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Diffstat (limited to 'xopen_lim.h')
| -rw-r--r-- | xopen_lim.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/xopen_lim.h b/xopen_lim.h new file mode 100644 index 0000000000..04a11ba320 --- /dev/null +++ b/xopen_lim.h @@ -0,0 +1,90 @@ +/* Copyright (C) 1996 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* Additional definitions from X/Open Portability Guide, Issue 4, Version 2 + System Interfaces and Headers, 4.16 <limits.h> + + 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 + +/* 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. +*/ + + +/* Maximum number of `iovec' structures that one process has available + for use with `readv' or writev'. */ +#define IOV_MAX _XOPEN_IOV_MAX + +/* The number of streams that one process can have open at one time. */ +#define STREAM_MAX _POSIX_STREAM_MAX + +/* Maximum number of bytes supported for the name of a time zone. */ +#define TZNAME_MAX _POSIX_TZNAME_MAX + + +/* 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 + +#endif /* xopen_lim.h */ |