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Diffstat (limited to 'posix/posix1_lim.h')
| -rw-r--r-- | posix/posix1_lim.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/posix/posix1_lim.h b/posix/posix1_lim.h new file mode 100644 index 0000000000..acbfa64481 --- /dev/null +++ b/posix/posix1_lim.h @@ -0,0 +1,87 @@ +/* Copyright (C) 1991, 1992, 1993 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., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +/* + * POSIX Standard: 2.9.2 Minimum Values Added to <limits.h> + */ + +#ifndef _POSIX1_LIMITS_H + +#define _POSIX1_LIMITS_H 1 + + +/* These are the standard-mandated minimum values. */ + +/* Maximum length of arguments to `execve', including environment. */ +#define _POSIX_ARG_MAX 4096 + +/* Maximum simultaneous processes per real user ID. */ +#define _POSIX_CHILD_MAX 6 + +/* Maximum link count of a file. */ +#define _POSIX_LINK_MAX 8 + +/* Number of bytes in a terminal canonical input queue. */ +#define _POSIX_MAX_CANON 255 + +/* Number of bytes for which space will be + available in a terminal input queue. */ +#define _POSIX_MAX_INPUT 255 + +/* Number of simultaneous supplementary group IDs per process. */ +#define _POSIX_NGROUPS_MAX 0 + +/* Number of files one process can have open at once. */ +#define _POSIX_OPEN_MAX 16 + +/* Number of bytes in a filename. */ +#define _POSIX_NAME_MAX 14 + +/* Number of bytes in a pathname. */ +#define _POSIX_PATH_MAX 255 + +/* Number of bytes than can be written atomically to a pipe. */ +#define _POSIX_PIPE_BUF 512 + +/* Largest value of a `ssize_t'. */ +#define _POSIX_SSIZE_MAX 32767 + +/* Number of streams a process can have open at once. */ +#define _POSIX_STREAM_MAX 8 + +/* Maximum length of a timezone name (element of `tzname'). */ +#define _POSIX_TZNAME_MAX 3 + + +/* Get the implementation-specific values for the above. */ +#include <local_lim.h> + + +#ifndef SSIZE_MAX +#define SSIZE_MAX INT_MAX +#endif + + +/* This value is a guaranteed minimum maximum. + The current maximum can be got from `sysconf'. */ + +#ifndef NGROUPS_MAX +#define NGROUPS_MAX _POSIX_NGROUPS_MAX +#endif + +#endif /* posix1_limits.h */ |