXCEEDS_LISP_PTR(ptr) \
89 (((EMACS_UINT) (ptr) & ~DATA_SEG_BITS) >> VALBITS)
91 #define EXCEEDS_LISP_PTR(ptr) ((EMACS_UINT) (ptr) >> VALBITS)
95 #define start_of_data() ((char *)DATA_START)
102 #define start_of_data() &etext
107 #else /* not emacs */
109 #define start_of_data() &etext
110 #endif /* not emacs */
112 #endif /* not _LIBC */
115 /* arch-tag: fe39244e-e54f-4208-b7aa-02556f7841c5
116 (do not change this comment) */