From 9cee42f10dbc5b33866ff137b926a74abd7c1a5b Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Fri, 1 Mar 2002 20:46:26 +0000 Subject: Major rework of the include files to eliminate redundancy and to better support each arch. This is a really big patch... -Erik --- libc/sysdeps/linux/common/bits/xopen_lim.h | 144 +++++++++++++++++++++++++++++ 1 file changed, 144 insertions(+) create mode 100644 libc/sysdeps/linux/common/bits/xopen_lim.h (limited to 'libc/sysdeps/linux/common/bits/xopen_lim.h') diff --git a/libc/sysdeps/linux/common/bits/xopen_lim.h b/libc/sysdeps/linux/common/bits/xopen_lim.h new file mode 100644 index 000000000..7f3611860 --- /dev/null +++ b/libc/sysdeps/linux/common/bits/xopen_lim.h @@ -0,0 +1,144 @@ +/* Copyright (C) 1996, 1997, 1999, 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* + * Never include this file directly; use instead. + */ + +/* Additional definitions from X/Open Portability Guide, Issue 4, Version 2 + System Interfaces and Headers, 4.16 + + Please note only the values which are not greater than the minimum + stated in the standard document are listed. The `sysconf' functions + should be used to obtain the actual value. */ + +#ifndef _XOPEN_LIM_H +#define _XOPEN_LIM_H 1 + +#define __need_IOV_MAX +#include + +/* We do not provide fixed values for + + ARG_MAX Maximum length of argument to the `exec' function + including environment data. + + ATEXIT_MAX Maximum number of functions that may be registered + with `atexit'. + + CHILD_MAX Maximum number of simultaneous processes per real + user ID. + + OPEN_MAX Maximum number of files that one process can have open + at anyone time. + + PAGESIZE + PAGE_SIZE Size of bytes of a page. + + PASS_MAX Maximum number of significant bytes in a password. + + We only provide a fixed limit for + + IOV_MAX Maximum number of `iovec' structures that one process has + available for use with `readv' or writev'. + + if this is indeed fixed by the underlying system. +*/ + + +/* Maximum number of `iovec' structures that one process has available + for use with `readv' or writev'. */ +#define _XOPEN_IOV_MAX _POSIX_UIO_MAXIOV + + +/* Maximum value of `digit' in calls to the `printf' and `scanf' + functions. We have no limit, so return a reasonable value. */ +#define NL_ARGMAX _POSIX_ARG_MAX + +/* Maximum number of bytes in a `LANG' name. We have no limit. */ +#define NL_LANGMAX _POSIX2_LINE_MAX + +/* Maximum message number. We have no limit. */ +#define NL_MSGMAX INT_MAX + +/* Maximum number of bytes in N-to-1 collation mapping. We have no + limit. */ +#define NL_NMAX INT_MAX + +/* Maximum set number. We have no limit. */ +#define NL_SETMAX INT_MAX + +/* Maximum number of bytes in a message. We have no limit. */ +#define NL_TEXTMAX INT_MAX + +/* Default process priority. */ +#define NZERO 20 + + +/* Number of bits in a word of type `int'. */ +#ifdef INT_MAX +# if INT_MAX == 32767 +# define WORD_BIT 16 +# else +# if INT_MAX == 2147483647 +# define WORD_BIT 32 +# else +/* Safe assumption. */ +# define WORD_BIT 64 +# endif +# endif +#elif defined __INT_MAX__ +# if __INT_MAX__ == 32767 +# define WORD_BIT 16 +# else +# if __INT_MAX__ == 2147483647 +# define WORD_BIT 32 +# else +/* Safe assumption. */ +# define WORD_BIT 64 +# endif +# endif +#else +# define WORD_BIT 32 +#endif + +/* Number of bits in a word of type `long int'. */ +#ifdef LONG_MAX +# if LONG_MAX == 2147483647 +# define LONG_BIT 32 +# else +/* Safe assumption. */ +# define LONG_BIT 64 +# endif +#elif defined __LONG_MAX__ +# if __LONG_MAX__ == 2147483647 +# define LONG_BIT 32 +# else +/* Safe assumption. */ +# define LONG_BIT 64 +# endif +#else +# include +# if __WORDSIZE == 64 +# define LONG_BIT 64 +# else +# define LONG_BIT 32 +# endif +#endif + +#endif /* bits/xopen_lim.h */ -- cgit v1.2.3