Commit aeb16010f3

@@ -0,0 +1,7 @@
+#ifndef ____sigset_t_defined
+#define ____sigset_t_defined 1
+
+/* A `sigset_t' has a bit for each signal.  */
+typedef unsigned long int __sigset_t;
+
+#endif

@@ -0,0 +1,28 @@
+/* Sched parameter structure.  Generic version.
+   Copyright (C) 1996-2019 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
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_TYPES_STRUCT_SCHED_PARAM
+#define _BITS_TYPES_STRUCT_SCHED_PARAM 1
+
+/* Data structure to describe a process' schedulability.  */
+struct sched_param
+{
+  int sched_priority;
+};
+
+#endif /* bits/types/struct_sched_param.h */

@@ -0,0 +1,79 @@
+/* Macros and inline functions to swap the order of bytes in integer values.
+   Copyright (C) 1997-2019 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
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#if !defined _BYTESWAP_H && !defined _NETINET_IN_H && !defined _ENDIAN_H
+# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
+#endif
+
+#ifndef _BITS_BYTESWAP_H
+#define _BITS_BYTESWAP_H 1
+
+#include <features.h>
+#include <bits/types.h>
+
+/* Swap bytes in 16-bit value.  */
+#define __bswap_constant_16(x)					\
+  ((__uint16_t) ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8)))
+
+static __inline __uint16_t
+__bswap_16 (__uint16_t __bsx)
+{
+#if __GNUC_PREREQ (4, 8)
+  return __builtin_bswap16 (__bsx);
+#else
+  return __bswap_constant_16 (__bsx);
+#endif
+}
+
+/* Swap bytes in 32-bit value.  */
+#define __bswap_constant_32(x)					\
+  ((((x) & 0xff000000u) >> 24) | (((x) & 0x00ff0000u) >> 8)	\
+   | (((x) & 0x0000ff00u) << 8) | (((x) & 0x000000ffu) << 24))
+
+static __inline __uint32_t
+__bswap_32 (__uint32_t __bsx)
+{
+#if __GNUC_PREREQ (4, 3)
+  return __builtin_bswap32 (__bsx);
+#else
+  return __bswap_constant_32 (__bsx);
+#endif
+}
+
+/* Swap bytes in 64-bit value.  */
+#define __bswap_constant_64(x)			\
+  ((((x) & 0xff00000000000000ull) >> 56)	\
+   | (((x) & 0x00ff000000000000ull) >> 40)	\
+   | (((x) & 0x0000ff0000000000ull) >> 24)	\
+   | (((x) & 0x000000ff00000000ull) >> 8)	\
+   | (((x) & 0x00000000ff000000ull) << 8)	\
+   | (((x) & 0x0000000000ff0000ull) << 24)	\
+   | (((x) & 0x000000000000ff00ull) << 40)	\
+   | (((x) & 0x00000000000000ffull) << 56))
+
+__extension__ static __inline __uint64_t
+__bswap_64 (__uint64_t __bsx)
+{
+#if __GNUC_PREREQ (4, 3)
+  return __builtin_bswap64 (__bsx);
+#else
+  return __bswap_constant_64 (__bsx);
+#endif
+}
+
+#endif /* _BITS_BYTESWAP_H */

@@ -0,0 +1,13 @@
+/* This file should define __BYTE_ORDER as appropriate for the machine
+   in question.  See string/endian.h for how to define it.
+
+   If only the stub bits/endian.h applies to a particular configuration,
+   bytesex.h is generated by running a program on the host machine.
+   So if cross-compiling to a machine with a different byte order,
+   the bits/endian.h file for that machine must exist.  */
+
+#ifndef _ENDIAN_H
+# error "Never use <bits/endian.h> directly; include <endian.h> instead."
+#endif
+
+#error Machine byte order unknown.

@@ -0,0 +1,329 @@
+/* Macros to control TS 18661-3 glibc features where the same
+   definitions are appropriate for all platforms.
+   Copyright (C) 2017-2019 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
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_FLOATN_COMMON_H
+#define _BITS_FLOATN_COMMON_H
+
+#include <features.h>
+#include <bits/long-double.h>
+
+/* This header should be included at the bottom of each bits/floatn.h.
+   It defines the following macros for each _FloatN and _FloatNx type,
+   where the same definitions, or definitions based only on the macros
+   in bits/floatn.h, are appropriate for all glibc configurations.  */
+
+/* Defined to 1 if the current compiler invocation provides a
+   floating-point type with the right format for this type, and this
+   glibc includes corresponding *fN or *fNx interfaces for it.  */
+#define __HAVE_FLOAT16 0
+#define __HAVE_FLOAT32 1
+#define __HAVE_FLOAT64 1
+#define __HAVE_FLOAT32X 1
+#define __HAVE_FLOAT128X 0
+
+/* Defined to 1 if the corresponding __HAVE_<type> macro is 1 and the
+   type is the first with its format in the sequence of (the default
+   choices for) float, double, long double, _Float16, _Float32,
+   _Float64, _Float128, _Float32x, _Float64x, _Float128x for this
+   glibc; that is, if functions present once per floating-point format
+   rather than once per type are present for this type.
+
+   All configurations supported by glibc have _Float32 the same format
+   as float, _Float64 and _Float32x the same format as double, the
+   _Float64x the same format as either long double or _Float128.  No
+   configurations support _Float128x or, as of GCC 7, have compiler
+   support for a type meeting the requirements for _Float128x.  */
+#define __HAVE_DISTINCT_FLOAT16 __HAVE_FLOAT16
+#define __HAVE_DISTINCT_FLOAT32 0
+#define __HAVE_DISTINCT_FLOAT64 0
+#define __HAVE_DISTINCT_FLOAT32X 0
+#define __HAVE_DISTINCT_FLOAT64X 0
+#define __HAVE_DISTINCT_FLOAT128X __HAVE_FLOAT128X
+
+/* Defined to 1 if the corresponding _FloatN type is not binary compatible
+   with the corresponding ISO C type in the current compilation unit as
+   opposed to __HAVE_DISTINCT_FLOATN, which indicates the default types built
+   in glibc.  */
+#define __HAVE_FLOAT128_UNLIKE_LDBL (__HAVE_DISTINCT_FLOAT128	\
+				     && __LDBL_MANT_DIG__ != 113)
+
+/* Defined to 1 if any _FloatN or _FloatNx types that are not
+   ABI-distinct are however distinct types at the C language level (so
+   for the purposes of __builtin_types_compatible_p and _Generic).  */
+#if __GNUC_PREREQ (7, 0) && !defined __cplusplus
+# define __HAVE_FLOATN_NOT_TYPEDEF 1
+#else
+# define __HAVE_FLOATN_NOT_TYPEDEF 0
+#endif
+
+#ifndef __ASSEMBLER__
+
+/* Defined to concatenate the literal suffix to be used with _FloatN
+   or _FloatNx types, if __HAVE_<type> is 1.  The corresponding
+   literal suffixes exist since GCC 7, for C only.  */
+# if __HAVE_FLOAT16
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+/* No corresponding suffix available for this type.  */
+#   define __f16(x) ((_Float16) x##f)
+#  else
+#   define __f16(x) x##f16
+#  endif
+# endif
+
+# if __HAVE_FLOAT32
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+#   define __f32(x) x##f
+#  else
+#   define __f32(x) x##f32
+#  endif
+# endif
+
+# if __HAVE_FLOAT64
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+#   ifdef __NO_LONG_DOUBLE_MATH
+#    define __f64(x) x##l
+#   else
+#    define __f64(x) x
+#   endif
+#  else
+#   define __f64(x) x##f64
+#  endif
+# endif
+
+# if __HAVE_FLOAT32X
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+#   define __f32x(x) x
+#  else
+#   define __f32x(x) x##f32x
+#  endif
+# endif
+
+# if __HAVE_FLOAT64X
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+#   if __HAVE_FLOAT64X_LONG_DOUBLE
+#    define __f64x(x) x##l
+#   else
+#    define __f64x(x) __f128 (x)
+#   endif
+#  else
+#   define __f64x(x) x##f64x
+#  endif
+# endif
+
+# if __HAVE_FLOAT128X
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+#   error "_Float128X supported but no constant suffix"
+#  else
+#   define __f128x(x) x##f128x
+#  endif
+# endif
+
+/* Defined to a complex type if __HAVE_<type> is 1.  */
+# if __HAVE_FLOAT16
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+typedef _Complex float __cfloat16 __attribute__ ((__mode__ (__HC__)));
+#   define __CFLOAT16 __cfloat16
+#  else
+#   define __CFLOAT16 _Complex _Float16
+#  endif
+# endif
+
+# if __HAVE_FLOAT32
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+#   define __CFLOAT32 _Complex float
+#  else
+#   define __CFLOAT32 _Complex _Float32
+#  endif
+# endif
+
+# if __HAVE_FLOAT64
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+#   ifdef __NO_LONG_DOUBLE_MATH
+#    define __CFLOAT64 _Complex long double
+#   else
+#    define __CFLOAT64 _Complex double
+#   endif
+#  else
+#   define __CFLOAT64 _Complex _Float64
+#  endif
+# endif
+
+# if __HAVE_FLOAT32X
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+#   define __CFLOAT32X _Complex double
+#  else
+#   define __CFLOAT32X _Complex _Float32x
+#  endif
+# endif
+
+# if __HAVE_FLOAT64X
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+#   if __HAVE_FLOAT64X_LONG_DOUBLE
+#    define __CFLOAT64X _Complex long double
+#   else
+#    define __CFLOAT64X __CFLOAT128
+#   endif
+#  else
+#   define __CFLOAT64X _Complex _Float64x
+#  endif
+# endif
+
+# if __HAVE_FLOAT128X
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+#   error "_Float128X supported but no complex type"
+#  else
+#   define __CFLOAT128X _Complex _Float128x
+#  endif
+# endif
+
+/* The remaining of this file provides support for older compilers.  */
+# if __HAVE_FLOAT16
+
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+typedef float _Float16 __attribute__ ((__mode__ (__HF__)));
+#  endif
+
+#  if !__GNUC_PREREQ (7, 0)
+#   define __builtin_huge_valf16() ((_Float16) __builtin_huge_val ())
+#   define __builtin_inff16() ((_Float16) __builtin_inf ())
+#   define __builtin_nanf16(x) ((_Float16) __builtin_nan (x))
+#   define __builtin_nansf16(x) ((_Float16) __builtin_nans (x))
+#  endif
+
+# endif
+
+# if __HAVE_FLOAT32
+
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+typedef float _Float32;
+#  endif
+
+#  if !__GNUC_PREREQ (7, 0)
+#   define __builtin_huge_valf32() (__builtin_huge_valf ())
+#   define __builtin_inff32() (__builtin_inff ())
+#   define __builtin_nanf32(x) (__builtin_nanf (x))
+#   define __builtin_nansf32(x) (__builtin_nansf (x))
+#  endif
+
+# endif
+
+# if __HAVE_FLOAT64
+
+/* If double, long double and _Float64 all have the same set of
+   values, TS 18661-3 requires the usual arithmetic conversions on
+   long double and _Float64 to produce _Float64.  For this to be the
+   case when building with a compiler without a distinct _Float64
+   type, _Float64 must be a typedef for long double, not for
+   double.  */
+
+#  ifdef __NO_LONG_DOUBLE_MATH
+
+#   if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+typedef long double _Float64;
+#   endif
+
+#   if !__GNUC_PREREQ (7, 0)
+#    define __builtin_huge_valf64() (__builtin_huge_vall ())
+#    define __builtin_inff64() (__builtin_infl ())
+#    define __builtin_nanf64(x) (__builtin_nanl (x))
+#    define __builtin_nansf64(x) (__builtin_nansl (x))
+#   endif
+
+#  else
+
+#   if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+typedef double _Float64;
+#   endif
+
+#   if !__GNUC_PREREQ (7, 0)
+#    define __builtin_huge_valf64() (__builtin_huge_val ())
+#    define __builtin_inff64() (__builtin_inf ())
+#    define __builtin_nanf64(x) (__builtin_nan (x))
+#    define __builtin_nansf64(x) (__builtin_nans (x))
+#   endif
+
+#  endif
+
+# endif
+
+# if __HAVE_FLOAT32X
+
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+typedef double _Float32x;
+#  endif
+
+#  if !__GNUC_PREREQ (7, 0)
+#   define __builtin_huge_valf32x() (__builtin_huge_val ())
+#   define __builtin_inff32x() (__builtin_inf ())
+#   define __builtin_nanf32x(x) (__builtin_nan (x))
+#   define __builtin_nansf32x(x) (__builtin_nans (x))
+#  endif
+
+# endif
+
+# if __HAVE_FLOAT64X
+
+#  if __HAVE_FLOAT64X_LONG_DOUBLE
+
+#   if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+typedef long double _Float64x;
+#   endif
+
+#   if !__GNUC_PREREQ (7, 0)
+#    define __builtin_huge_valf64x() (__builtin_huge_vall ())
+#    define __builtin_inff64x() (__builtin_infl ())
+#    define __builtin_nanf64x(x) (__builtin_nanl (x))
+#    define __builtin_nansf64x(x) (__builtin_nansl (x))
+#   endif
+
+#  else
+
+#   if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+typedef _Float128 _Float64x;
+#   endif
+
+#   if !__GNUC_PREREQ (7, 0)
+#    define __builtin_huge_valf64x() (__builtin_huge_valf128 ())
+#    define __builtin_inff64x() (__builtin_inff128 ())
+#    define __builtin_nanf64x(x) (__builtin_nanf128 (x))
+#    define __builtin_nansf64x(x) (__builtin_nansf128 (x))
+#   endif
+
+#  endif
+
+# endif
+
+# if __HAVE_FLOAT128X
+
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+#   error "_Float128x supported but no type"
+#  endif
+
+#  if !__GNUC_PREREQ (7, 0)
+#   define __builtin_huge_valf128x() ((_Float128x) __builtin_huge_val ())
+#   define __builtin_inff128x() ((_Float128x) __builtin_inf ())
+#   define __builtin_nanf128x(x) ((_Float128x) __builtin_nan (x))
+#   define __builtin_nansf128x(x) ((_Float128x) __builtin_nans (x))
+#  endif
+
+# endif
+
+#endif /* !__ASSEMBLER__.  */
+
+#endif /* _BITS_FLOATN_COMMON_H */

@@ -0,0 +1,70 @@
+/* Handle feature test macros at the start of a header.
+   Copyright (C) 2016-2019 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
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* This header is internal to glibc and should not be included outside
+   of glibc headers.  Headers including it must define
+   __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION first.  This header
+   cannot have multiple include guards because ISO C feature test
+   macros depend on the definition of the macro when an affected
+   header is included, not when the first system header is
+   included.  */
+
+#ifndef __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION
+# error "Never include <bits/libc-header-start.h> directly."
+#endif
+
+#undef __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION
+
+#include <features.h>
+
+/* ISO/IEC TR 24731-2:2010 defines the __STDC_WANT_LIB_EXT2__
+   macro.  */
+#undef __GLIBC_USE_LIB_EXT2
+#if (defined __USE_GNU							\
+     || (defined __STDC_WANT_LIB_EXT2__ && __STDC_WANT_LIB_EXT2__ > 0))
+# define __GLIBC_USE_LIB_EXT2 1
+#else
+# define __GLIBC_USE_LIB_EXT2 0
+#endif
+
+/* ISO/IEC TS 18661-1:2014 defines the __STDC_WANT_IEC_60559_BFP_EXT__
+   macro.  */
+#undef __GLIBC_USE_IEC_60559_BFP_EXT
+#if defined __USE_GNU || defined __STDC_WANT_IEC_60559_BFP_EXT__
+# define __GLIBC_USE_IEC_60559_BFP_EXT 1
+#else
+# define __GLIBC_USE_IEC_60559_BFP_EXT 0
+#endif
+
+/* ISO/IEC TS 18661-4:2015 defines the
+   __STDC_WANT_IEC_60559_FUNCS_EXT__ macro.  */
+#undef __GLIBC_USE_IEC_60559_FUNCS_EXT
+#if defined __USE_GNU || defined __STDC_WANT_IEC_60559_FUNCS_EXT__
+# define __GLIBC_USE_IEC_60559_FUNCS_EXT 1
+#else
+# define __GLIBC_USE_IEC_60559_FUNCS_EXT 0
+#endif
+
+/* ISO/IEC TS 18661-3:2015 defines the
+   __STDC_WANT_IEC_60559_TYPES_EXT__ macro.  */
+#undef __GLIBC_USE_IEC_60559_TYPES_EXT
+#if defined __USE_GNU || defined __STDC_WANT_IEC_60559_TYPES_EXT__
+# define __GLIBC_USE_IEC_60559_TYPES_EXT 1
+#else
+# define __GLIBC_USE_IEC_60559_TYPES_EXT 0
+#endif

@@ -0,0 +1,39 @@
+/* Properties of long double type.
+   Copyright (C) 2016-2019 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
+   modify it under the terms of the GNU Lesser General Public
+   License  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, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* This header is included by <sys/cdefs.h>.
+
+   If long double is ABI-compatible with double, it should define
+   __NO_LONG_DOUBLE_MATH to 1; otherwise, it should leave
+   __NO_LONG_DOUBLE_MATH undefined.
+
+   If this build of the GNU C Library supports both long double
+   ABI-compatible with double and some other long double format not
+   ABI-compatible with double, it should define
+   __LONG_DOUBLE_MATH_OPTIONAL to 1; otherwise, it should leave
+   __LONG_DOUBLE_MATH_OPTIONAL undefined.
+
+   If __NO_LONG_DOUBLE_MATH is already defined, this header must not
+   define anything; this is needed to work with the definition of
+   __NO_LONG_DOUBLE_MATH in nldbl-compat.h.  */
+
+/* In the default version of this header, long double is
+   ABI-compatible with double.  */
+#ifndef __NO_LONG_DOUBLE_MATH
+# define __NO_LONG_DOUBLE_MATH	1
+#endif

@@ -0,0 +1,33 @@
+/* Old-style Unix parameters and limits.  Stub version.
+   Copyright (C) 1995-2019 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
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_PARAM_H
+# error "Never use <bits/param.h> directly; include <sys/param.h> instead."
+#endif
+
+/* This header is expected to define a few particular macros.
+
+   The traditional BSD macros that correspond directly to POSIX <limits.h>
+   macros don't need to be defined here if <bits/local_lim.h> defines the
+   POSIX limit macro, as the common <sys/param.h> code will define each
+   traditional name to its POSIX name if available.
+
+   This file should define at least:
+
+        EXEC_PAGESIZE
+*/

@@ -0,0 +1,1 @@
+/* No thread support.  */

@@ -0,0 +1,34 @@
+/* Definitions of constants and data structure for POSIX 1003.1b-1993
+   scheduling interface.
+   Copyright (C) 1996-2019 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
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_SCHED_H
+#define _BITS_SCHED_H 1
+
+#ifndef _SCHED_H
+# error "Never include <bits/sched.h> directly; use <sched.h> instead."
+#endif
+
+/* Scheduling algorithms.  */
+#define SCHED_OTHER	0
+#define SCHED_FIFO	1
+#define SCHED_RR	2
+
+#include <bits/types/struct_sched_param.h>
+
+#endif /* bits/sched.h */

@@ -0,0 +1,37 @@
+/* Copyright (C) 1997-2019 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
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_SELECT_H
+# error "Never use <bits/select.h> directly; include <sys/select.h> instead."
+#endif
+
+
+/* We don't use `memset' because this would require a prototype and
+   the array isn't too big.  */
+#define __FD_ZERO(s) \
+  do {									      \
+    unsigned int __i;							      \
+    fd_set *__arr = (s);						      \
+    for (__i = 0; __i < sizeof (fd_set) / sizeof (__fd_mask); ++__i)	      \
+      __FDS_BITS (__arr)[__i] = 0;					      \
+  } while (0)
+#define __FD_SET(d, s) \
+  ((void) (__FDS_BITS (s)[__FD_ELT(d)] |= __FD_MASK(d)))
+#define __FD_CLR(d, s) \
+  ((void) (__FDS_BITS (s)[__FD_ELT(d)] &= ~__FD_MASK(d)))
+#define __FD_ISSET(d, s) \
+  ((__FDS_BITS (s)[__FD_ELT (d)] & __FD_MASK (d)) != 0)

@@ -0,0 +1,7 @@
+/* Define the machine-dependent type `jmp_buf'.  Stub version.  */
+
+#ifndef _SETJMP_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+typedef int __jmp_buf[1];

@@ -0,0 +1,102 @@
+/* Signal number constants.  Generic template.
+   Copyright (C) 1991-2019 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
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef	_BITS_SIGNUM_GENERIC_H
+#define _BITS_SIGNUM_GENERIC_H 1
+
+#ifndef _SIGNAL_H
+#error "Never include <bits/signum-generic.h> directly; use <signal.h> instead."
+#endif
+
+/* Fake signal functions.  */
+
+#define	SIG_ERR	 ((__sighandler_t) -1)	/* Error return.  */
+#define	SIG_DFL	 ((__sighandler_t)  0)	/* Default action.  */
+#define	SIG_IGN	 ((__sighandler_t)  1)	/* Ignore signal.  */
+
+#ifdef __USE_XOPEN
+# define SIG_HOLD ((__sighandler_t) 2)	/* Add signal to hold mask.  */
+#endif
+
+/* We define here all the signal names listed in POSIX (1003.1-2008);
+   as of 1003.1-2013, no additional signals have been added by POSIX.
+   We also define here signal names that historically exist in every
+   real-world POSIX variant (e.g. SIGWINCH).
+
+   Signals in the 1-15 range are defined with their historical numbers.
+   For other signals, we use the BSD numbers.
+   There are two unallocated signal numbers in the 1-31 range: 7 and 29.
+   Signal number 0 is reserved for use as kill(pid, 0), to test whether
+   a process exists without sending it a signal.  */
+
+/* ISO C99 signals.  */
+#define	SIGINT		2	/* Interactive attention signal.  */
+#define	SIGILL		4	/* Illegal instruction.  */
+#define	SIGABRT		6	/* Abnormal termination.  */
+#define	SIGFPE		8	/* Erroneous arithmetic operation.  */
+#define	SIGSEGV		11	/* Invalid access to storage.  */
+#define	SIGTERM		15	/* Termination request.  */
+
+/* Historical signals specified by POSIX. */
+#define	SIGHUP		1	/* Hangup.  */
+#define	SIGQUIT		3	/* Quit.  */
+#define	SIGTRAP		5	/* Trace/breakpoint trap.  */
+#define	SIGKILL		9	/* Killed.  */
+#define SIGBUS		10	/* Bus error.  */
+#define	SIGSYS		12	/* Bad system call.  */
+#define	SIGPIPE		13	/* Broken pipe.  */
+#define	SIGALRM		14	/* Alarm clock.  */
+
+/* New(er) POSIX signals (1003.1-2008, 1003.1-2013).  */
+#define	SIGURG		16	/* Urgent data is available at a socket.  */
+#define	SIGSTOP		17	/* Stop, unblockable.  */
+#define	SIGTSTP		18	/* Keyboard stop.  */
+#define	SIGCONT		19	/* Continue.  */
+#define	SIGCHLD		20	/* Child terminated or stopped.  */
+#define	SIGTTIN		21	/* Background read from control terminal.  */
+#define	SIGTTOU		22	/* Background write to control terminal.  */
+#define	SIGPOLL		23	/* Pollable event occurred (System V).  */
+#define	SIGXCPU		24	/* CPU time limit exceeded.  */
+#define	SIGXFSZ		25	/* File size limit exceeded.  */
+#define	SIGVTALRM	26	/* Virtual timer expired.  */
+#define	SIGPROF		27	/* Profiling timer expired.  */
+#define	SIGUSR1		30	/* User-defined signal 1.  */
+#define	SIGUSR2		31	/* User-defined signal 2.  */
+
+/* Nonstandard signals found in all modern POSIX systems
+   (including both BSD and Linux).  */
+#define	SIGWINCH	28	/* Window size change (4.3 BSD, Sun).  */
+
+/* Archaic names for compatibility.  */
+#define	SIGIO		SIGPOLL	/* I/O now possible (4.2 BSD).  */
+#define	SIGIOT		SIGABRT	/* IOT instruction, abort() on a PDP-11.  */
+#define	SIGCLD		SIGCHLD	/* Old System V name */
+
+/* Not all systems support real-time signals.  bits/signum.h indicates
+   that they are supported by overriding __SIGRTMAX to a value greater
+   than __SIGRTMIN.  These constants give the kernel-level hard limits,
+   but some real-time signals may be used internally by glibc.  Do not
+   use these constants in application code; use SIGRTMIN and SIGRTMAX
+   (defined in signal.h) instead.  */
+#define __SIGRTMIN	32
+#define __SIGRTMAX	__SIGRTMIN
+
+/* Biggest signal number + 1 (including real-time signals).  */
+#define _NSIG		(__SIGRTMAX + 1)
+
+#endif /* bits/signum-generic.h.  */

@@ -0,0 +1,32 @@
+/* Signal number constants.  Generic version.
+   Copyright (C) 2017-2019 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
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_SIGNUM_H
+#define _BITS_SIGNUM_H 1
+
+#ifndef _SIGNAL_H
+#error "Never include <bits/signum.h> directly; use <signal.h> instead."
+#endif
+
+#include <bits/signum-generic.h>
+
+/* This operating system does not need to override any of the generic
+   signal number assignments in bits/signum-generic.h, nor to add any
+   additional signal constants.  */
+
+#endif /* bits/signum.h.  */

@@ -0,0 +1,103 @@
+/* Copyright (C) 1992-2019 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
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#if !defined _SYS_STAT_H && !defined _FCNTL_H
+# error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
+#endif
+
+#ifndef _BITS_STAT_H
+#define _BITS_STAT_H	1
+
+/* This structure needs to be defined in accordance with the
+   implementation of __stat, __fstat, and __lstat.  */
+
+#include <bits/types.h>
+
+/* Structure describing file characteristics.  */
+struct stat
+  {
+    /* These are the members that POSIX.1 requires.  */
+
+    __mode_t st_mode;		/* File mode.  */
+#ifndef __USE_FILE_OFFSET64
+    __ino_t st_ino;		/* File serial number.  */
+#else
+    __ino64_t st_ino;		/* File serial number.	*/
+#endif
+    __dev_t st_dev;		/* Device containing the file.  */
+    __nlink_t st_nlink;		/* Link count.  */
+
+    __uid_t st_uid;		/* User ID of the file's owner.  */
+    __gid_t st_gid;		/* Group ID of the file's group.  */
+#ifndef __USE_FILE_OFFSET64
+    __off_t st_size;		/* Size of file, in bytes.  */
+#else
+    __off64_t st_size;		/* Size of file, in bytes.  */
+#endif
+
+    __time_t st_atime;		/* Time of last access.  */
+    __time_t st_mtime;		/* Time of last modification.  */
+    __time_t st_ctime;		/* Time of last status change.  */
+
+    /* This should be defined if there is a `st_blksize' member.  */
+#undef	_STATBUF_ST_BLKSIZE
+  };
+
+/* Encoding of the file mode.  These are the standard Unix values,
+   but POSIX.1 does not specify what values should be used.  */
+
+#define	__S_IFMT	0170000	/* These bits determine file type.  */
+
+/* File types.  */
+#define	__S_IFDIR	0040000	/* Directory.  */
+#define	__S_IFCHR	0020000	/* Character device.  */
+#define	__S_IFBLK	0060000	/* Block device.  */
+#define	__S_IFREG	0100000	/* Regular file.  */
+#define	__S_IFIFO	0010000	/* FIFO.  */
+
+/* POSIX.1b objects.  */
+#define __S_TYPEISMQ(buf) 0
+#define __S_TYPEISSEM(buf) 0
+#define __S_TYPEISSHM(buf) 0
+
+/* Protection bits.  */
+
+#define	__S_ISUID	04000	/* Set user ID on execution.  */
+#define	__S_ISGID	02000	/* Set group ID on execution.  */
+#define	__S_IREAD	0400	/* Read by owner.  */
+#define	__S_IWRITE	0200	/* Write by owner.  */
+#define	__S_IEXEC	0100	/* Execute by owner.  */
+
+#ifdef __USE_LARGEFILE64
+struct stat64
+  {
+    __mode_t st_mode;		/* File mode.  */
+    __ino64_t st_ino;		/* File serial number.	*/
+    __dev_t st_dev;		/* Device.  */
+    __nlink_t st_nlink;		/* Link count.  */
+
+    __uid_t st_uid;		/* User ID of the file's owner.	*/
+    __gid_t st_gid;		/* Group ID of the file's group.*/
+    __off64_t st_size;		/* Size of file, in bytes.  */
+
+    __time_t st_atime;		/* Time of last access.  */
+    __time_t st_mtime;		/* Time of last modification.  */
+    __time_t st_ctime;		/* Time of last status change.  */
+  };
+#endif
+
+#endif	/* bits/stat.h */

@@ -0,0 +1,29 @@
+/* Define intN_t types.
+   Copyright (C) 2017-2019 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
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_STDINT_INTN_H
+#define _BITS_STDINT_INTN_H	1
+
+#include <bits/types.h>
+
+typedef __int8_t int8_t;
+typedef __int16_t int16_t;
+typedef __int32_t int32_t;
+typedef __int64_t int64_t;
+
+#endif /* bits/stdint-intn.h */

@@ -0,0 +1,43 @@
+/* Perform binary search - inline version.
+   Copyright (C) 1991-2019 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
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+__extern_inline void *
+bsearch (const void *__key, const void *__base, size_t __nmemb, size_t __size,
+	 __compar_fn_t __compar)
+{
+  size_t __l, __u, __idx;
+  const void *__p;
+  int __comparison;
+
+  __l = 0;
+  __u = __nmemb;
+  while (__l < __u)
+    {
+      __idx = (__l + __u) / 2;
+      __p = (void *) (((const char *) __base) + (__idx * __size));
+      __comparison = (*__compar) (__key, __p);
+      if (__comparison < 0)
+	__u = __idx;
+      else if (__comparison > 0)
+	__l = __idx + 1;
+      else
+	return (void *) __p;
+    }
+
+  return NULL;
+}

@@ -0,0 +1,64 @@
+/* System-dependent timing definitions.  Generic version.
+   Copyright (C) 1996-2019 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
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+/*
+ * Never include this file directly; use <time.h> instead.
+ */
+
+#ifndef _BITS_TIME_H
+#define _BITS_TIME_H	1
+
+#include <bits/types.h>
+
+/* ISO/IEC 9899:1999 7.23.1: Components of time
+   The macro `CLOCKS_PER_SEC' is an expression with type `clock_t' that is
+   the number per second of the value returned by the `clock' function.  */
+/* CAE XSH, Issue 4, Version 2: <time.h>
+   The value of CLOCKS_PER_SEC is required to be 1 million on all
+   XSI-conformant systems. */
+#define CLOCKS_PER_SEC  ((__clock_t) 1000000)
+
+#if (!defined __STRICT_ANSI__ || defined __USE_POSIX) \
+   && !defined __USE_XOPEN2K
+/* Even though CLOCKS_PER_SEC has such a strange value CLK_TCK
+   presents the real value for clock ticks per second for the system.  */
+extern long int __sysconf (int);
+# define CLK_TCK ((__clock_t) __sysconf (2))	/* 2 is _SC_CLK_TCK */
+#endif
+
+#ifdef __USE_POSIX199309
+/* Identifier for system-wide realtime clock.  */
+# define CLOCK_REALTIME			0
+/* Monotonic system-wide clock.  */
+# define CLOCK_MONOTONIC		1
+/* High-resolution timer from the CPU.  */
+# define CLOCK_PROCESS_CPUTIME_ID	2
+/* Thread-specific CPU-time clock.  */
+# define CLOCK_THREAD_CPUTIME_ID	3
+/* Monotonic system-wide clock, not adjusted for frequency scaling.  */
+# define CLOCK_MONOTONIC_RAW		4
+/* Identifier for system-wide realtime clock, updated only on ticks.  */
+# define CLOCK_REALTIME_COARSE		5
+/* Monotonic system-wide clock, updated only on ticks.  */
+# define CLOCK_MONOTONIC_COARSE		6
+
+/* Flag to indicate time is absolute.  */
+# define TIMER_ABSTIME			1
+#endif
+
+#endif	/* bits/time.h */

@@ -0,0 +1,36 @@
+/* bits/time64.h -- underlying types for __time64_t.  Generic version.
+   Copyright (C) 2018-2019 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
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_TYPES_H
+# error "Never include <bits/time64.h> directly; use <sys/types.h> instead."
+#endif
+
+#ifndef	_BITS_TIME64_H
+#define	_BITS_TIME64_H	1
+
+/* Define __TIME64_T_TYPE so that it is always a 64-bit type.  */
+
+#if __TIMESIZE == 64
+/* If we already have 64-bit time type then use it.  */
+# define __TIME64_T_TYPE		__TIME_T_TYPE
+#else
+/* Define a 64-bit time type alongsize the 32-bit one.  */
+# define __TIME64_T_TYPE		__SQUAD_TYPE
+#endif
+
+#endif /* bits/time64.h */