/* Define POSIX options for GNU/Hurd.
- Copyright (C) 1998,2000,2001,2002,2006,2009 Free Software Foundation, Inc.
+ Copyright (C) 1998-2019 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
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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
#ifndef _UNISTD_H
#error "Never include this file directly; use <unistd.h> instead."
/* Processes have a saved set-user-ID and a saved set-group-ID. */
#define _POSIX_SAVED_IDS 1
+/* Priority scheduling is not supported. */
+#undef _POSIX_PRIORITY_SCHEDULING
+
/* Synchronizing file data is supported, but msync is missing. */
#undef _POSIX_SYNCHRONIZED_IO
/* Mapping of files to memory is supported. */
#define _POSIX_MAPPED_FILES 200809L
-/* Locking of all memory could be supported in future. */
-#define _POSIX_MEMLOCK 0
+/* Locking of all memory is supported. */
+#define _POSIX_MEMLOCK 200809L
/* Locking of ranges of memory is supported. */
#define _POSIX_MEMLOCK_RANGE 200809L
/* Elements of the `c_cc' member of `struct termios' structure
can be disabled by using the value _POSIX_VDISABLE. */
-#define _POSIX_VDISABLE ((unsigned char) -1)
+#define _POSIX_VDISABLE '\0'
/* Different Hurd filesystems might do these differently.
You must query the particular file with `pathconf' or `fpathconf'. */
-#undef _POSIX_CHOWN_RESTRICTED /* Only root can change owner of file? */
-#undef _POSIX_NO_TRUNC /* Overlong file names get error? */
+#define _POSIX_CHOWN_RESTRICTED 0 /* Only root can change owner of file? */
+#define _POSIX_NO_TRUNC 0 /* Overlong file names get error? */
#undef _POSIX_SYNC_IO /* File supports O_SYNC et al? */
+/* X/Open realtime support is not supported. */
+#undef _XOPEN_REALTIME
+
+/* X/Open thread realtime support is not supported. */
+#undef _XOPEN_REALTIME_THREADS
-/* We do not have the POSIX threads interface. */
-#define _POSIX_THREADS -1
+/* XPG4.2 shared memory is not supported. */
+#undef _XOPEN_SHM
+
+/* Tell we have POSIX threads. */
+#define _POSIX_THREADS 200809L
/* We have the reentrant functions described in POSIX. */
#define _POSIX_REENTRANT_FUNCTIONS 1
#define _POSIX_THREAD_SAFE_FUNCTIONS 200809L
-/* These are all things that won't be supported when _POSIX_THREADS is not. */
+/* We do not provide priority scheduling for threads. */
#define _POSIX_THREAD_PRIORITY_SCHEDULING -1
-#define _POSIX_THREAD_ATTR_STACKSIZE -1
-#define _POSIX_THREAD_ATTR_STACKADDR -1
-#define _POSIX_SEMAPHORES -1
+
+/* We support user-defined stack sizes. */
+#define _POSIX_THREAD_ATTR_STACKSIZE 200809L
+
+/* We support user-defined stacks. */
+#define _POSIX_THREAD_ATTR_STACKADDR 200809L
+
+/* We do not support priority inheritence. */
+#define _POSIX_THREAD_PRIO_INHERIT -1
+
+/* We do not support priority protection. */
+#define _POSIX_THREAD_PRIO_PROTECT -1
+
+#ifdef __USE_XOPEN2K8
+/* We do not support priority inheritence for robust mutexes. */
+# define _POSIX_THREAD_ROBUST_PRIO_INHERIT -1
+
+/* We do not support priority protection for robust mutexes. */
+# define _POSIX_THREAD_ROBUST_PRIO_PROTECT -1
+#endif
+
+/* We support POSIX.1b semaphores. */
+#define _POSIX_SEMAPHORES 200809L
/* Real-time signals are not yet supported. */
#define _POSIX_REALTIME_SIGNALS -1
/* Asynchronous I/O might supported with the existing ABI. */
#define _POSIX_ASYNCHRONOUS_IO 0
+#undef _POSIX_ASYNC_IO
/* Alternative name for Unix98. */
#define _LFS_ASYNCHRONOUS_IO _POSIX_ASYNCHRONOUS_IO
+/* Support for prioritization is not available. */
+#undef _POSIX_PRIORITIZED_IO
/* The LFS support in asynchronous I/O is also available. */
#define _LFS64_ASYNCHRONOUS_IO _POSIX_ASYNCHRONOUS_IO
/* GNU libc provides regular expression handling. */
#define _POSIX_REGEXP 1
-/* Reader/Writer locks are not available. */
-#define _POSIX_READER_WRITER_LOCKS -1
+/* Reader/Writer locks are available. */
+#define _POSIX_READER_WRITER_LOCKS 200809L
/* We have a POSIX shell. */
#define _POSIX_SHELL 1
-/* We cannot support the Timeouts option without _POSIX_THREADS. */
-#define _POSIX_TIMEOUTS -1
+/* We support the Timeouts option. */
+#define _POSIX_TIMEOUTS 200809L
+
+/* We support spinlocks. */
+#define _POSIX_SPIN_LOCKS 200809L
/* The `spawn' function family is supported. */
#define _POSIX_SPAWN 200809L
/* We do not have POSIX timers, but could in future without ABI change. */
#define _POSIX_TIMERS 0
-/* The barrier functions are not available. */
-#define _POSIX_BARRIERS -1
+/* The barrier functions are available. */
+#define _POSIX_BARRIERS 200809L
/* POSIX message queues could be available in future. */
#define _POSIX_MESSAGE_PASSING 0
/* Typed memory objects are not available. */
#define _POSIX_TYPED_MEMORY_OBJECTS -1
-/* No support for priority inheritance or protection so far. */
-#define _POSIX_THREAD_PRIO_INHERIT -1
-#define _POSIX_THREAD_PRIO_PROTECT -1
-
-
#endif /* bits/posix_opt.h */
projects / thirdparty / glibc.git / blobdiff