posix_opt.h: update to glibc's NPTL version

add uClibc_posix_opt.h to handle uClibc specific options/features

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

1 files changed, 133 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/common/bits/uClibc_posix_opt.h b/libc/sysdeps/linux/common/bits/uClibc_posix_opt.h
new file mode 100644
index 000000000..1ac4521eb
--- /dev/null
+++ b/libc/sysdeps/linux/common/bits/uClibc_posix_opt.h
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+/*
+ * Never include this file directly; use <unistd.h> instead.
+ */
+
+#ifndef	_BITS_UCLIBC_POSIX_OPT_H
+#define	_BITS_UCLIBC_POSIX_OPT_H	1
+
+/* This file works correctly only if posix_opt.h is the NPTL version */
+#ifndef _POSIX_THREADS
+# error posix_opt.h was incorrectly updated, use the NPTL version from glibc
+#endif
+
+/* change first options based on what glibc does */
+
+#ifndef __UCLIBC_HAS_THREADS_NATIVE__
+# undef _POSIX_THREAD_PROCESS_SHARED
+# define _POSIX_THREAD_PROCESS_SHARED	-1
+# undef _POSIX_CLOCK_SELECTION
+# define _POSIX_CLOCK_SELECTION		-1
+# undef _POSIX_THREAD_PRIO_INHERIT
+# define _POSIX_THREAD_PRIO_INHERIT	-1
+# undef _POSIX_THREAD_PRIO_PROTECT
+# define _POSIX_THREAD_PRIO_PROTECT	-1
+#endif
+
+/* this has to be adapted to uClibc, not all are thread related */
+#ifndef __UCLIBC_HAS_THREADS__
+# undef _XOPEN_REALTIME_THREADS
+# undef _POSIX_THREADS
+# undef _POSIX_REENTRANT_FUNCTIONS
+# undef _POSIX_THREAD_SAFE_FUNCTIONS
+# undef _POSIX_THREAD_PRIORITY_SCHEDULING
+# undef _POSIX_THREAD_ATTR_STACKSIZE
+# undef _POSIX_THREAD_ATTR_STACKADDR
+# undef _POSIX_THREAD_PRIO_INHERIT
+# undef _POSIX_THREAD_PRIO_PROTECT
+# undef _POSIX_SEMAPHORES
+# undef _POSIX_ASYNCHRONOUS_IO
+# undef _POSIX_ASYNC_IO
+# undef _LFS_ASYNCHRONOUS_IO
+# undef _POSIX_PRIORITIZED_IO
+# undef _LFS64_ASYNCHRONOUS_IO
+# undef _POSIX_CPUTIME
+# undef _POSIX_THREAD_CPUTIME
+# undef _POSIX_READER_WRITER_LOCKS
+# undef _POSIX_TIMEOUTS
+# undef _POSIX_SPIN_LOCKS
+# undef _POSIX_BARRIERS
+# undef _POSIX_MESSAGE_PASSING
+# undef _POSIX_THREAD_PROCESS_SHARED
+# undef _POSIX_CLOCK_SELECTION
+# undef _POSIX_ADVISORY_INFO
+/*# undef _POSIX_RAW_SOCKETS*/
+/*# undef _POSIX2_CHAR_TERM*/
+# undef _POSIX_SPORADIC_SERVER
+# undef _POSIX_THREAD_SPORADIC_SERVER
+/*# undef _POSIX_TRACE
+# undef _POSIX_TRACE_EVENT_FILTER
+# undef _POSIX_TRACE_INHERIT
+# undef _POSIX_TRACE_LOG
+# undef _POSIX_TYPED_MEMORY_OBJECTS*/
+#endif
+
+/* were in earlier version, used by sysconf */
+#define	_POSIX_POLL	1
+#define	_POSIX_SELECT	1
+
+/* disable independently unsupported features */
+#undef _POSIX_TRACE
+#undef _POSIX_TRACE_EVENT_FILTER
+#undef _POSIX_TRACE_INHERIT
+#undef _POSIX_TRACE_LOG
+#undef _POSIX_TYPED_MEMORY_OBJECTS
+
+#if 0 /* does uClibc support these? */
+# undef _POSIX_ASYNCHRONOUS_IO
+# undef _POSIX_ASYNC_IO
+# undef _LFS_ASYNCHRONOUS_IO
+# undef _POSIX_PRIORITIZED_IO
+# undef _LFS64_ASYNCHRONOUS_IO
+# undef _POSIX_MESSAGE_PASSING
+#endif
+
+/* change options based on uClibc config options */
+
+#if 0 /*ndef __UCLIBC_HAS_POSIX_TIMERS__*/
+# undef _POSIX_TIMERS
+# undef _POSIX_THREAD_CPUTIME
+#endif
+
+#if 0 /*ndef __UCLIBC_HAS_POSIX_BARRIERS__*/
+# undef _POSIX_BARRIERS
+#endif
+
+#if 0 /*ndef __UCLIBC_HAS_POSIX_SPINLOCKS__*/
+# undef _POSIX_SPIN_LOCKS
+#endif
+
+#ifndef __ARCH_USE_MMU__
+# undef _POSIX_MEMLOCK
+# undef _POSIX_MEMLOCK_RANGE
+# undef _POSIX_MEMORY_PROTECTION
+#endif
+
+#ifndef __UCLIBC_HAS_LFS__
+# undef _LFS64_ASYNCHRONOUS_IO
+# undef _LFS_LARGEFILE
+# undef _LFS64_LARGEFILE
+# undef _LFS64_STDIO
+#endif
+
+#ifndef __UCLIBC_HAS_REALTIME__
+# undef _POSIX_SEMAPHORES
+#endif
+
+#ifndef __UCLIBC_HAS_REGEX__
+# undef _POSIX_REGEXP
+#endif
+
+#ifndef __UCLIBC_HAS_IPV6__
+# undef _POSIX_IPV6
+#endif
+
+#ifndef __UCLIBC_HAS_SOCKET__
+# undef _POSIX_RAW_SOCKETS
+#endif
+
+#endif /* bits/uClibc_posix_opt.h */