diff options
Diffstat (limited to 'libc/sysdeps/linux/common/bits/posix_opt.h')
| -rw-r--r-- | libc/sysdeps/linux/common/bits/posix_opt.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/bits/posix_opt.h b/libc/sysdeps/linux/common/bits/posix_opt.h new file mode 100644 index 000000000..4f7d78eb9 --- /dev/null +++ b/libc/sysdeps/linux/common/bits/posix_opt.h @@ -0,0 +1,192 @@ +/* Define POSIX options for Linux. + Copyright (C) 1996,1997,1998,1999,2000,2001 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 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. */ +#ifdef __UCLIBC_HAS_MMU__ +# define _POSIX_MEMLOCK 1 +#else +# undef _POSIX_MEMLOCK +#endif + +/* Locking of ranges of memory is supported. */ +#ifdef __UCLIBC_HAS_MMU__ +# define _POSIX_MEMLOCK_RANGE 1 +#else +# define _POSIX_MEMLOCK_RANGE +#endif + +/* Setting of memory protections is supported. */ +#ifdef __UCLIBC_HAS_MMU__ +# define _POSIX_MEMORY_PROTECTION 1 +#else +# undef _POSIX_MEMORY_PROTECTION +#endif + +/* 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 + +/* X/Open realtime support is available. */ +#define _XOPEN_REALTIME 1 + +/* X/Open realtime thread support is available. */ +#ifdef __UCLIBC_HAS_THREADS__ +# define _XOPEN_REALTIME_THREADS 1 +#else +# undef _XOPEN_REALTIME_THREADS +#endif + +/* XPG4.2 shared memory is supported. */ +#define _XOPEN_SHM 1 + +/* Tell we have POSIX threads. */ +#ifdef __UCLIBC_HAS_THREADS__ +# define _POSIX_THREADS 1 +#else +# undef _POSIX_THREADS +#endif + +/* We have the reentrant functions described in POSIX. */ +#ifdef __UCLIBC_HAS_THREADS__ +# define _POSIX_REENTRANT_FUNCTIONS 1 +# define _POSIX_THREAD_SAFE_FUNCTIONS 1 +#else +# undef _POSIX_REENTRANT_FUNCTIONS +# undef _POSIX_THREAD_SAFE_FUNCTIONS +#endif + +/* We provide priority scheduling for threads. */ +#define _POSIX_THREAD_PRIORITY_SCHEDULING 1 + +/* We support user-defined stack sizes. */ +#define _POSIX_THREAD_ATTR_STACKSIZE 1 + +/* We support user-defined stacks. */ +#define _POSIX_THREAD_ATTR_STACKADDR 1 + +/* We support POSIX.1b semaphores, but only the non-shared form for now. */ +#ifdef __UCLIBC_HAS_THREADS__ +# define _POSIX_SEMAPHORES 1 +#else +# undef _POSIX_SEMAPHORES +#endif + +/* Real-time signals are supported. */ +#define _POSIX_REALTIME_SIGNALS 1 + +/* We support asynchronous I/O. */ +#define _POSIX_ASYNCHRONOUS_IO 1 +#define _POSIX_ASYNC_IO 1 +/* Alternative name for Unix98. */ +#define _LFS_ASYNCHRONOUS_IO 1 + +/* The LFS support in asynchronous I/O is also available. */ +#ifdef __UCLIBC_HAVE_LFS__ +# define _LFS64_ASYNCHRONOUS_IO 1 +#else +# undef _LFS64_ASYNCHRONOUS_IO +#endif + +/* The rest of the LFS is also available. */ +#ifdef __UCLIBC_HAVE_LFS__ +# define _LFS_LARGEFILE 1 +# define _LFS64_LARGEFILE 1 +# define _LFS64_STDIO 1 +#else +# undef _LFS_LARGEFILE +# undef _LFS64_LARGEFILE +# undef _LFS64_STDIO +#endif + +/* POSIX shared memory objects are implemented. */ +#define _POSIX_SHARED_MEMORY_OBJECTS 1 + +/* GNU libc provides regular expression handling. */ +#ifdef __UCLIBC_HAS_REGEX__ +# define _POSIX_REGEXP 1 +#else +# undef _POSIX_REGEXP +#endif + +#if defined(__i386__) +/* CPU-time clocks supported. */ +#define _POSIX_CPUTIME 200912L + +/* We support the clock also in threads. */ +#define _POSIX_THREAD_CPUTIME 200912L +#endif + +/* Reader/Writer locks are available. */ +#define _POSIX_READER_WRITER_LOCKS 200912L + +/* We have a POSIX shell. */ +#define _POSIX_SHELL 1 + +/* We support the Timeouts option. */ +#define _POSIX_TIMEOUTS 200912L + +/* We support spinlocks. */ +#define _POSIX_SPIN_LOCKS 200912L + +/* The `spawn' function family is supported. */ +#define _POSIX_SPAWN 200912L + +/* We have POSIX timers. */ +#define _POSIX_TIMERS 1 + +/* The barrier functions are available. */ +#define _POSIX_BARRIERS 200912L + +/* POSIX message queues are not yet supported. */ +#undef _POSIX_MESSAGE_PASSING + +#endif /* posix_opt.h */ |