glibc/sysdeps/unix/sysv/linux/posix_opt.h
1996-11-07 01:35:04 +00:00

70 lines
2.1 KiB
C

/* Define POSIX options for Linux.
Copyright (C) 1996 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _POSIX_OPT_H
#define _POSIX_OPT_H 1
/* Job control is supported. */
#define _POSIX_JOB_CONTROL 1
/* Processes have a saved set-user-ID and a saved set-group-ID. */
#define _POSIX_SAVED_IDS 1
/* Priority scheduling is supported. */
#define _POSIX_PRIORITY_SCHEDULING 1
/* Synchronizing file data is supported. */
#define _POSIX_SYNCHRONIZED_IO 1
/* The fsync function is present. */
#define _POSIX_FSYNC 1
/* Mapping of files to memory is supported. */
#define _POSIX_MAPPED_FILES 1
/* Locking of all memory is supported. */
#define _POSIX_MEMLOCK 1
/* Locking of ranges of memory is supported. */
#define _POSIX_MEMLOCK_RANGE 1
/* Setting of memory protections is supported. */
#define _POSIX_MEMORY_PROTECTION 1
/* Implementation supports `poll' function. */
#define _POSIX_POLL 1
/* Implementation supports `select' and `pselect' functions. */
#define _POSIX_SELECT 1
/* Only root can change owner of file. */
#define _POSIX_CHOWN_RESTRICTED 1
/* `c_cc' member of 'struct termios' structure can be disabled by
using the value _POSIX_VDISABLE. */
#define _POSIX_VDISABLE '\0'
/* Filenames are not silently truncated. */
#define _POSIX_NO_TRUNC 1
/* XPG4.2 shared memory is supported. */
#define _XOPEN_SHM 1
#endif /* posix_opt.h */