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