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- /* Copyright (C) 1991,92,93,96,98,2000,2001 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. */
- /*
- * 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. */
- #define _POSIX_CHILD_MAX 6
- /* Minimal number of timer expiration overruns. */
- #define _POSIX_DELAYTIMER_MAX 32
- /* 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
- /* 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 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 descriptors that a process may examine with `pselect' or
- `select'. */
- #define _POSIX_FD_SETSIZE _POSIX_OPEN_MAX
- /* Number of bytes in a filename. */
- #define _POSIX_NAME_MAX 14
- /* 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
- /* 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
- /* 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 number of characters in a tty name. */
- #define _POSIX_TTY_NAME_MAX 9
- /* Number of timer for a process. */
- #define _POSIX_TIMER_MAX 32
- /* Maximum length of login name. */
- #define _POSIX_LOGIN_NAME_MAX 9
- /* Maximum clock resolution in nanoseconds. */
- #define _POSIX_CLOCKRES_MIN 20000000
- /* Get the implementation-specific values for the above. */
- #include <bits/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 /* bits/posix1_lim.h */
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