diff options
Diffstat (limited to 'misc/sys')
| -rw-r--r-- | misc/sys/auxv.h | 2 | ||||
| -rw-r--r-- | misc/sys/cdefs.h | 147 | ||||
| -rw-r--r-- | misc/sys/dir.h | 2 | ||||
| -rw-r--r-- | misc/sys/file.h | 2 | ||||
| -rw-r--r-- | misc/sys/ioctl.h | 2 | ||||
| -rw-r--r-- | misc/sys/mman.h | 2 | ||||
| -rw-r--r-- | misc/sys/param.h | 2 | ||||
| -rw-r--r-- | misc/sys/select.h | 21 | ||||
| -rw-r--r-- | misc/sys/sysmacros.h | 64 | ||||
| -rw-r--r-- | misc/sys/uio.h | 61 | ||||
| -rw-r--r-- | misc/sys/ustat.h | 37 | ||||
| -rw-r--r-- | misc/sys/xattr.h | 2 |
12 files changed, 239 insertions, 105 deletions
diff --git a/misc/sys/auxv.h b/misc/sys/auxv.h index 73d48916d7..0d75a1d1cc 100644 --- a/misc/sys/auxv.h +++ b/misc/sys/auxv.h @@ -1,5 +1,5 @@ /* Access to the auxiliary vector. - Copyright (C) 2012-2016 Free Software Foundation, Inc. + Copyright (C) 2012-2018 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 diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h index 7fd41549db..3f6fe3cc85 100644 --- a/misc/sys/cdefs.h +++ b/misc/sys/cdefs.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1992-2016 Free Software Foundation, Inc. +/* Copyright (C) 1992-2018 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 @@ -55,21 +55,29 @@ # define __THROW __attribute__ ((__nothrow__ __LEAF)) # define __THROWNL __attribute__ ((__nothrow__)) # define __NTH(fct) __attribute__ ((__nothrow__ __LEAF)) fct +# define __NTHNL(fct) __attribute__ ((__nothrow__)) fct # else # if defined __cplusplus && __GNUC_PREREQ (2,8) # define __THROW throw () # define __THROWNL throw () # define __NTH(fct) __LEAF_ATTR fct throw () +# define __NTHNL(fct) fct throw () # else # define __THROW # define __THROWNL # define __NTH(fct) fct +# define __NTHNL(fct) fct # endif # endif #else /* Not GCC. */ -# define __inline /* No inline functions. */ +# if (defined __cplusplus \ + || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L)) +# define __inline inline +# else +# define __inline /* No inline functions. */ +# endif # define __THROW # define __THROWNL @@ -77,6 +85,15 @@ #endif /* GCC. */ +/* Compilers that are not clang may object to + #if defined __clang__ && __has_extension(...) + even though they do not need to evaluate the right-hand side of the &&. */ +#if defined __clang__ && defined __has_extension +# define __glibc_clang_has_extension(ext) __has_extension (ext) +#else +# define __glibc_clang_has_extension(ext) 0 +#endif + /* These two macros are not used in glibc anymore. They are kept here only because some other projects expect the macros to be defined. */ #define __P(args) args @@ -90,7 +107,6 @@ /* This is not a typedef so `const __ptr_t' does the right thing. */ #define __ptr_t void * -#define __long_double_t long double /* C++ needs to know that types and declarations are C, not C++. */ @@ -103,31 +119,6 @@ #endif -/* The standard library needs the functions from the ISO C90 standard - in the std namespace. At the same time we want to be safe for - future changes and we include the ISO C99 code in the non-standard - namespace __c99. The C++ wrapper header take case of adding the - definitions to the global namespace. */ -#if defined __cplusplus && defined _GLIBCPP_USE_NAMESPACES -# define __BEGIN_NAMESPACE_STD namespace std { -# define __END_NAMESPACE_STD } -# define __USING_NAMESPACE_STD(name) using std::name; -# define __BEGIN_NAMESPACE_C99 namespace __c99 { -# define __END_NAMESPACE_C99 } -# define __USING_NAMESPACE_C99(name) using __c99::name; -#else -/* For compatibility we do not add the declarations into any - namespace. They will end up in the global namespace which is what - old code expects. */ -# define __BEGIN_NAMESPACE_STD -# define __END_NAMESPACE_STD -# define __USING_NAMESPACE_STD(name) -# define __BEGIN_NAMESPACE_C99 -# define __END_NAMESPACE_C99 -# define __USING_NAMESPACE_C99(name) -#endif - - /* Fortify support. */ #define __bos(ptr) __builtin_object_size (ptr, __USE_FORTIFY_LEVEL > 1) #define __bos0(ptr) __builtin_object_size (ptr, 0) @@ -144,21 +135,27 @@ # define __errordecl(name, msg) extern void name (void) #endif -/* Support for flexible arrays. */ -#if __GNUC_PREREQ (2,97) -/* GCC 2.97 supports C99 flexible array members. */ +/* Support for flexible arrays. + Headers that should use flexible arrays only if they're "real" + (e.g. only if they won't affect sizeof()) should test + #if __glibc_c99_flexarr_available. */ +#if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L +# define __flexarr [] +# define __glibc_c99_flexarr_available 1 +#elif __GNUC_PREREQ (2,97) +/* GCC 2.97 supports C99 flexible array members as an extension, + even when in C89 mode or compiling C++ (any version). */ # define __flexarr [] +# define __glibc_c99_flexarr_available 1 +#elif defined __GNUC__ +/* Pre-2.97 GCC did not support C99 flexible arrays but did have + an equivalent extension with slightly different notation. */ +# define __flexarr [0] +# define __glibc_c99_flexarr_available 1 #else -# ifdef __GNUC__ -# define __flexarr [0] -# else -# if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L -# define __flexarr [] -# else /* Some other non-C99 compiler. Approximate with [1]. */ -# define __flexarr [1] -# endif -# endif +# define __flexarr [1] +# define __glibc_c99_flexarr_available 0 #endif @@ -249,13 +246,24 @@ # define __attribute_noinline__ /* Ignore */ #endif -/* gcc allows marking deprecated functions. */ +/* Since version 3.2, gcc allows marking deprecated functions. */ #if __GNUC_PREREQ (3,2) # define __attribute_deprecated__ __attribute__ ((__deprecated__)) #else # define __attribute_deprecated__ /* Ignore */ #endif +/* Since version 4.5, gcc also allows one to specify the message printed + when a deprecated function is used. clang claims to be gcc 4.2, but + may also support this feature. */ +#if __GNUC_PREREQ (4,5) || \ + __glibc_clang_has_extension (__attribute_deprecated_with_message__) +# define __attribute_deprecated_msg__(msg) \ + __attribute__ ((__deprecated__ (msg))) +#else +# define __attribute_deprecated_msg__(msg) __attribute_deprecated__ +#endif + /* At some point during the gcc 2.8 development the `format_arg' attribute for functions was introduced. We don't want to use it unconditionally (although this would be possible) since it generates warnings. @@ -304,8 +312,13 @@ /* Forces a function to be always inlined. */ #if __GNUC_PREREQ (3,2) +/* The Linux kernel defines __always_inline in stddef.h (283d7573), and + it conflicts with this definition. Therefore undefine it first to + allow either header to be included first. */ +# undef __always_inline # define __always_inline __inline __attribute__ ((__always_inline__)) #else +# undef __always_inline # define __always_inline __inline #endif @@ -360,7 +373,11 @@ /* __restrict is known in EGCS 1.2 and above. */ #if !__GNUC_PREREQ (2,92) -# define __restrict /* Ignore */ +# if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L +# define __restrict restrict +# else +# define __restrict /* Ignore */ +# endif #endif /* ISO C99 also allows to declare arrays as non-overlapping. The syntax is @@ -389,6 +406,12 @@ # define __glibc_likely(cond) (cond) #endif +#ifdef __has_attribute +# define __glibc_has_attribute(attr) __has_attribute (attr) +#else +# define __glibc_has_attribute(attr) 0 +#endif + #if (!defined _Noreturn \ && (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) < 201112 \ && !__GNUC_PREREQ (4,7)) @@ -399,6 +422,15 @@ # endif #endif +#if __GNUC_PREREQ (8, 0) +/* Describes a char array whose address can safely be passed as the first + argument to strncpy and strncat, as the char array is not necessarily + a NUL-terminated string. */ +# define __attribute_nonstring__ __attribute__ ((__nonstring__)) +#else +# define __attribute_nonstring__ +#endif + #if (!defined _Static_assert && !defined __cplusplus \ && (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) < 201112 \ && (!__GNUC_PREREQ (4, 6) || defined __STRICT_ANSI__)) @@ -408,6 +440,7 @@ #endif #include <bits/wordsize.h> +#include <bits/long-double.h> #if defined __LONG_DOUBLE_MATH_OPTIONAL && defined __NO_LONG_DOUBLE_MATH # define __LDBL_COMPAT 1 @@ -441,4 +474,34 @@ # endif #endif +/* __glibc_macro_warning (MESSAGE) issues warning MESSAGE. This is + intended for use in preprocessor macros. + + Note: MESSAGE must be a _single_ string; concatenation of string + literals is not supported. */ +#if __GNUC_PREREQ (4,8) || __glibc_clang_prereq (3,5) +# define __glibc_macro_warning1(message) _Pragma (#message) +# define __glibc_macro_warning(message) \ + __glibc_macro_warning1 (GCC warning message) +#else +# define __glibc_macro_warning(msg) +#endif + +/* Generic selection (ISO C11) is a C-only feature, available in GCC + since version 4.9. Previous versions do not provide generic + selection, even though they might set __STDC_VERSION__ to 201112L, + when in -std=c11 mode. Thus, we must check for !defined __GNUC__ + when testing __STDC_VERSION__ for generic selection support. + On the other hand, Clang also defines __GNUC__, so a clang-specific + check is required to enable the use of generic selection. */ +#if !defined __cplusplus \ + && (__GNUC_PREREQ (4, 9) \ + || __glibc_clang_has_extension (c_generic_selections) \ + || (!defined __GNUC__ && defined __STDC_VERSION__ \ + && __STDC_VERSION__ >= 201112L)) +# define __HAVE_GENERIC_SELECTION 1 +#else +# define __HAVE_GENERIC_SELECTION 0 +#endif + #endif /* sys/cdefs.h */ diff --git a/misc/sys/dir.h b/misc/sys/dir.h index 73b04bf4c6..c4dbfcce71 100644 --- a/misc/sys/dir.h +++ b/misc/sys/dir.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1991-2016 Free Software Foundation, Inc. +/* Copyright (C) 1991-2018 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 diff --git a/misc/sys/file.h b/misc/sys/file.h index 133e969dfc..86abfa18de 100644 --- a/misc/sys/file.h +++ b/misc/sys/file.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1991-2016 Free Software Foundation, Inc. +/* Copyright (C) 1991-2018 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 diff --git a/misc/sys/ioctl.h b/misc/sys/ioctl.h index 4bc5a1a976..49f7ff1294 100644 --- a/misc/sys/ioctl.h +++ b/misc/sys/ioctl.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1991-2016 Free Software Foundation, Inc. +/* Copyright (C) 1991-2018 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 diff --git a/misc/sys/mman.h b/misc/sys/mman.h index a7879eafd3..12e1b069d6 100644 --- a/misc/sys/mman.h +++ b/misc/sys/mman.h @@ -1,5 +1,5 @@ /* Definitions for BSD-style memory management. - Copyright (C) 1994-2016 Free Software Foundation, Inc. + Copyright (C) 1994-2018 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 diff --git a/misc/sys/param.h b/misc/sys/param.h index 7e0e331450..359bc96056 100644 --- a/misc/sys/param.h +++ b/misc/sys/param.h @@ -1,5 +1,5 @@ /* Compatibility header for old-style Unix parameters and limits. - Copyright (C) 1995-2016 Free Software Foundation, Inc. + Copyright (C) 1995-2018 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 diff --git a/misc/sys/select.h b/misc/sys/select.h index b852dac2d8..6dd0c83227 100644 --- a/misc/sys/select.h +++ b/misc/sys/select.h @@ -1,5 +1,5 @@ /* `fd_set' type and related macros, and `select'/`pselect' declarations. - Copyright (C) 1996-2016 Free Software Foundation, Inc. + Copyright (C) 1996-2018 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 @@ -29,20 +29,15 @@ /* Get __FD_* definitions. */ #include <bits/select.h> -/* Get __sigset_t. */ -#include <bits/sigset.h> - -#ifndef __sigset_t_defined -# define __sigset_t_defined -typedef __sigset_t sigset_t; -#endif +/* Get sigset_t. */ +#include <bits/types/sigset_t.h> /* Get definition of timer specification structures. */ -#define __need_time_t -#define __need_timespec -#include <time.h> -#define __need_timeval -#include <bits/time.h> +#include <bits/types/time_t.h> +#include <bits/types/struct_timeval.h> +#ifdef __USE_XOPEN2K +# include <bits/types/struct_timespec.h> +#endif #ifndef __suseconds_t_defined typedef __suseconds_t suseconds_t; diff --git a/misc/sys/sysmacros.h b/misc/sys/sysmacros.h new file mode 100644 index 0000000000..699e03865f --- /dev/null +++ b/misc/sys/sysmacros.h @@ -0,0 +1,64 @@ +/* Definitions of macros to access `dev_t' values. + Copyright (C) 1996-2018 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_SYSMACROS_H +#define _SYS_SYSMACROS_H 1 + +#include <features.h> +#include <bits/types.h> +#include <bits/sysmacros.h> + +#define __SYSMACROS_DECL_TEMPL(rtype, name, proto) \ + extern rtype gnu_dev_##name proto __THROW __attribute_const__; + +#define __SYSMACROS_IMPL_TEMPL(rtype, name, proto) \ + __extension__ __extern_inline __attribute_const__ rtype \ + __NTH (gnu_dev_##name proto) + +__BEGIN_DECLS + +__SYSMACROS_DECLARE_MAJOR (__SYSMACROS_DECL_TEMPL) +__SYSMACROS_DECLARE_MINOR (__SYSMACROS_DECL_TEMPL) +__SYSMACROS_DECLARE_MAKEDEV (__SYSMACROS_DECL_TEMPL) + +#ifdef __USE_EXTERN_INLINES + +__SYSMACROS_DEFINE_MAJOR (__SYSMACROS_IMPL_TEMPL) +__SYSMACROS_DEFINE_MINOR (__SYSMACROS_IMPL_TEMPL) +__SYSMACROS_DEFINE_MAKEDEV (__SYSMACROS_IMPL_TEMPL) + +#endif + +__END_DECLS + +#ifndef __SYSMACROS_NEED_IMPLEMENTATION +# undef __SYSMACROS_DECL_TEMPL +# undef __SYSMACROS_IMPL_TEMPL +# undef __SYSMACROS_DECLARE_MAJOR +# undef __SYSMACROS_DECLARE_MINOR +# undef __SYSMACROS_DECLARE_MAKEDEV +# undef __SYSMACROS_DEFINE_MAJOR +# undef __SYSMACROS_DEFINE_MINOR +# undef __SYSMACROS_DEFINE_MAKEDEV +#endif + +#define major(dev) gnu_dev_major (dev) +#define minor(dev) gnu_dev_minor (dev) +#define makedev(maj, min) gnu_dev_makedev (maj, min) + +#endif /* sys/sysmacros.h */ diff --git a/misc/sys/uio.h b/misc/sys/uio.h index 2c98077c57..ff586c7b16 100644 --- a/misc/sys/uio.h +++ b/misc/sys/uio.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1991-2016 Free Software Foundation, Inc. +/* Copyright (C) 1991-2018 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 @@ -19,15 +19,17 @@ #define _SYS_UIO_H 1 #include <features.h> - #include <sys/types.h> +#include <bits/types/struct_iovec.h> +#include <bits/uio_lim.h> +#ifdef __IOV_MAX +# define UIO_MAXIOV __IOV_MAX +#else +# undef UIO_MAXIOV +#endif __BEGIN_DECLS -/* This file defines `struct iovec'. */ -#include <bits/uio.h> - - /* Read data from file descriptor FD, and put the result in the buffers described by IOVEC, which is a vector of COUNT 'struct iovec's. The buffers are filled in the order specified. @@ -76,6 +78,7 @@ extern ssize_t preadv (int __fd, const struct iovec *__iovec, int __count, __THROW. */ extern ssize_t pwritev (int __fd, const struct iovec *__iovec, int __count, __off_t __offset) __wur; + # else # ifdef __REDIRECT extern ssize_t __REDIRECT (preadv, (int __fd, const struct iovec *__iovec, @@ -117,6 +120,52 @@ extern ssize_t pwritev64 (int __fd, const struct iovec *__iovec, int __count, # endif #endif /* Use misc. */ + +#ifdef __USE_GNU +# ifndef __USE_FILE_OFFSET64 +/* Same as preadv but with an additional flag argumenti defined at uio.h. */ +extern ssize_t preadv2 (int __fp, const struct iovec *__iovec, int __count, + __off_t __offset, int ___flags) __wur; + +/* Same as preadv but with an additional flag argument defined at uio.h. */ +extern ssize_t pwritev2 (int __fd, const struct iovec *__iodev, int __count, + __off_t __offset, int __flags) __wur; + +# else +# ifdef __REDIRECT +extern ssize_t __REDIRECT (pwritev2, (int __fd, const struct iovec *__iovec, + int __count, __off64_t __offset, + int __flags), + pwritev64v2) __wur; +extern ssize_t __REDIRECT (preadv2, (int __fd, const struct iovec *__iovec, + int __count, __off64_t __offset, + int __flags), + preadv64v2) __wur; +# else +# define preadv2 preadv64v2 +# define pwritev2 pwritev64v2 +# endif +# endif + +# ifdef __USE_LARGEFILE64 +/* Same as preadv but with an additional flag argumenti defined at uio.h. */ +extern ssize_t preadv64v2 (int __fp, const struct iovec *__iovec, + int __count, __off64_t __offset, + int ___flags) __wur; + +/* Same as preadv but with an additional flag argument defined at uio.h. */ +extern ssize_t pwritev64v2 (int __fd, const struct iovec *__iodev, + int __count, __off64_t __offset, + int __flags) __wur; +# endif +#endif /* Use GNU. */ + __END_DECLS +/* Some operating systems provide system-specific extensions to this + header. */ +#ifdef __USE_GNU +# include <bits/uio-ext.h> +#endif + #endif /* sys/uio.h */ diff --git a/misc/sys/ustat.h b/misc/sys/ustat.h deleted file mode 100644 index b58a1def7c..0000000000 --- a/misc/sys/ustat.h +++ /dev/null @@ -1,37 +0,0 @@ -/* Header describing obsolete `ustat' interface. - Copyright (C) 1996-2016 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 interface is obsolete. Use <sys/statfs.h> instead. - */ - -#ifndef _SYS_USTAT_H -#define _SYS_USTAT_H 1 - -#include <features.h> - -#include <sys/types.h> -#include <bits/ustat.h> - -__BEGIN_DECLS - -extern int ustat (__dev_t __dev, struct ustat *__ubuf) __THROW; - -__END_DECLS - -#endif /* sys/ustat.h */ diff --git a/misc/sys/xattr.h b/misc/sys/xattr.h index 0bdce5721f..5278cc2727 100644 --- a/misc/sys/xattr.h +++ b/misc/sys/xattr.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2002-2016 Free Software Foundation, Inc. +/* Copyright (C) 2002-2018 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 |