| /* Copyright (C) 1991-1993,96,98,2000-2003,2004 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. */ |
| |
| /* |
| * POSIX Standard: 2.9.2 Minimum Values Added to <limits.h> |
| * |
| * Never include this file directly; use <limits.h> instead. |
| */ |
| |
| #ifndef _BITS_POSIX1_LIM_H |
| #define _BITS_POSIX1_LIM_H 1 |
| |
| |
| /* These are the standard-mandated minimum values. */ |
| |
| /* Minimum number of operations in one list I/O call. */ |
| #define _POSIX_AIO_LISTIO_MAX 2 |
| |
| /* Minimal number of outstanding asynchronous I/O operations. */ |
| #define _POSIX_AIO_MAX 1 |
| |
| /* Maximum length of arguments to `execve', including environment. */ |
| #define _POSIX_ARG_MAX 4096 |
| |
| /* Maximum simultaneous processes per real user ID. */ |
| #ifdef __USE_XOPEN2K |
| # define _POSIX_CHILD_MAX 25 |
| #else |
| # define _POSIX_CHILD_MAX 6 |
| #endif |
| |
| /* Minimal number of timer expiration overruns. */ |
| #define _POSIX_DELAYTIMER_MAX 32 |
| |
| /* Maximum length of a host name (not including the terminating null) |
| as returned from the GETHOSTNAME function. */ |
| #define _POSIX_HOST_NAME_MAX 255 |
| |
| /* Maximum link count of a file. */ |
| #define _POSIX_LINK_MAX 8 |
| |
| /* Maximum length of login name. */ |
| #define _POSIX_LOGIN_NAME_MAX 9 |
| |
| /* 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 |
| |
| /* Maximum number of message queues open for a process. */ |
| #define _POSIX_MQ_OPEN_MAX 8 |
| |
| /* Maximum number of supported message priorities. */ |
| #define _POSIX_MQ_PRIO_MAX 32 |
| |
| /* Number of bytes in a filename. */ |
| #define _POSIX_NAME_MAX 14 |
| |
| /* Number of simultaneous supplementary group IDs per process. */ |
| #ifdef __USE_XOPEN2K |
| # define _POSIX_NGROUPS_MAX 8 |
| #else |
| # define _POSIX_NGROUPS_MAX 0 |
| #endif |
| |
| /* Number of files one process can have open at once. */ |
| #ifdef __USE_XOPEN2K |
| # define _POSIX_OPEN_MAX 20 |
| #else |
| # define _POSIX_OPEN_MAX 16 |
| #endif |
| |
| /* Number of descriptors that a process may examine with `pselect' or |
| `select'. */ |
| #define _POSIX_FD_SETSIZE _POSIX_OPEN_MAX |
| |
| /* Number of bytes in a pathname. */ |
| #define _POSIX_PATH_MAX 256 |
| |
| /* Number of bytes than can be written atomically to a pipe. */ |
| #define _POSIX_PIPE_BUF 512 |
| |
| /* The number of repeated occurrences of a BRE permitted by the |
| REGEXEC and REGCOMP functions when using the interval notation. */ |
| #define _POSIX_RE_DUP_MAX 255 |
| |
| /* Minimal number of realtime signals reserved for the application. */ |
| #define _POSIX_RTSIG_MAX 8 |
| |
| /* Number of semaphores a process can have. */ |
| #define _POSIX_SEM_NSEMS_MAX 256 |
| |
| /* Maximal value of a semaphore. */ |
| #define _POSIX_SEM_VALUE_MAX 32767 |
| |
| /* Number of pending realtime signals. */ |
| #define _POSIX_SIGQUEUE_MAX 32 |
| |
| /* 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 |
| |
| /* The number of bytes in a symbolic link. */ |
| #define _POSIX_SYMLINK_MAX 255 |
| |
| /* The number of symbolic links that can be traversed in the |
| resolution of a pathname in the absence of a loop. */ |
| #define _POSIX_SYMLOOP_MAX 8 |
| |
| /* Number of timer for a process. */ |
| #define _POSIX_TIMER_MAX 32 |
| |
| /* Maximum number of characters in a tty name. */ |
| #define _POSIX_TTY_NAME_MAX 9 |
| |
| /* Maximum length of a timezone name (element of `tzname'). */ |
| #define _POSIX_TZNAME_MAX 6 |
| |
| /* Maximum number of connections that can be queued on a socket. */ |
| #define _POSIX_QLIMIT 1 |
| |
| /* Maximum number of bytes that can be buffered on a socket for send |
| or receive. */ |
| #define _POSIX_HIWAT _POSIX_PIPE_BUF |
| |
| /* Maximum number of elements in an `iovec' array. */ |
| #define _POSIX_UIO_MAXIOV 16 |
| |
| /* Maximum clock resolution in nanoseconds. */ |
| #define _POSIX_CLOCKRES_MIN 20000000 |
| |
| |
| /* Get the implementation-specific values for the above. */ |
| #include <bits/local_lim.h> |
| #include <bits/uClibc_local_lim.h> |
| |
| |
| #ifndef SSIZE_MAX |
| # define SSIZE_MAX LONG_MAX |
| #endif |
| |
| |
| /* This value is a guaranteed minimum maximum. |
| The current maximum can be got from `sysconf'. */ |
| |
| #ifndef NGROUPS_MAX |
| # define NGROUPS_MAX 8 |
| #endif |
| |
| #endif /* bits/posix1_lim.h */ |