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Diffstat (limited to 'REORG.TODO/posix/bits/posix1_lim.h')
| -rw-r--r-- | REORG.TODO/posix/bits/posix1_lim.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/REORG.TODO/posix/bits/posix1_lim.h b/REORG.TODO/posix/bits/posix1_lim.h new file mode 100644 index 0000000000..28f8a6c404 --- /dev/null +++ b/REORG.TODO/posix/bits/posix1_lim.h @@ -0,0 +1,175 @@ +/* Copyright (C) 1991-2017 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 + + +/* 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 +# 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 */ |