--- /dev/null
+/* Copyright (C) 1991-2018 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, see
+ <http://www.gnu.org/licenses/>. */
+
+/*
+ * 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
+
+#include <bits/wordsize.h>
+
+/* 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
+
+#if !defined __USE_XOPEN2K || defined __USE_GNU
+/* Number of descriptors that a process may examine with `pselect' or
+ `select'. */
+# define _POSIX_FD_SETSIZE _POSIX_OPEN_MAX
+#endif
+
+/* 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'). */
+#ifdef __USE_XOPEN2K
+# define _POSIX_TZNAME_MAX 6
+#else
+# define _POSIX_TZNAME_MAX 3
+#endif
+
+#if !defined __USE_XOPEN2K || defined __USE_GNU
+/* 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
+#endif
+
+/* 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
+/* ssize_t is not formally required to be the signed type
+ corresponding to size_t, but it is for all configurations supported
+ by glibc. */
+# if __WORDSIZE == 64 || __WORDSIZE32_SIZE_ULONG
+# define SSIZE_MAX LONG_MAX
+# else
+# define SSIZE_MAX INT_MAX
+# endif
+#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 */
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