/* Copyright (C) 1991, 1992 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 */ #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 /* Number of bytes in `tzname'. */ #define _POSIX_TZNAME_MAX 3 /* Get the implementation-specific values for the above. */ #include /* don't even think about changing it without checking tzfile.h * in source code dir ./time first. */ #undef TZNAME_MAX #define TZNAME_MAX 50 #ifndef SSIZE_MAX #define SSIZE_MAX INT_MAX #endif #ifndef STREAM_MAX #define STREAM_MAX OPEN_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 */