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Clean up fpathconf(3)/pathconf(3).

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fpathconf(3) and pathconf(3) can share code. There's no such
header file as <pathconf.h>. glibc/POSIX and BSD disagree about where
the _POSIX_* definitions should go.

Change-Id: I4a67f1595c9f5fbb26700a131178eedebd6bf712
This commit is contained in:
Elliott Hughes
2014-09-22 14:49:07 -07:00
parent 9f423c554a
commit a186b2e0ca
9 changed files with 256 additions and 401 deletions
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73
libc/include/machine/posix_limits.h Normal file
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/*
* Copyright (C) 2014 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _POSIX_LIMITS_H_
#define _POSIX_LIMITS_H_
/* TODO: complete and check these. */
#define _POSIX2_LINE_MAX 2048
#define _POSIX2_RE_DUP_MAX _POSIX_RE_DUP_MAX
#define _POSIX_ARG_MAX 4096
#define _POSIX_CHILD_MAX 25
#define _POSIX_CHOWN_RESTRICTED 1 /* yes, chown requires appropriate privileges */
#define _POSIX_FSYNC 1 /* fdatasync() supported */
#define _POSIX_JOB_CONTROL 1 /* job control is a Linux feature */
#define _POSIX_LINK_MAX 8
#define _POSIX_LOGIN_NAME_MAX 9 /* includes trailing NUL */
#define _POSIX_MAPPED_FILES 1 /* mmap-ed files supported */
#define _POSIX_MAX_CANON 255
#define _POSIX_MAX_INPUT 255
#define _POSIX_MONOTONIC_CLOCK 0 /* the monotonic clock may be available; ask sysconf */
#define _POSIX_NAME_MAX 14
#define _POSIX_NGROUPS_MAX 0
#define _POSIX_NO_TRUNC 1 /* very long pathnames generate an error */
#define _POSIX_OPEN_MAX 16
#define _POSIX_PATH_MAX 256
#define _POSIX_PIPE_BUF 512
#define _POSIX_PRIORITY_SCHEDULING 1 /* priority scheduling is a Linux feature */
#define _POSIX_REALTIME_SIGNALS -1 /* for now, this is not supported */
#define _POSIX_RE_DUP_MAX 255
#define _POSIX_SAVED_IDS 1 /* saved user ids is a Linux feature */
#define _POSIX_SEMAPHORES 200809L
#define _POSIX_SEM_VALUE_MAX 32767
#define _POSIX_SSIZE_MAX 32767
#define _POSIX_STREAM_MAX 8
#define _POSIX_SYMLINK_MAX 255
#define _POSIX_SYMLOOP_MAX 8
#define _POSIX_SYNCHRONIZED_IO 1 /* synchronized i/o supported */
#define _POSIX_THREAD_PRIO_INHERIT 200112L /* linux feature */
#define _POSIX_THREAD_PRIO_PROTECT 200112L /* linux feature */
#define _POSIX_THREADS 1 /* we support threads */
#define _POSIX_THREAD_STACKADDR 1 /* we support thread stack address */
#define _POSIX_THREAD_STACKSIZE 1 /* we support thread stack size */
#define _POSIX_TIMERS 1 /* Posix timers are supported */
#define _POSIX_TTY_NAME_MAX 9 /* includes trailing NUL */
#define _POSIX_TZNAME_MAX 3
#define _POSIX_VDISABLE '\0'
#endif /* _POSIX_LIMITS_H_ */