sync with upstream via psm

22 files changed, 567 insertions, 293 deletions

diff --git a/include/math.h b/include/math.h
index 8c11b5a76..c50b2e7b0 100644
--- a/include/math.h
+++ b/include/math.h
@@ -1,5 +1,6 @@
 /* Declarations for math functions.
-   Copyright (C) 1991,92,93,95,96,97,98,99,2001 Free Software Foundation, Inc.
+   Copyright (C) 1991-1993, 1995-1999, 2001, 2002, 2004, 2006
+   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
@@ -31,15 +32,20 @@ __BEGIN_DECLS
 /* Get machine-dependent HUGE_VAL value (returned on overflow).
    On all IEEE754 machines, this is +Infinity.  */
 #include <bits/huge_val.h>
+#ifdef __USE_ISOC99
+# include <bits/huge_valf.h>
+# include <bits/huge_vall.h>
+
+/* Get machine-dependent INFINITY value.  */
+# include <bits/inf.h>
 
-#ifdef	 __USE_ISOC99
 /* Get machine-dependent NAN value (returned for some domain errors).  */
 # include <bits/nan.h>
-#endif
+#endif /* __USE_ISOC99 */
+
 /* Get general and ISO C99 specific information.  */
 #include <bits/mathdef.h>
 
-
 /* The file <bits/mathcalls.h> contains the prototypes for all the
    actual math functions.  These macros are used for those prototypes,
    so we can easily declare each function as both `name' and `__name',
@@ -60,8 +66,12 @@ __BEGIN_DECLS
 
 #define _Mdouble_ 		double
 #define __MATH_PRECNAME(name,r)	__CONCAT(name,r)
+# define _Mdouble_BEGIN_NAMESPACE __BEGIN_NAMESPACE_STD
+# define _Mdouble_END_NAMESPACE   __END_NAMESPACE_STD
 #include <bits/mathcalls.h>
 #undef	_Mdouble_
+#undef _Mdouble_BEGIN_NAMESPACE
+#undef _Mdouble_END_NAMESPACE
 #undef	__MATH_PRECNAME
 
 #if defined __USE_MISC || defined __USE_ISOC99
@@ -79,14 +89,44 @@ __BEGIN_DECLS
 # else
 #  define __MATH_PRECNAME(name,r) name/**/f/**/r
 # endif
+# define _Mdouble_BEGIN_NAMESPACE __BEGIN_NAMESPACE_C99
+# define _Mdouble_END_NAMESPACE   __END_NAMESPACE_C99
 # include <bits/mathcalls.h>
 # undef	_Mdouble_
+# undef _Mdouble_BEGIN_NAMESPACE
+# undef _Mdouble_END_NAMESPACE
 # undef	__MATH_PRECNAME
 
-# if (__STDC__ - 0 || __GNUC__ - 0) && !defined __NO_LONG_DOUBLE_MATH
+# if (__STDC__ - 0 || __GNUC__ - 0) \
+     && (!defined __NO_LONG_DOUBLE_MATH || defined __LDBL_COMPAT)
+#  ifdef __LDBL_COMPAT
+
+#   ifdef __USE_ISOC99 
+extern float __nldbl_nexttowardf (float __x, long double __y)
+				  __THROW __attribute__ ((__const__));
+#    ifdef __REDIRECT_NTH
+extern float __REDIRECT_NTH (nexttowardf, (float __x, long double __y),
+			     __nldbl_nexttowardf)
+     __attribute__ ((__const__));
+extern double __REDIRECT_NTH (nexttoward, (double __x, long double __y),
+			      nextafter) __attribute__ ((__const__));
+extern long double __REDIRECT_NTH (nexttowardl,
+				   (long double __x, long double __y),
+				   nextafter) __attribute__ ((__const__));
+#    endif
+#   endif
+
 /* Include the file of declarations again, this time using `long double'
    instead of `double' and appending l to each function name.  */
 
+#   undef __MATHDECL_1
+#   define __MATHDECL_2(type, function,suffix, args, alias) \
+  extern type __REDIRECT_NTH(__MATH_PRECNAME(function,suffix), \
+			     args, alias)
+#   define __MATHDECL_1(type, function,suffix, args) \
+  __MATHDECL_2(type, function,suffix, args, __CONCAT(function,suffix))
+#  endif
+
 #  ifndef _Mlong_double_
 #   define _Mlong_double_	long double
 #  endif
@@ -96,8 +136,12 @@ __BEGIN_DECLS
 #  else
 #   define __MATH_PRECNAME(name,r) name/**/l/**/r
 #  endif
+#  define _Mdouble_BEGIN_NAMESPACE __BEGIN_NAMESPACE_C99
+#  define _Mdouble_END_NAMESPACE   __END_NAMESPACE_C99
 #  include <bits/mathcalls.h>
 #  undef _Mdouble_
+# undef _Mdouble_BEGIN_NAMESPACE
+# undef _Mdouble_END_NAMESPACE
 #  undef __MATH_PRECNAME
 
 # endif /* __STDC__ || __GNUC__ */
@@ -345,18 +389,28 @@ extern int matherr (struct exception *__exc);
 # define __NO_MATH_INLINES	1
 #endif
 
+#if defined __USE_ISOC99 && __GNUC_PREREQ(2,97)
+/* ISO C99 defines some macros to compare number while taking care for
+   unordered numbers.  Many FPUs provide special instructions to support
+   these operations.  Generic support in GCC for these as builtins went
+   in before 3.0.0, but not all cpus added their patterns.  We define
+   versions that use the builtins here, and <bits/mathinline.h> will
+   undef/redefine as appropriate for the specific GCC version in use.  */
+# define isgreater(x, y)	__builtin_isgreater(x, y)
+# define isgreaterequal(x, y)	__builtin_isgreaterequal(x, y)
+# define isless(x, y)		__builtin_isless(x, y)
+# define islessequal(x, y)	__builtin_islessequal(x, y)
+# define islessgreater(x, y)	__builtin_islessgreater(x, y)
+# define isunordered(u, v)	__builtin_isunordered(u, v)
+#endif
+
 /* Get machine-dependent inline versions (if there are any).  */
 #ifdef __USE_EXTERN_INLINES
 # include <bits/mathinline.h>
 #endif
 
-
 #ifdef __USE_ISOC99
-/* ISO C99 defines some macros to compare number while taking care for
-   unordered numbers.  Many FPUs provide special instructions to support
-   these operations and these tests are defined in <bits/mathinline.h>,
-   we define the generic macros at this late point and only if they are
-   not defined yet.  */
+/* If we've still got undefined comparison macros, provide defaults.  */
 
 /* Return nonzero value if X is greater than Y.  */
 # ifndef isgreater
diff --git a/libc/sysdeps/linux/common/bits/confname.h b/libc/sysdeps/linux/common/bits/confname.h
index a66f85aac..ab7fdee9d 100644
--- a/libc/sysdeps/linux/common/bits/confname.h
+++ b/libc/sysdeps/linux/common/bits/confname.h
@@ -63,8 +63,10 @@ enum
 #define _PC_REC_XFER_ALIGN		_PC_REC_XFER_ALIGN
     _PC_ALLOC_SIZE_MIN,
 #define _PC_ALLOC_SIZE_MIN		_PC_ALLOC_SIZE_MIN
-    _PC_SYMLINK_MAX
+    _PC_SYMLINK_MAX,
 #define _PC_SYMLINK_MAX			_PC_SYMLINK_MAX
+    _PC_2_SYMLINKS
+#define _PC_2_SYMLINKS			_PC_2_SYMLINKS
   };
 
 /* Values for the argument to `sysconf'.  */
@@ -459,8 +461,45 @@ enum
 #define _SC_TRACE_EVENT_FILTER		_SC_TRACE_EVENT_FILTER
     _SC_TRACE_INHERIT,
 #define _SC_TRACE_INHERIT		_SC_TRACE_INHERIT
-    _SC_TRACE_LOG
+    _SC_TRACE_LOG,
 #define _SC_TRACE_LOG			_SC_TRACE_LOG
+
+    _SC_LEVEL1_ICACHE_SIZE,
+#define _SC_LEVEL1_ICACHE_SIZE		_SC_LEVEL1_ICACHE_SIZE
+    _SC_LEVEL1_ICACHE_ASSOC,
+#define _SC_LEVEL1_ICACHE_ASSOC		_SC_LEVEL1_ICACHE_ASSOC
+    _SC_LEVEL1_ICACHE_LINESIZE,
+#define _SC_LEVEL1_ICACHE_LINESIZE	_SC_LEVEL1_ICACHE_LINESIZE
+    _SC_LEVEL1_DCACHE_SIZE,
+#define _SC_LEVEL1_DCACHE_SIZE		_SC_LEVEL1_DCACHE_SIZE
+    _SC_LEVEL1_DCACHE_ASSOC,
+#define _SC_LEVEL1_DCACHE_ASSOC		_SC_LEVEL1_DCACHE_ASSOC
+    _SC_LEVEL1_DCACHE_LINESIZE,
+#define _SC_LEVEL1_DCACHE_LINESIZE	_SC_LEVEL1_DCACHE_LINESIZE
+    _SC_LEVEL2_CACHE_SIZE,
+#define _SC_LEVEL2_CACHE_SIZE		_SC_LEVEL2_CACHE_SIZE
+    _SC_LEVEL2_CACHE_ASSOC,
+#define _SC_LEVEL2_CACHE_ASSOC		_SC_LEVEL2_CACHE_ASSOC
+    _SC_LEVEL2_CACHE_LINESIZE,
+#define _SC_LEVEL2_CACHE_LINESIZE	_SC_LEVEL2_CACHE_LINESIZE
+    _SC_LEVEL3_CACHE_SIZE,
+#define _SC_LEVEL3_CACHE_SIZE		_SC_LEVEL3_CACHE_SIZE
+    _SC_LEVEL3_CACHE_ASSOC,
+#define _SC_LEVEL3_CACHE_ASSOC		_SC_LEVEL3_CACHE_ASSOC
+    _SC_LEVEL3_CACHE_LINESIZE,
+#define _SC_LEVEL3_CACHE_LINESIZE	_SC_LEVEL3_CACHE_LINESIZE
+    _SC_LEVEL4_CACHE_SIZE,
+#define _SC_LEVEL4_CACHE_SIZE		_SC_LEVEL4_CACHE_SIZE
+    _SC_LEVEL4_CACHE_ASSOC,
+#define _SC_LEVEL4_CACHE_ASSOC		_SC_LEVEL4_CACHE_ASSOC
+    _SC_LEVEL4_CACHE_LINESIZE,
+#define _SC_LEVEL4_CACHE_LINESIZE	_SC_LEVEL4_CACHE_LINESIZE
+    /* Leave room here, maybe we need a few more cache levels some day.  */
+
+    _SC_IPV6 = _SC_LEVEL1_ICACHE_SIZE + 50,
+#define _SC_IPV6			_SC_IPV6
+    _SC_RAW_SOCKETS
+#define _SC_RAW_SOCKETS			_SC_RAW_SOCKETS
   };
 
 #if (defined __USE_POSIX2 || defined __USE_UNIX98 \
diff --git a/libc/sysdeps/linux/common/bits/dlfcn.h b/libc/sysdeps/linux/common/bits/dlfcn.h
index 75122a98a..f68849843 100644
--- a/libc/sysdeps/linux/common/bits/dlfcn.h
+++ b/libc/sysdeps/linux/common/bits/dlfcn.h
@@ -1,5 +1,5 @@
 /* System dependent definitions for run-time dynamic loading.
-   Copyright (C) 1996,1997,1998,1999,2000,2001 Free Software Foundation, Inc.
+   Copyright (C) 1996-2001, 2004 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
@@ -26,6 +26,7 @@
 #define RTLD_NOW	0x00002	/* Immediate function call binding.  */
 #define	RTLD_BINDING_MASK   0x3	/* Mask of binding time value.  */
 #define RTLD_NOLOAD	0x00004	/* Do not load the object.  */
+#define RTLD_DEEPBIND	0x00008	/* Use deep binding.  */
 
 /* If the following bit is set in the MODE argument to `dlopen',
    the symbols of the loaded object and its dependencies are made
@@ -40,3 +41,25 @@
 /* Do not delete object when closed.  */
 #define RTLD_NODELETE	0x01000
 
+#if 0 /*def __USE_GNU*/
+/* To support profiling of shared objects it is a good idea to call
+   the function found using `dlsym' using the following macro since
+   these calls do not use the PLT.  But this would mean the dynamic
+   loader has no chance to find out when the function is called.  The
+   macro applies the necessary magic so that profiling is possible.
+   Rewrite
+	foo = (*fctp) (arg1, arg2);
+   into
+        foo = DL_CALL_FCT (fctp, (arg1, arg2));
+*/
+# define DL_CALL_FCT(fctp, args) \
+  (_dl_mcount_wrapper_check ((void *) (fctp)), (*(fctp)) args)
+
+__BEGIN_DECLS
+
+/* This function calls the profiling functions.  */
+extern void _dl_mcount_wrapper_check (void *__selfpc) __THROW;
+
+__END_DECLS
+
+#endif
diff --git a/libc/sysdeps/linux/common/bits/huge_val.h b/libc/sysdeps/linux/common/bits/huge_val.h
index b33974364..11ca11f18 100644
--- a/libc/sysdeps/linux/common/bits/huge_val.h
+++ b/libc/sysdeps/linux/common/bits/huge_val.h
@@ -1,6 +1,7 @@
-/* `HUGE_VAL' constants for IEEE 754 machines (where it is infinity).
+/* `HUGE_VAL' constant for IEEE 754 machines (where it is infinity).
    Used by <stdlib.h> and <math.h> functions for overflow.
-   Copyright (C) 1992, 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1992, 1995, 1996, 1997, 1999, 2000, 2004
+   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
@@ -22,25 +23,19 @@
 # error "Never use <bits/huge_val.h> directly; include <math.h> instead."
 #endif
 
-#include <features.h>
-
 /* IEEE positive infinity (-HUGE_VAL is negative infinity).  */
 
-#ifdef	__GNUC__
-
-# if __GNUC_PREREQ(2,96)
-
-#  define HUGE_VAL (__extension__ 0x1.0p2047)
+#if __GNUC_PREREQ(3,3)
+# define HUGE_VAL	(__builtin_huge_val())
+#elif __GNUC_PREREQ(2,96)
+# define HUGE_VAL	(__extension__ 0x1.0p2047)
+#elif defined __GNUC__
 
-# else
-
-#  define HUGE_VAL \
+# define HUGE_VAL \
   (__extension__							      \
    ((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; })   \
     { __l: 0x7ff0000000000000ULL }).__d)
 
-# endif
-
 #else /* not GCC */
 
 # include <endian.h>
@@ -58,46 +53,3 @@ static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
 # define HUGE_VAL	(__huge_val.__d)
 
 #endif	/* GCC.  */
-
-
-/* ISO C99 extensions: (float) HUGE_VALF and (long double) HUGE_VALL.  */
-
-#ifdef __USE_ISOC99
-
-# ifdef __GNUC__
-
-#  if __GNUC_PREREQ(2,96)
-
-#   define HUGE_VALF (__extension__ 0x1.0p255f)
-
-#  else
-
-#   define HUGE_VALF \
-  (__extension__							      \
-   ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; })    \
-    { __l: 0x7f800000UL }).__d)
-
-#  endif
-
-# else /* not GCC */
-
-typedef union { unsigned char __c[4]; float __f; } __huge_valf_t;
-
-#  if __BYTE_ORDER == __BIG_ENDIAN
-#   define __HUGE_VALF_bytes	{ 0x7f, 0x80, 0, 0 }
-#  endif
-#  if __BYTE_ORDER == __LITTLE_ENDIAN
-#   define __HUGE_VALF_bytes	{ 0, 0, 0x80, 0x7f }
-#  endif
-
-static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
-#  define HUGE_VALF	(__huge_valf.__f)
-
-# endif	/* GCC.  */
-
-
-/* Generally there is no separate `long double' format and it is the
-   same as `double'.  */
-# define HUGE_VALL HUGE_VAL
-
-#endif /* __USE_ISOC99.  */
diff --git a/libc/sysdeps/linux/common/bits/huge_valf.h b/libc/sysdeps/linux/common/bits/huge_valf.h
new file mode 100644
index 000000000..1785342cd
--- /dev/null
+++ b/libc/sysdeps/linux/common/bits/huge_valf.h
@@ -0,0 +1,53 @@
+/* `HUGE_VALF' constant for IEEE 754 machines (where it is infinity).
+   Used by <stdlib.h> and <math.h> functions for overflow.
+   Copyright (C) 1992, 1995, 1996, 1997, 1999, 2000, 2004
+   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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   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.  */
+
+#ifndef _MATH_H
+# error "Never use <bits/huge_valf.h> directly; include <math.h> instead."
+#endif
+
+/* IEEE positive infinity (-HUGE_VAL is negative infinity).  */
+
+#if __GNUC_PREREQ(3,3)
+# define HUGE_VALF	(__builtin_huge_valf())
+#elif __GNUC_PREREQ(2,96)
+# define HUGE_VALF	(__extension__ 0x1.0p255f)
+#elif defined __GNUC__
+
+#   define HUGE_VALF \
+  (__extension__							      \
+   ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; })    \
+    { __l: 0x7f800000UL }).__d)
+
+#else /* not GCC */
+
+typedef union { unsigned char __c[4]; float __f; } __huge_valf_t;
+
+# if __BYTE_ORDER == __BIG_ENDIAN
+#  define __HUGE_VALF_bytes	{ 0x7f, 0x80, 0, 0 }
+# endif
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+#  define __HUGE_VALF_bytes	{ 0, 0, 0x80, 0x7f }
+# endif
+
+static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
+# define HUGE_VALF	(__huge_valf.__f)
+
+#endif	/* GCC.  */
diff --git a/libc/sysdeps/linux/common/bits/huge_vall.h b/libc/sysdeps/linux/common/bits/huge_vall.h
new file mode 100644
index 000000000..d5e8e2237
--- /dev/null
+++ b/libc/sysdeps/linux/common/bits/huge_vall.h
@@ -0,0 +1,29 @@
+/* Default `HUGE_VALL' constant.
+   Used by <stdlib.h> and <math.h> functions for overflow.
+   Copyright (C) 1992, 1996, 1997, 2004 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   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.  */
+
+#ifndef _MATH_H
+# error "Never use <bits/huge_vall.h> directly; include <math.h> instead."
+#endif
+
+#if __GNUC_PREREQ(3,3)
+# define HUGE_VALL	(__builtin_huge_vall())
+#else
+# define HUGE_VALL	((long double) HUGE_VAL)
+#endif
diff --git a/libc/sysdeps/linux/common/bits/inf.h b/libc/sysdeps/linux/common/bits/inf.h
new file mode 100644
index 000000000..1619f756e
--- /dev/null
+++ b/libc/sysdeps/linux/common/bits/inf.h
@@ -0,0 +1,30 @@
+/* `INFINITY' constant for IEEE 754 machines.
+   Copyright (C) 2004 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   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.  */
+
+#ifndef _MATH_H
+# error "Never use <bits/inf.h> directly; include <math.h> instead."
+#endif
+
+/* IEEE positive infinity.  */
+
+#if __GNUC_PREREQ(3,3)
+# define INFINITY	(__builtin_inff())
+#else
+# define INFINITY	HUGE_VALF
+#endif
diff --git a/libc/sysdeps/linux/common/bits/local_lim.h b/libc/sysdeps/linux/common/bits/local_lim.h
index d4671e4a8..b639ba44a 100644
--- a/libc/sysdeps/linux/common/bits/local_lim.h
+++ b/libc/sysdeps/linux/common/bits/local_lim.h
@@ -1,11 +1,11 @@
 /* Minimum guaranteed maximum values for system limits.  Linux version.
-   Copyright (C) 1993-1998, 2000, 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 1993-1998,2000,2002,2003,2004 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 Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
+   modify it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 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
@@ -13,9 +13,9 @@
    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; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
 
 /* The kernel header pollutes the namespace with the NR_OPEN symbol
    and defines LINK_MAX although filesystems have different maxima.  A
@@ -63,16 +63,19 @@
 
 /* The number of threads per process.  */
 #define _POSIX_THREAD_THREADS_MAX	64
-/* This is the value this implementation supports.  */
-#define PTHREAD_THREADS_MAX	1024
-
-/* Minimum size for a thread.  We are free to choose a reasonable value.  */
-#define PTHREAD_STACK_MIN	16384
+/* We have no predefined limit on the number of threads.  */
+#undef PTHREAD_THREADS_MAX
 
 /* Maximum amount by which a process can descrease its asynchronous I/O
    priority level.  */
 #define AIO_PRIO_DELTA_MAX	20
 
+/* Minimum size for a thread.  We are free to choose a reasonable value.  */
+#define PTHREAD_STACK_MIN	16384
+
+/* Maximum number of timer expiration overruns.  */
+#define DELAYTIMER_MAX	2147483647
+
 /* Maximum tty name length.  */
 #define TTY_NAME_MAX		32
 
@@ -84,6 +87,3 @@
 
 /* Maximum message queue priority level.  */
 #define MQ_PRIO_MAX		32768
-
-/* Maximum number of POSIX timers available.  */
-#define TIMER_MAX	256
diff --git a/libc/sysdeps/linux/common/bits/locale.h b/libc/sysdeps/linux/common/bits/locale.h
index 50064b53e..5d5178361 100644
--- a/libc/sysdeps/linux/common/bits/locale.h
+++ b/libc/sysdeps/linux/common/bits/locale.h
@@ -33,12 +33,14 @@ enum
   __LC_MONETARY = 4,
   __LC_MESSAGES = 5,
   __LC_ALL = 6,
+#if 0
   __LC_PAPER = 7,
   __LC_NAME = 8,
   __LC_ADDRESS = 9,
   __LC_TELEPHONE = 10,
   __LC_MEASUREMENT = 11,
   __LC_IDENTIFICATION = 12
+#endif
 };
 
 #endif	/* bits/locale.h */
diff --git a/libc/sysdeps/linux/common/bits/mathcalls.h b/libc/sysdeps/linux/common/bits/mathcalls.h
index c1181f737..c02007284 100644
--- a/libc/sysdeps/linux/common/bits/mathcalls.h
+++ b/libc/sysdeps/linux/common/bits/mathcalls.h
@@ -1,5 +1,5 @@
 /* Prototype declarations for math functions; helper file for <math.h>.
-   Copyright (C) 1996,1997,1998,1999,2000,2001 Free Software Foundation, Inc.
+   Copyright (C) 1996-2002, 2003, 2006 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
@@ -44,12 +44,13 @@
    NAME, to make token pasting work with -traditional.  */
 
 #ifndef _MATH_H
- #error "Never include <bits/mathcalls.h> directly; include <math.h> instead."
+# error "Never include <bits/mathcalls.h> directly; include <math.h> instead."
 #endif
 
 
 /* Trigonometric functions.  */
 
+_Mdouble_BEGIN_NAMESPACE
 /* Arc cosine of X.  */
 __MATHCALL (acos,, (_Mdouble_ __x));
 /* Arc sine of X.  */
@@ -66,12 +67,6 @@ __MATHCALL (sin,, (_Mdouble_ __x));
 /* Tangent of X.  */
 __MATHCALL (tan,, (_Mdouble_ __x));
 
-#ifdef __USE_GNU
-/* Cosine and sine of X.  */
-__MATHDECL (void,sincos,,
-	    (_Mdouble_ __x, _Mdouble_ *__sinx, _Mdouble_ *__cosx));
-#endif
-
 /* Hyperbolic functions.  */
 
 /* Hyperbolic cosine of X.  */
@@ -80,28 +75,31 @@ __MATHCALL (cosh,, (_Mdouble_ __x));
 __MATHCALL (sinh,, (_Mdouble_ __x));
 /* Hyperbolic tangent of X.  */
 __MATHCALL (tanh,, (_Mdouble_ __x));
+_Mdouble_END_NAMESPACE
+
+#if 0 /*def __USE_GNU*/
+/* Cosine and sine of X.  */
+__MATHDECL (void,sincos,,
+	    (_Mdouble_ __x, _Mdouble_ *__sinx, _Mdouble_ *__cosx));
+#endif
 
 #if defined __USE_MISC || defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99
+__BEGIN_NAMESPACE_C99
 /* Hyperbolic arc cosine of X.  */
 __MATHCALL (acosh,, (_Mdouble_ __x));
 /* Hyperbolic arc sine of X.  */
 __MATHCALL (asinh,, (_Mdouble_ __x));
 /* Hyperbolic arc tangent of X.  */
 __MATHCALL (atanh,, (_Mdouble_ __x));
+__END_NAMESPACE_C99
 #endif
 
 /* Exponential and logarithmic functions.  */
 
+_Mdouble_BEGIN_NAMESPACE
 /* Exponential function of X.  */
 __MATHCALL (exp,, (_Mdouble_ __x));
 
-#ifdef __USE_GNU
-/* A function missing in all standards: compute exponent to base ten.  */
-__MATHCALL (exp10,, (_Mdouble_ __x));
-/* Another name occasionally used.  */
-__MATHCALL (pow10,, (_Mdouble_ __x));
-#endif
-
 /* Break VALUE into a normalized fraction and an integral power of 2.  */
 __MATHCALL (frexp,, (_Mdouble_ __x, int *__exponent));
 
@@ -116,8 +114,17 @@ __MATHCALL (log10,, (_Mdouble_ __x));
 
 /* Break VALUE into integral and fractional parts.  */
 __MATHCALL (modf,, (_Mdouble_ __x, _Mdouble_ *__iptr));
+_Mdouble_END_NAMESPACE
+
+#if 0 /*def __USE_GNU*/
+/* A function missing in all standards: compute exponent to base ten.  */
+__MATHCALL (exp10,, (_Mdouble_ __x));
+/* Another name occasionally used.  */
+__MATHCALL (pow10,, (_Mdouble_ __x));
+#endif
 
 #if defined __USE_MISC || defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99
+__BEGIN_NAMESPACE_C99
 /* Return exp(X) - 1.  */
 __MATHCALL (expm1,, (_Mdouble_ __x));
 
@@ -126,46 +133,56 @@ __MATHCALL (log1p,, (_Mdouble_ __x));
 
 /* Return the base 2 signed integral exponent of X.  */
 __MATHCALL (logb,, (_Mdouble_ __x));
+__END_NAMESPACE_C99
 #endif
 
 #ifdef __USE_ISOC99
+__BEGIN_NAMESPACE_C99
 /* Compute base-2 exponential of X.  */
 __MATHCALL (exp2,, (_Mdouble_ __x));
 
 /* Compute base-2 logarithm of X.  */
 __MATHCALL (log2,, (_Mdouble_ __x));
+__END_NAMESPACE_C99
 #endif
 
 
 /* Power functions.  */
 
+_Mdouble_BEGIN_NAMESPACE
 /* Return X to the Y power.  */
 __MATHCALL (pow,, (_Mdouble_ __x, _Mdouble_ __y));
 
 /* Return the square root of X.  */
 __MATHCALL (sqrt,, (_Mdouble_ __x));
+_Mdouble_END_NAMESPACE
 
 #if defined __USE_MISC || defined __USE_XOPEN || defined __USE_ISOC99
+__BEGIN_NAMESPACE_C99
 /* Return `sqrt(X*X + Y*Y)'.  */
 __MATHCALL (hypot,, (_Mdouble_ __x, _Mdouble_ __y));
+__END_NAMESPACE_C99
 #endif
 
 #if defined __USE_MISC || defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99
+__BEGIN_NAMESPACE_C99
 /* Return the cube root of X.  */
 __MATHCALL (cbrt,, (_Mdouble_ __x));
+__END_NAMESPACE_C99
 #endif
 
 
 /* Nearest integer, absolute value, and remainder functions.  */
 
+_Mdouble_BEGIN_NAMESPACE
 /* Smallest integral value not less than X.  */
-__MATHCALL (ceil,, (_Mdouble_ __x));
+__MATHCALLX (ceil,, (_Mdouble_ __x), (__const__));
 
 /* Absolute value of X.  */
 __MATHCALLX (fabs,, (_Mdouble_ __x), (__const__));
 
 /* Largest integer not greater than X.  */
-__MATHCALL (floor,, (_Mdouble_ __x));
+__MATHCALLX (floor,, (_Mdouble_ __x), (__const__));
 
 /* Floating-point modulo remainder of X/Y.  */
 __MATHCALL (fmod,, (_Mdouble_ __x, _Mdouble_ __y));
@@ -177,6 +194,7 @@ __MATHDECL_1 (int,__isinf,, (_Mdouble_ __value)) __attribute__ ((__const__));
 
 /* Return nonzero if VALUE is finite and not NaN.  */
 __MATHDECL_1 (int,__finite,, (_Mdouble_ __value)) __attribute__ ((__const__));
+_Mdouble_END_NAMESPACE
 
 #ifdef __USE_MISC
 /* Return 0 if VALUE is finite or NaN, +1 if it
@@ -195,13 +213,17 @@ __MATHCALL (significand,, (_Mdouble_ __x));
 #endif /* Use misc.  */
 
 #if defined __USE_MISC || defined __USE_ISOC99
+__BEGIN_NAMESPACE_C99
 /* Return X with its signed changed to Y's.  */
 __MATHCALLX (copysign,, (_Mdouble_ __x, _Mdouble_ __y), (__const__));
+__END_NAMESPACE_C99
 #endif
 
 #ifdef __USE_ISOC99
+__BEGIN_NAMESPACE_C99
 /* Return representation of NaN for double type.  */
 __MATHCALLX (nan,, (__const char *__tagb), (__const__));
+__END_NAMESPACE_C99
 #endif
 
 
@@ -223,14 +245,19 @@ __MATHCALL (yn,, (int, _Mdouble_));
 
 
 #if defined __USE_MISC || defined __USE_XOPEN || defined __USE_ISOC99
+__BEGIN_NAMESPACE_C99
 /* Error and gamma functions.  */
 __MATHCALL (erf,, (_Mdouble_));
 __MATHCALL (erfc,, (_Mdouble_));
 __MATHCALL (lgamma,, (_Mdouble_));
+__END_NAMESPACE_C99
 #endif
 
 #ifdef __USE_ISOC99
+__BEGIN_NAMESPACE_C99
+/* True gamma function.  */
 __MATHCALL (tgamma,, (_Mdouble_));
+__END_NAMESPACE_C99
 #endif
 
 #if defined __USE_MISC || defined __USE_XOPEN
@@ -247,24 +274,20 @@ __MATHCALL (lgamma,_r, (_Mdouble_, int *__signgamp));
 
 
 #if defined __USE_MISC || defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99
+__BEGIN_NAMESPACE_C99
 /* Return the integer nearest X in the direction of the
    prevailing rounding mode.  */
 __MATHCALL (rint,, (_Mdouble_ __x));
 
 /* Return X + epsilon if X < Y, X - epsilon if X > Y.  */
 __MATHCALLX (nextafter,, (_Mdouble_ __x, _Mdouble_ __y), (__const__));
-# ifdef __USE_ISOC99
+# if defined __USE_ISOC99 && !defined __LDBL_COMPAT
 __MATHCALLX (nexttoward,, (_Mdouble_ __x, long double __y), (__const__));
 # endif
 
 /* Return the remainder of integer divison X / Y with infinite precision.  */
 __MATHCALL (remainder,, (_Mdouble_ __x, _Mdouble_ __y));
 
-# if defined __USE_MISC || defined __USE_XOPEN_EXTENDED
-/* Return X times (2 to the Nth power).  */
-__MATHCALL (scalb,, (_Mdouble_ __x, _Mdouble_ __n));
-# endif
-
 # if defined __USE_MISC || defined __USE_ISOC99
 /* Return X times (2 to the Nth power).  */
 __MATHCALL (scalbn,, (_Mdouble_ __x, int __n));
@@ -284,7 +307,7 @@ __MATHCALL (nearbyint,, (_Mdouble_ __x));
 
 /* Round X to nearest integral value, rounding halfway cases away from
    zero.  */
-__MATHCALL (round,, (_Mdouble_ __x));
+__MATHCALLX (round,, (_Mdouble_ __x), (__const__));
 
 /* Round X to the integral value in floating-point format nearest but
    not larger in magnitude.  */
@@ -331,3 +354,12 @@ __MATHDECL_1 (int, __signbit,, (_Mdouble_ __value))
 /* Multiply-add function computed as a ternary operation.  */
 __MATHCALL (fma,, (_Mdouble_ __x, _Mdouble_ __y, _Mdouble_ __z));
 #endif /* Use ISO C99.  */
+
+#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99
+__END_NAMESPACE_C99
+#endif
+
+#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED
+/* Return X times (2 to the Nth power).  */
+__MATHCALL (scalb,, (_Mdouble_ __x, _Mdouble_ __n));
+#endif
diff --git a/libc/sysdeps/linux/common/bits/mathdef.h b/libc/sysdeps/linux/common/bits/mathdef.h
index d08dc3820..00c67241a 100644
--- a/libc/sysdeps/linux/common/bits/mathdef.h
+++ b/libc/sysdeps/linux/common/bits/mathdef.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 1999, 2000, 2004 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
@@ -30,10 +30,6 @@ typedef double float_t;		/* `float' expressions are evaluated as
 typedef double double_t;	/* `double' expressions are evaluated as
 				   `double'.  */
 
-/* Define `INFINITY' as value of type `float'.  */
-# define INFINITY	HUGE_VALF
-
-
 /* The values returned by `ilogb' for 0 and NaN respectively.  */
 # define FP_ILOGB0	(-2147483647)
 # define FP_ILOGBNAN	2147483647
diff --git a/libc/sysdeps/linux/common/bits/posix1_lim.h b/libc/sysdeps/linux/common/bits/posix1_lim.h
index 9379d46f4..3c86dcec1 100644
--- a/libc/sysdeps/linux/common/bits/posix1_lim.h
+++ b/libc/sysdeps/linux/common/bits/posix1_lim.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-1993,96,98,2000,01,02,2003 Free Software Foundation, Inc.
+/* Copyright (C) 1991-1993,96,98,2000-2003,2004 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
@@ -38,14 +38,25 @@
 #define	_POSIX_ARG_MAX		4096
 
 /* Maximum simultaneous processes per real user ID.  */
-#define	_POSIX_CHILD_MAX	6
+#ifdef __USE_XOPEN2K
+# define _POSIX_CHILD_MAX	25
+#else
+# define _POSIX_CHILD_MAX	6
+#endif
 
 /* Minimal number of timer expiration overruns.  */
 #define _POSIX_DELAYTIMER_MAX	32
 
+/* Maximum length of a host name (not including the terminating null)
+   as returned from the GETHOSTNAME function.  */
+#define _POSIX_HOST_NAME_MAX	255
+
 /* Maximum link count of a file.  */
 #define	_POSIX_LINK_MAX		8
 
+/* Maximum length of login name.  */
+#define	_POSIX_LOGIN_NAME_MAX	9
+
 /* Number of bytes in a terminal canonical input queue.  */
 #define	_POSIX_MAX_CANON	255
 
@@ -59,6 +70,9 @@
 /* Maximum number of supported message priorities.  */
 #define _POSIX_MQ_PRIO_MAX	32
 
+/* Number of bytes in a filename.  */
+#define	_POSIX_NAME_MAX		14
+
 /* Number of simultaneous supplementary group IDs per process.  */
 #ifdef __USE_XOPEN2K
 # define _POSIX_NGROUPS_MAX	8
@@ -67,21 +81,26 @@
 #endif
 
 /* Number of files one process can have open at once.  */
-#define	_POSIX_OPEN_MAX		16
+#ifdef __USE_XOPEN2K
+# define _POSIX_OPEN_MAX	20
+#else
+# define _POSIX_OPEN_MAX	16
+#endif
 
 /* Number of descriptors that a process may examine with `pselect' or
    `select'.  */
 #define	_POSIX_FD_SETSIZE	_POSIX_OPEN_MAX
 
-/* Number of bytes in a filename.  */
-#define	_POSIX_NAME_MAX		14
-
 /* Number of bytes in a pathname.  */
 #define	_POSIX_PATH_MAX		256
 
 /* Number of bytes than can be written atomically to a pipe.  */
 #define	_POSIX_PIPE_BUF		512
 
+/* The number of repeated occurrences of a BRE permitted by the
+   REGEXEC and REGCOMP functions when using the interval notation.  */
+#define _POSIX_RE_DUP_MAX	255
+
 /* Minimal number of realtime signals reserved for the application.  */
 #define _POSIX_RTSIG_MAX	8
 
@@ -100,6 +119,19 @@
 /* Number of streams a process can have open at once.  */
 #define	_POSIX_STREAM_MAX	8
 
+/* The number of bytes in a symbolic link.  */
+#define _POSIX_SYMLINK_MAX	255
+
+/* The number of symbolic links that can be traversed in the
+   resolution of a pathname in the absence of a loop.  */
+#define _POSIX_SYMLOOP_MAX	8
+
+/* Number of timer for a process.  */
+#define _POSIX_TIMER_MAX	32
+
+/* Maximum number of characters in a tty name.  */
+#define	_POSIX_TTY_NAME_MAX	9
+
 /* Maximum length of a timezone name (element of `tzname').  */
 #define	_POSIX_TZNAME_MAX	6
 
@@ -113,21 +145,13 @@
 /* Maximum number of elements in an `iovec' array.  */
 #define	_POSIX_UIO_MAXIOV	16
 
-/* Maximum number of characters in a tty name.  */
-#define	_POSIX_TTY_NAME_MAX	9
-
-/* Number of timer for a process.  */
-#define _POSIX_TIMER_MAX	32
-
-/* Maximum length of login name.  */
-#define	_POSIX_LOGIN_NAME_MAX	9
-
 /* Maximum clock resolution in nanoseconds.  */
 #define _POSIX_CLOCKRES_MIN	20000000
 
 
 /* Get the implementation-specific values for the above.  */
 #include <bits/local_lim.h>
+#include <bits/uClibc_local_lim.h>
 
 
 #ifndef	SSIZE_MAX
diff --git a/libc/sysdeps/linux/common/bits/posix_opt.h b/libc/sysdeps/linux/common/bits/posix_opt.h
index b2cae9d41..92c2d3282 100644
--- a/libc/sysdeps/linux/common/bits/posix_opt.h
+++ b/libc/sysdeps/linux/common/bits/posix_opt.h
@@ -1,11 +1,11 @@
 /* Define POSIX options for Linux.
-   Copyright (C) 1996,1997,1999,2000,2002,2003 Free Software Foundation, Inc.
+   Copyright (C) 1996-2001, 2002, 2003, 2004 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 Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
+   modify it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 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
@@ -13,16 +13,12 @@
    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; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
 
-/*
- * Never include this file directly; use <unistd.h> instead.
- */
-
-#ifndef	_BITS_POSIX_OPT_H
-#define	_BITS_POSIX_OPT_H	1
+#ifndef	_POSIX_OPT_H
+#define	_POSIX_OPT_H	1
 
 /* Job control is supported.  */
 #define	_POSIX_JOB_CONTROL	1
@@ -43,31 +39,13 @@
 #define	_POSIX_MAPPED_FILES	200112L
 
 /* Locking of all memory is supported.  */
-#ifdef __ARCH_USE_MMU__
-# define	_POSIX_MEMLOCK	200112L
-#else
-# undef		_POSIX_MEMLOCK
-#endif
+#define	_POSIX_MEMLOCK	200112L
 
 /* Locking of ranges of memory is supported.  */
-#ifdef __ARCH_USE_MMU__
-# define	_POSIX_MEMLOCK_RANGE	200112L
-#else
-# define	_POSIX_MEMLOCK_RANGE
-#endif
+#define	_POSIX_MEMLOCK_RANGE	200112L
 
 /* Setting of memory protections is supported.  */
-#ifdef __ARCH_USE_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
+#define	_POSIX_MEMORY_PROTECTION	200112L
 
 /* Only root can change owner of file.  */
 #define	_POSIX_CHOWN_RESTRICTED	1
@@ -82,115 +60,119 @@
 /* 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
+#define _POSIX_THREADS	200112L
 
 /* 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
+#define _POSIX_REENTRANT_FUNCTIONS      1
+#define _POSIX_THREAD_SAFE_FUNCTIONS	200112L
 
 /* We provide priority scheduling for threads.  */
-#define _POSIX_THREAD_PRIORITY_SCHEDULING	1
+#define _POSIX_THREAD_PRIORITY_SCHEDULING	200112L
 
 /* We support user-defined stack sizes.  */
-#define _POSIX_THREAD_ATTR_STACKSIZE	1
+#define _POSIX_THREAD_ATTR_STACKSIZE	200112L
 
 /* We support user-defined stacks.  */
-#define _POSIX_THREAD_ATTR_STACKADDR	1
+#define _POSIX_THREAD_ATTR_STACKADDR	200112L
 
-/* 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
+/* We support POSIX.1b semaphores.  */
+#define _POSIX_SEMAPHORES	200112L
 
 /* Real-time signals are supported.  */
 #define _POSIX_REALTIME_SIGNALS	200112L
 
 /* We support asynchronous I/O.  */
-#define _POSIX_ASYNCHRONOUS_IO	1
+#define _POSIX_ASYNCHRONOUS_IO	200112L
 #define _POSIX_ASYNC_IO		1
 /* Alternative name for Unix98.  */
 #define _LFS_ASYNCHRONOUS_IO	1
+/* Support for prioritization is also available.  */
+#define _POSIX_PRIORITIZED_IO	200112L
 
 /* The LFS support in asynchronous I/O is also available.  */
-#ifdef __UCLIBC_HAS_LFS__
-# define _LFS64_ASYNCHRONOUS_IO	1
-#else
-# undef _LFS64_ASYNCHRONOUS_IO
-#endif
+#define _LFS64_ASYNCHRONOUS_IO	1
 
 /* The rest of the LFS is also available.  */
-#ifdef __UCLIBC_HAS_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 timers are available.  */
-#define _POSIX_TIMERS	200112L
+#define _LFS_LARGEFILE		1
+#define _LFS64_LARGEFILE	1
+#define _LFS64_STDIO		1
 
 /* POSIX shared memory objects are implemented.  */
 #define _POSIX_SHARED_MEMORY_OBJECTS	200112L
 
-#if defined(__i386__)
-/* CPU-time clocks supported.  */
-# define _POSIX_CPUTIME 200912L
-
-/* We support the clock also in threads.  */
-# define _POSIX_THREAD_CPUTIME  200912L
-#endif
+/* CPU-time clocks support needs to be checked at runtime.  */
+#define _POSIX_CPUTIME	0
 
-/* Reader/Writer locks are available.  */
-#define _POSIX_READER_WRITER_LOCKS	200912L
+/* Clock support in threads must be also checked at runtime.  */
+#define _POSIX_THREAD_CPUTIME	0
 
 /* GNU libc provides regular expression handling.  */
-#ifdef __UCLIBC_HAS_REGEX__
-# define _POSIX_REGEXP	1
-#else
-# undef _POSIX_REGEXP
-#endif
+#define _POSIX_REGEXP	1
+
+/* Reader/Writer locks are available.  */
+#define _POSIX_READER_WRITER_LOCKS	200112L
 
 /* We have a POSIX shell.  */
 #define _POSIX_SHELL	1
 
-/* The `spawn' function family is supported.  */
-#define _POSIX_SPAWN	200912L
-
 /* We support the Timeouts option.  */
-#define _POSIX_TIMEOUTS	200912L
+#define _POSIX_TIMEOUTS	200112L
 
 /* We support spinlocks.  */
-#define _POSIX_SPIN_LOCKS	200912L
+#define _POSIX_SPIN_LOCKS	200112L
+
+/* The `spawn' function family is supported.  */
+#define _POSIX_SPAWN	200112L
+
+/* We have POSIX timers.  */
+#define _POSIX_TIMERS	200112L
 
 /* The barrier functions are available.  */
-#define _POSIX_BARRIERS	200912L
+#define _POSIX_BARRIERS	200112L
+
+/* POSIX message queues are available.  */
+#define	_POSIX_MESSAGE_PASSING	200112L
+
+/* Thread process-shared synchronization is supported.  */
+#define _POSIX_THREAD_PROCESS_SHARED	200112L
+
+/* The monotonic clock might be available.  */
+#define _POSIX_MONOTONIC_CLOCK	0
+
+/* The clock selection interfaces are available.  */
+#define _POSIX_CLOCK_SELECTION	200112L
+
+/* Advisory information interfaces are available.  */
+#define _POSIX_ADVISORY_INFO	200112L
+
+/* IPv6 support is available.  */
+#define _POSIX_IPV6	200112L
+
+/* Raw socket support is available.  */
+#define _POSIX_RAW_SOCKETS	200112L
+
+/* We have at least one terminal.  */
+#define _POSIX2_CHAR_TERM	200112L
+
+/* Neither process nor thread sporadic server interfaces is available.  */
+#define _POSIX_SPORADIC_SERVER	-1
+#define _POSIX_THREAD_SPORADIC_SERVER	-1
+
+/* trace.h is not available.  */
+#define _POSIX_TRACE	-1
+#define _POSIX_TRACE_EVENT_FILTER	-1
+#define _POSIX_TRACE_INHERIT	-1
+#define _POSIX_TRACE_LOG	-1
+
+/* Typed memory objects are not available.  */
+#define _POSIX_TYPED_MEMORY_OBJECTS	-1
 
-/* POSIX message queues are not yet supported.  */
-#undef	_POSIX_MESSAGE_PASSING
+/* 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 */
+#endif /* posix_opt.h */
diff --git a/libc/sysdeps/linux/common/bits/resource.h b/libc/sysdeps/linux/common/bits/resource.h
index 1d438122e..526cdaf53 100644
--- a/libc/sysdeps/linux/common/bits/resource.h
+++ b/libc/sysdeps/linux/common/bits/resource.h
@@ -81,7 +81,26 @@ enum __rlimit_resource
   __RLIMIT_LOCKS = 10,
 #define RLIMIT_LOCKS __RLIMIT_LOCKS
 
-  __RLIMIT_NLIMITS = 11,
+  /* Maximum number of pending signals.  */
+  __RLIMIT_SIGPENDING = 11,
+#define RLIMIT_SIGPENDING __RLIMIT_SIGPENDING
+
+  /* Maximum bytes in POSIX message queues.  */
+  __RLIMIT_MSGQUEUE = 12,
+#define RLIMIT_MSGQUEUE __RLIMIT_MSGQUEUE
+
+  /* Maximum nice priority allowed to raise to.
+     Nice levels 19 .. -20 correspond to 0 .. 39
+     values of this resource limit.  */
+  __RLIMIT_NICE = 13,
+#define RLIMIT_NICE __RLIMIT_NICE
+
+  /* Maximum realtime priority allowed for non-priviledged
+     processes.  */
+  __RLIMIT_RTPRIO = 14,
+#define RLIMIT_RTPRIO __RLIMIT_RTPRIO
+
+  __RLIMIT_NLIMITS = 15,
   __RLIM_NLIMITS = __RLIMIT_NLIMITS
 #define RLIMIT_NLIMITS __RLIMIT_NLIMITS
 #define RLIM_NLIMITS __RLIM_NLIMITS
@@ -89,13 +108,13 @@ enum __rlimit_resource
 
 /* Value to indicate that there is no limit.  */
 #ifndef __USE_FILE_OFFSET64
-# define RLIM_INFINITY ((long int)(~0UL >> 1))
+# define RLIM_INFINITY ((unsigned long int)(~0UL))
 #else
-# define RLIM_INFINITY 0x7fffffffffffffffLL
+# define RLIM_INFINITY 0xffffffffffffffffuLL
 #endif
 
 #ifdef __USE_LARGEFILE64
-# define RLIM64_INFINITY 0x7fffffffffffffffLL
+# define RLIM64_INFINITY 0xffffffffffffffffuLL
 #endif
 
 /* We can represent all limits.  */
@@ -139,12 +158,8 @@ enum __rusage_who
 #define RUSAGE_SELF RUSAGE_SELF
 
   /* All of its terminated child processes.  */
-  RUSAGE_CHILDREN = -1,
+  RUSAGE_CHILDREN = -1
 #define RUSAGE_CHILDREN RUSAGE_CHILDREN
-
-  /* Both.  */
-  RUSAGE_BOTH = -2
-#define RUSAGE_BOTH RUSAGE_BOTH
 };
 
 #define __need_timeval
diff --git a/libc/sysdeps/linux/common/bits/sched.h b/libc/sysdeps/linux/common/bits/sched.h
index 78f18ad4e..b48a0c874 100644
--- a/libc/sysdeps/linux/common/bits/sched.h
+++ b/libc/sysdeps/linux/common/bits/sched.h
@@ -29,7 +29,7 @@
 #define SCHED_OTHER	0
 #define SCHED_FIFO	1
 #define SCHED_RR	2
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
 # define SCHED_BATCH	3
 #endif
 
@@ -46,7 +46,6 @@
 # define CLONE_PARENT  0x00008000 /* Set if we want to have the same
 				     parent as the cloner.  */
 # define CLONE_THREAD  0x00010000 /* Set to add to same thread group.  */
-#if 0
 # define CLONE_NEWNS   0x00020000 /* Set to create new namespace.  */
 # define CLONE_SYSVSEM 0x00040000 /* Set to shared SVID SEM_UNDO semantics.  */
 # define CLONE_SETTLS  0x00080000 /* Set TLS info.  */
@@ -61,9 +60,6 @@
 					  the child.  */
 # define CLONE_STOPPED	0x02000000 /* Start in stopped state.  */
 #endif
-#endif
-
-#ifndef __ASSEMBLER__
 
 /* The official definition.  */
 struct sched_param
@@ -86,12 +82,8 @@ extern int unshare (int __flags) __THROW;
 
 __END_DECLS
 
-#endif /* __ASSEMBLER__ */
-
 #endif	/* need schedparam */
 
-#ifndef __ASSEMBLER__
-
 #if !defined __defined_schedparam \
     && (defined __need_schedparam || defined _SCHED_H)
 # define __defined_schedparam	1
@@ -104,7 +96,6 @@ struct __sched_param
 #endif
 
 
-#if 0
 #if defined _SCHED_H && !defined __cpu_set_t_defined
 # define __cpu_set_t_defined
 /* Size definition for CPU sets.  */
@@ -139,6 +130,3 @@ typedef struct
 # define __CPU_ISSET(cpu, cpusetp) \
   (((cpusetp)->__bits[__CPUELT (cpu)] & __CPUMASK (cpu)) != 0)
 #endif
-#endif
-
-#endif /* __ASSEMBLER__ */
diff --git a/libc/sysdeps/linux/common/bits/shm.h b/libc/sysdeps/linux/common/bits/shm.h
index 225b89db2..318d601ae 100644
--- a/libc/sysdeps/linux/common/bits/shm.h
+++ b/libc/sysdeps/linux/common/bits/shm.h
@@ -73,6 +73,7 @@ struct shmid_ds
 # define SHM_DEST	01000	/* segment will be destroyed on last detach */
 # define SHM_LOCKED	02000   /* segment will not be swapped */
 # define SHM_HUGETLB	04000	/* segment is mapped via hugetlb */
+# define SHM_NORESERVE	010000	/* don't check for reservations */
 
 struct	shminfo
   {
diff --git a/libc/sysdeps/linux/common/bits/signum.h b/libc/sysdeps/linux/common/bits/signum.h
index 74259b492..a18ac113a 100644
--- a/libc/sysdeps/linux/common/bits/signum.h
+++ b/libc/sysdeps/linux/common/bits/signum.h
@@ -1,5 +1,5 @@
 /* Signal number definitions.  Linux version.
-   Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1995,1996,1997,1998,1999,2003 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
@@ -66,7 +66,7 @@
 #define SIGSYS		31	/* Bad system call.  */
 #define SIGUNUSED	31
 
-#define	_NSIG		64	/* Biggest signal number + 1
+#define	_NSIG		65	/* Biggest signal number + 1
 				   (including real-time signals).  */
 
 #define SIGRTMIN        (__libc_current_sigrtmin ())
diff --git a/libc/sysdeps/linux/common/bits/sigthread.h b/libc/sysdeps/linux/common/bits/sigthread.h
index 9e6b62e4b..960bde18a 100644
--- a/libc/sysdeps/linux/common/bits/sigthread.h
+++ b/libc/sysdeps/linux/common/bits/sigthread.h
@@ -1,11 +1,11 @@
-/* Signal handling function for threaded programs.  Generic version.
-   Copyright (C) 2000 Free Software Foundation, Inc.
+/* Signal handling function for threaded programs.
+   Copyright (C) 1998, 1999, 2000, 2002 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 Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
+   modify it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 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
@@ -13,9 +13,9 @@
    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; 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 _BITS_SIGTHREAD_H
 #define _BITS_SIGTHREAD_H	1
@@ -24,15 +24,15 @@
 # error "Never include this file directly.  Use <pthread.h> instead"
 #endif
 
-/* Modify the signal mask for the calling thread.  The arguments have the
-   same meaning as for sigprocmask; in fact, this and sigprocmask might be
-   the same function.  We declare this the same on all platforms, since it
-   doesn't use any thread-related types.  */
+/* Functions for handling signals. */
+
+/* Modify the signal mask for the calling thread.  The arguments have
+   the same meaning as for sigprocmask(2). */
 extern int pthread_sigmask (int __how,
 			    __const __sigset_t *__restrict __newmask,
 			    __sigset_t *__restrict __oldmask)__THROW;
 
 /* Send signal SIGNO to the given thread. */
-extern int pthread_kill (pthread_t __thread_id, int __signo) __THROW;
+extern int pthread_kill (pthread_t __threadid, int __signo) __THROW;
 
 #endif	/* bits/sigthread.h */
diff --git a/libc/sysdeps/linux/common/bits/socket.h b/libc/sysdeps/linux/common/bits/socket.h
index 2466c0cd1..cc13c4874 100644
--- a/libc/sysdeps/linux/common/bits/socket.h
+++ b/libc/sysdeps/linux/common/bits/socket.h
@@ -1,5 +1,5 @@
 /* System-specific socket constants and types.  Linux version.
-   Copyright (C) 1991,1992,1994-2001, 2004 Free Software Foundation, Inc.
+   Copyright (C) 1991,1992,1994-2001,2004,2006 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
@@ -286,13 +286,12 @@ __NTH (__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg))
    <linux/socket.h>.  */
 enum
   {
-    SCM_RIGHTS = 0x01,		/* Transfer file descriptors.  */
+    SCM_RIGHTS = 0x01		/* Transfer file descriptors.  */
 #define SCM_RIGHTS SCM_RIGHTS
 #ifdef __USE_BSD
-    SCM_CREDENTIALS = 0x02,     /* Credentials passing.  */
+    , SCM_CREDENTIALS = 0x02	/* Credentials passing.  */
 # define SCM_CREDENTIALS SCM_CREDENTIALS
 #endif
-    __SCM_CONNECT = 0x03	/* Data array is `struct scm_connect'.  */
   };
 
 /* User visible structure for SCM_CREDENTIALS message */
diff --git a/libc/sysdeps/linux/common/bits/stat.h b/libc/sysdeps/linux/common/bits/stat.h
index 3e8e77f65..0f2000e73 100644
--- a/libc/sysdeps/linux/common/bits/stat.h
+++ b/libc/sysdeps/linux/common/bits/stat.h
@@ -20,9 +20,6 @@
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
 #endif
 
-#ifndef _BITS_STAT_H
-#define _BITS_STAT_H
-
 /* Versions of the `struct stat' data structure.  */
 #define _STAT_VER_LINUX_OLD	1
 #define _STAT_VER_KERNEL	1
@@ -35,8 +32,9 @@
 #define _MKNOD_VER_SVR4		2
 #define _MKNOD_VER		_MKNOD_VER_LINUX /* The bits defined below.  */
 
+
 struct stat
-{
+  {
     __dev_t st_dev;			/* Device.  */
     unsigned short int __pad1;
 #ifndef __USE_FILE_OFFSET64
@@ -62,23 +60,38 @@ struct stat
 #else
     __blkcnt64_t st_blocks;		/* Number 512-byte blocks allocated. */
 #endif
+#if 0 /*def __USE_MISC*/
+    /* Nanosecond resolution timestamps are stored in a format
+       equivalent to 'struct timespec'.  This is the type used
+       whenever possible but the Unix namespace rules do not allow the
+       identifier 'timespec' to appear in the <sys/stat.h> header.
+       Therefore we have to handle the use of this header in strictly
+       standard-compliant sources special.  */
+    struct timespec st_atim;		/* Time of last access.  */
+    struct timespec st_mtim;		/* Time of last modification.  */
+    struct timespec st_ctim;		/* Time of last status change.  */
+# define st_atime st_atim.tv_sec	/* Backward compatibility.  */
+# define st_mtime st_mtim.tv_sec
+# define st_ctime st_ctim.tv_sec
+#else
     __time_t st_atime;			/* Time of last access.  */
     unsigned long int st_atimensec;	/* Nscecs of last access.  */
     __time_t st_mtime;			/* Time of last modification.  */
     unsigned long int st_mtimensec;	/* Nsecs of last modification.  */
     __time_t st_ctime;			/* Time of last status change.  */
     unsigned long int st_ctimensec;	/* Nsecs of last status change.  */
+#endif
 #ifndef __USE_FILE_OFFSET64
     unsigned long int __unused4;
     unsigned long int __unused5;
 #else
     __ino64_t st_ino;			/* File serial number.	*/
 #endif
-};
+  };
 
 #ifdef __USE_LARGEFILE64
 struct stat64
-{
+  {
     __dev_t st_dev;			/* Device.  */
     unsigned int __pad1;
 
@@ -93,17 +106,28 @@ struct stat64
     __blksize_t st_blksize;		/* Optimal block size for I/O.  */
 
     __blkcnt64_t st_blocks;		/* Number 512-byte blocks allocated. */
+#if 0 /*def __USE_MISC*/
+    /* Nanosecond resolution timestamps are stored in a format
+       equivalent to 'struct timespec'.  This is the type used
+       whenever possible but the Unix namespace rules do not allow the
+       identifier 'timespec' to appear in the <sys/stat.h> header.
+       Therefore we have to handle the use of this header in strictly
+       standard-compliant sources special.  */
+    struct timespec st_atim;		/* Time of last access.  */
+    struct timespec st_mtim;		/* Time of last modification.  */
+    struct timespec st_ctim;		/* Time of last status change.  */
+#else
     __time_t st_atime;			/* Time of last access.  */
     unsigned long int st_atimensec;	/* Nscecs of last access.  */
     __time_t st_mtime;			/* Time of last modification.  */
     unsigned long int st_mtimensec;	/* Nsecs of last modification.  */
     __time_t st_ctime;			/* Time of last status change.  */
     unsigned long int st_ctimensec;	/* Nsecs of last status change.  */
+#endif
     __ino64_t st_ino;			/* File serial number.		*/
-};
+  };
 #endif
 
-
 /* Tell code we have these members.  */
 #define	_STATBUF_ST_BLKSIZE
 #define _STATBUF_ST_RDEV
@@ -137,6 +161,3 @@ struct stat64
 #define	__S_IREAD	0400	/* Read by owner.  */
 #define	__S_IWRITE	0200	/* Write by owner.  */
 #define	__S_IEXEC	0100	/* Execute by owner.  */
-
-#endif	/* _BITS_STAT_H */
-
diff --git a/libc/sysdeps/linux/common/bits/uClibc_local_lim.h b/libc/sysdeps/linux/common/bits/uClibc_local_lim.h
new file mode 100644
index 000000000..34575cb50
--- /dev/null
+++ b/libc/sysdeps/linux/common/bits/uClibc_local_lim.h
@@ -0,0 +1,32 @@
+/*
+ * 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_LOCAL_LIM_H
+#define	_BITS_UCLIBC_LOCAL_LIM_H	1
+
+/* This file works correctly only if local_lim.h is the NPTL version */
+#if !defined PTHREAD_KEYS_MAX || defined TIMER_MAX 
+# error local_lim.h was incorrectly updated, use the NPTL version from glibc
+#endif
+
+#if defined __UCLIBC_HAS_THREADS__
+# define PTHREAD_THREADS_MAX	16384
+# define TIMER_MAX		256
+#endif
+
+#ifndef __UCLIBC_HAS_THREADS__
+# undef _POSIX_THREAD_KEYS_MAX
+# undef PTHREAD_KEYS_MAX
+# undef _POSIX_THREAD_DESTRUCTOR_ITERATIONS
+# undef PTHREAD_DESTRUCTOR_ITERATIONS
+# undef PTHREAD_STACK_MIN
+# undef DELAYTIMER_MAX
+#endif
+
+#endif /* bits/uClibc_local_lim.h */
diff --git a/libc/sysdeps/linux/common/bits/waitstatus.h b/libc/sysdeps/linux/common/bits/waitstatus.h
index 982c9dbb2..699c22498 100644
--- a/libc/sysdeps/linux/common/bits/waitstatus.h
+++ b/libc/sysdeps/linux/common/bits/waitstatus.h
@@ -1,5 +1,5 @@
 /* Definitions of status bits for `wait' et al.
-   Copyright (C) 1992, 1994, 1996, 1997, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1992,1994,1996,1997,2000,2004 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
@@ -38,23 +38,25 @@
 #define	__WIFEXITED(status)	(__WTERMSIG(status) == 0)
 
 /* Nonzero if STATUS indicates termination by a signal.  */
-#ifdef	__GNUC__
-# define __WIFSIGNALED(status) \
-  (__extension__ ({ int __status = (status);				      \
-		    !__WIFSTOPPED(__status) && !__WIFEXITED(__status); }))
-#else	/* Not GCC.  */
-# define __WIFSIGNALED(status)	(!__WIFSTOPPED(status) && !__WIFEXITED(status))
-#endif	/* GCC.  */
+#define __WIFSIGNALED(status) \
+  (((signed char) (((status) & 0x7f) + 1) >> 1) > 0)
 
 /* Nonzero if STATUS indicates the child is stopped.  */
 #define	__WIFSTOPPED(status)	(((status) & 0xff) == 0x7f)
 
+/* Nonzero if STATUS indicates the child continued after a stop.  We only
+   define this if <bits/waitflags.h> provides the WCONTINUED flag bit.  */
+#ifdef WCONTINUED
+# define __WIFCONTINUED(status)	((status) == __W_CONTINUED)
+#endif
+
 /* Nonzero if STATUS indicates the child dumped core.  */
 #define	__WCOREDUMP(status)	((status) & __WCOREFLAG)
 
 /* Macros for constructing status values.  */
 #define	__W_EXITCODE(ret, sig)	((ret) << 8 | (sig))
 #define	__W_STOPCODE(sig)	((sig) << 8 | 0x7f)
+#define __W_CONTINUED		0xffff
 #define	__WCOREFLAG		0x80