musl: install a few extra headers to improve compatibility with various packages
Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 41056
This commit is contained in:
Felix Fietkau
@@ -25,6 +25,7 @@ endef
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define Host/Install
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define Host/Install
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$(call Host/SetToolchainInfo)
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$(call Host/SetToolchainInfo)
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$(MAKE) $(MUSL_MAKEOPTS) DESTDIR="$(TOOLCHAIN_DIR)/" install
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$(MAKE) $(MUSL_MAKEOPTS) DESTDIR="$(TOOLCHAIN_DIR)/" install
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$(CP) ./include $(TOOLCHAIN_DIR)/
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endef
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endef
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$(eval $(call HostBuild))
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$(eval $(call HostBuild))
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1
toolchain/musl/include/bits/wordsize.h
Normal file
1
toolchain/musl/include/bits/wordsize.h
Normal file
@@ -0,0 +1 @@
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#include <sys/user.h>
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56
toolchain/musl/include/features.h
Normal file
56
toolchain/musl/include/features.h
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@@ -0,0 +1,56 @@
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#ifndef _FEATURES_H
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#define _FEATURES_H
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#ifdef _ALL_SOURCE
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#define _GNU_SOURCE 1
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#endif
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#if !defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) \
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&& !defined(_XOPEN_SOURCE) && !defined(_GNU_SOURCE) \
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&& !defined(_BSD_SOURCE) && !defined(__STRICT_ANSI__)
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#define _BSD_SOURCE 1
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#define _XOPEN_SOURCE 700
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#endif
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#if __STDC_VERSION__ >= 199901L
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#define __restrict restrict
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#elif !defined(__GNUC__)
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#define __restrict
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#endif
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#if __STDC_VERSION__ >= 199901L || defined(__cplusplus)
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#define __inline inline
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#endif
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#if __STDC_VERSION__ >= 201112L
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#elif defined(__GNUC__)
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#define _Noreturn __attribute__((__noreturn__))
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#else
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#define _Noreturn
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#endif
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/* Convenience macros to test the versions of glibc and gcc.
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Use them like this:
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#if __GNUC_PREREQ (2,8)
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... code requiring gcc 2.8 or later ...
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#endif
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Note - they won't work for gcc1 or glibc1, since the _MINOR macros
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were not defined then. */
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#if defined __GNUC__ && defined __GNUC_MINOR__
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# define __GNUC_PREREQ(maj, min) \
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((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
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#else
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# define __GNUC_PREREQ(maj, min) 0
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#endif
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#if !defined __FORCE_NOGLIBC && (!defined _LIBC || defined __FORCE_GLIBC)
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#undef __GNU_LIBRARY__
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#define __GNU_LIBRARY__ 6
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#define __GLIBC__ 2
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#define __GLIBC_MINOR__ 16
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#endif
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#include <sys/glibc-types.h>
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#endif
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378
toolchain/musl/include/sys/cdefs.h
Normal file
378
toolchain/musl/include/sys/cdefs.h
Normal file
@@ -0,0 +1,378 @@
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/* Copyright (C) 1992-2002, 2004, 2005, 2006, 2007, 2009, 2011, 2012
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _SYS_CDEFS_H
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#define _SYS_CDEFS_H 1
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/* We are almost always included from features.h. */
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#ifndef _FEATURES_H
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# include <features.h>
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#endif
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/* The GNU libc does not support any K&R compilers or the traditional mode
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of ISO C compilers anymore. Check for some of the combinations not
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anymore supported. */
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#if defined __GNUC__ && !defined __STDC__
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# error "You need a ISO C conforming compiler to use the glibc headers"
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#endif
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/* Some user header file might have defined this before. */
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#undef __P
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#undef __PMT
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#ifdef __GNUC__
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/* All functions, except those with callbacks or those that
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synchronize memory, are leaf functions. */
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# if __GNUC_PREREQ (4, 6) && !defined _LIBC
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# define __LEAF , __leaf__
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# define __LEAF_ATTR __attribute__ ((__leaf__))
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# else
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# define __LEAF
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# define __LEAF_ATTR
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# endif
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/* GCC can always grok prototypes. For C++ programs we add throw()
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to help it optimize the function calls. But this works only with
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gcc 2.8.x and egcs. For gcc 3.2 and up we even mark C functions
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as non-throwing using a function attribute since programs can use
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the -fexceptions options for C code as well. */
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# if !defined __cplusplus && __GNUC_PREREQ (3, 3)
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# define __THROW __attribute__ ((__nothrow__ __LEAF))
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# define __THROWNL __attribute__ ((__nothrow__))
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# define __NTH(fct) __attribute__ ((__nothrow__ __LEAF)) fct
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# else
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# if defined __cplusplus && __GNUC_PREREQ (2,8)
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# define __THROW throw ()
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# define __THROWNL throw ()
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# define __NTH(fct) __LEAF_ATTR fct throw ()
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# else
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# define __THROW
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# define __THROWNL
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# define __NTH(fct) fct
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# endif
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# endif
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#else /* Not GCC. */
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# define __inline /* No inline functions. */
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# define __THROW
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# define __THROWNL
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# define __NTH(fct) fct
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#endif /* GCC. */
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/* These two macros are not used in glibc anymore. They are kept here
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only because some other projects expect the macros to be defined. */
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#define __P(args) args
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#define __PMT(args) args
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/* For these things, GCC behaves the ANSI way normally,
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and the non-ANSI way under -traditional. */
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#define __CONCAT(x,y) x ## y
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#define __STRING(x) #x
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/* This is not a typedef so `const __ptr_t' does the right thing. */
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#define __ptr_t void *
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#define __long_double_t long double
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/* C++ needs to know that types and declarations are C, not C++. */
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#ifdef __cplusplus
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# define __BEGIN_DECLS extern "C" {
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# define __END_DECLS }
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#else
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# define __BEGIN_DECLS
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# define __END_DECLS
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#endif
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/* The standard library needs the functions from the ISO C90 standard
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in the std namespace. At the same time we want to be safe for
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future changes and we include the ISO C99 code in the non-standard
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namespace __c99. The C++ wrapper header take case of adding the
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definitions to the global namespace. */
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#if defined __cplusplus && defined _GLIBCPP_USE_NAMESPACES
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# define __BEGIN_NAMESPACE_STD namespace std {
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# define __END_NAMESPACE_STD }
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# define __USING_NAMESPACE_STD(name) using std::name;
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# define __BEGIN_NAMESPACE_C99 namespace __c99 {
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# define __END_NAMESPACE_C99 }
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# define __USING_NAMESPACE_C99(name) using __c99::name;
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#else
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/* For compatibility we do not add the declarations into any
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namespace. They will end up in the global namespace which is what
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old code expects. */
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# define __BEGIN_NAMESPACE_STD
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# define __END_NAMESPACE_STD
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# define __USING_NAMESPACE_STD(name)
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# define __BEGIN_NAMESPACE_C99
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# define __END_NAMESPACE_C99
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# define __USING_NAMESPACE_C99(name)
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#endif
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/* Support for bounded pointers. */
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#ifndef __BOUNDED_POINTERS__
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# define __bounded /* nothing */
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# define __unbounded /* nothing */
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# define __ptrvalue /* nothing */
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#endif
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/* Fortify support. */
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#define __bos(ptr) __builtin_object_size (ptr, __USE_FORTIFY_LEVEL > 1)
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#define __bos0(ptr) __builtin_object_size (ptr, 0)
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#define __fortify_function __extern_always_inline __attribute_artificial__
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#if __GNUC_PREREQ (4,3)
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# define __warndecl(name, msg) \
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extern void name (void) __attribute__((__warning__ (msg)))
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# define __warnattr(msg) __attribute__((__warning__ (msg)))
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# define __errordecl(name, msg) \
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extern void name (void) __attribute__((__error__ (msg)))
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#else
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# define __warndecl(name, msg) extern void name (void)
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# define __warnattr(msg)
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# define __errordecl(name, msg) extern void name (void)
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#endif
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/* Support for flexible arrays. */
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#if __GNUC_PREREQ (2,97)
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/* GCC 2.97 supports C99 flexible array members. */
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# define __flexarr []
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#else
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# ifdef __GNUC__
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# define __flexarr [0]
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# else
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# if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
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# define __flexarr []
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# else
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/* Some other non-C99 compiler. Approximate with [1]. */
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# define __flexarr [1]
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# endif
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# endif
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#endif
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/* __asm__ ("xyz") is used throughout the headers to rename functions
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at the assembly language level. This is wrapped by the __REDIRECT
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macro, in order to support compilers that can do this some other
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way. When compilers don't support asm-names at all, we have to do
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preprocessor tricks instead (which don't have exactly the right
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semantics, but it's the best we can do).
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Example:
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int __REDIRECT(setpgrp, (__pid_t pid, __pid_t pgrp), setpgid); */
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#if defined __GNUC__ && __GNUC__ >= 2
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# define __REDIRECT(name, proto, alias) name proto __asm__ (__ASMNAME (#alias))
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# ifdef __cplusplus
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# define __REDIRECT_NTH(name, proto, alias) \
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name proto __THROW __asm__ (__ASMNAME (#alias))
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# define __REDIRECT_NTHNL(name, proto, alias) \
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name proto __THROWNL __asm__ (__ASMNAME (#alias))
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# else
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# define __REDIRECT_NTH(name, proto, alias) \
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name proto __asm__ (__ASMNAME (#alias)) __THROW
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# define __REDIRECT_NTHNL(name, proto, alias) \
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name proto __asm__ (__ASMNAME (#alias)) __THROWNL
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# endif
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# define __ASMNAME(cname) __ASMNAME2 (__USER_LABEL_PREFIX__, cname)
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# define __ASMNAME2(prefix, cname) __STRING (prefix) cname
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/*
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#elif __SOME_OTHER_COMPILER__
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# define __REDIRECT(name, proto, alias) name proto; \
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_Pragma("let " #name " = " #alias)
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*/
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#endif
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/* GCC has various useful declarations that can be made with the
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`__attribute__' syntax. All of the ways we use this do fine if
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they are omitted for compilers that don't understand it. */
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#if !defined __GNUC__ || __GNUC__ < 2
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# define __attribute__(xyz) /* Ignore */
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|
#endif
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||||||
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/* At some point during the gcc 2.96 development the `malloc' attribute
|
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|
for functions was introduced. We don't want to use it unconditionally
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|
(although this would be possible) since it generates warnings. */
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#if __GNUC_PREREQ (2,96)
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# define __attribute_malloc__ __attribute__ ((__malloc__))
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|
#else
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|
# define __attribute_malloc__ /* Ignore */
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||||||
|
#endif
|
||||||
|
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||||||
|
/* At some point during the gcc 2.96 development the `pure' attribute
|
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|
for functions was introduced. We don't want to use it unconditionally
|
||||||
|
(although this would be possible) since it generates warnings. */
|
||||||
|
#if __GNUC_PREREQ (2,96)
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||||||
|
# define __attribute_pure__ __attribute__ ((__pure__))
|
||||||
|
#else
|
||||||
|
# define __attribute_pure__ /* Ignore */
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* This declaration tells the compiler that the value is constant. */
|
||||||
|
#if __GNUC_PREREQ (2,5)
|
||||||
|
# define __attribute_const__ __attribute__ ((__const__))
|
||||||
|
#else
|
||||||
|
# define __attribute_const__ /* Ignore */
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* At some point during the gcc 3.1 development the `used' attribute
|
||||||
|
for functions was introduced. We don't want to use it unconditionally
|
||||||
|
(although this would be possible) since it generates warnings. */
|
||||||
|
#if __GNUC_PREREQ (3,1)
|
||||||
|
# define __attribute_used__ __attribute__ ((__used__))
|
||||||
|
# define __attribute_noinline__ __attribute__ ((__noinline__))
|
||||||
|
#else
|
||||||
|
# define __attribute_used__ __attribute__ ((__unused__))
|
||||||
|
# define __attribute_noinline__ /* Ignore */
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* gcc allows marking deprecated functions. */
|
||||||
|
#if __GNUC_PREREQ (3,2)
|
||||||
|
# define __attribute_deprecated__ __attribute__ ((__deprecated__))
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||||||
|
#else
|
||||||
|
# define __attribute_deprecated__ /* Ignore */
|
||||||
|
#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.
|
||||||
|
If several `format_arg' attributes are given for the same function, in
|
||||||
|
gcc-3.0 and older, all but the last one are ignored. In newer gccs,
|
||||||
|
all designated arguments are considered. */
|
||||||
|
#if __GNUC_PREREQ (2,8)
|
||||||
|
# define __attribute_format_arg__(x) __attribute__ ((__format_arg__ (x)))
|
||||||
|
#else
|
||||||
|
# define __attribute_format_arg__(x) /* Ignore */
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* At some point during the gcc 2.97 development the `strfmon' format
|
||||||
|
attribute for functions was introduced. We don't want to use it
|
||||||
|
unconditionally (although this would be possible) since it
|
||||||
|
generates warnings. */
|
||||||
|
#if __GNUC_PREREQ (2,97)
|
||||||
|
# define __attribute_format_strfmon__(a,b) \
|
||||||
|
__attribute__ ((__format__ (__strfmon__, a, b)))
|
||||||
|
#else
|
||||||
|
# define __attribute_format_strfmon__(a,b) /* Ignore */
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* The nonull function attribute allows to mark pointer parameters which
|
||||||
|
must not be NULL. */
|
||||||
|
#if __GNUC_PREREQ (3,3)
|
||||||
|
# define __nonnull(params) __attribute__ ((__nonnull__ params))
|
||||||
|
#else
|
||||||
|
# define __nonnull(params)
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* If fortification mode, we warn about unused results of certain
|
||||||
|
function calls which can lead to problems. */
|
||||||
|
#if __GNUC_PREREQ (3,4)
|
||||||
|
# define __attribute_warn_unused_result__ \
|
||||||
|
__attribute__ ((__warn_unused_result__))
|
||||||
|
# if __USE_FORTIFY_LEVEL > 0
|
||||||
|
# define __wur __attribute_warn_unused_result__
|
||||||
|
# endif
|
||||||
|
#else
|
||||||
|
# define __attribute_warn_unused_result__ /* empty */
|
||||||
|
#endif
|
||||||
|
#ifndef __wur
|
||||||
|
# define __wur /* Ignore */
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Forces a function to be always inlined. */
|
||||||
|
#if __GNUC_PREREQ (3,2)
|
||||||
|
# define __always_inline __inline __attribute__ ((__always_inline__))
|
||||||
|
#else
|
||||||
|
# define __always_inline __inline
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Associate error messages with the source location of the call site rather
|
||||||
|
than with the source location inside the function. */
|
||||||
|
#if __GNUC_PREREQ (4,3)
|
||||||
|
# define __attribute_artificial__ __attribute__ ((__artificial__))
|
||||||
|
#else
|
||||||
|
# define __attribute_artificial__ /* Ignore */
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* GCC 4.3 and above with -std=c99 or -std=gnu99 implements ISO C99
|
||||||
|
inline semantics, unless -fgnu89-inline is used. */
|
||||||
|
#if !defined __cplusplus || __GNUC_PREREQ (4,3)
|
||||||
|
# if defined __GNUC_STDC_INLINE__ || defined __cplusplus
|
||||||
|
# define __extern_inline extern __inline __attribute__ ((__gnu_inline__))
|
||||||
|
# define __extern_always_inline \
|
||||||
|
extern __always_inline __attribute__ ((__gnu_inline__))
|
||||||
|
# else
|
||||||
|
# define __extern_inline extern __inline
|
||||||
|
# define __extern_always_inline extern __always_inline
|
||||||
|
# endif
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* GCC 4.3 and above allow passing all anonymous arguments of an
|
||||||
|
__extern_always_inline function to some other vararg function. */
|
||||||
|
#if __GNUC_PREREQ (4,3)
|
||||||
|
# define __va_arg_pack() __builtin_va_arg_pack ()
|
||||||
|
# define __va_arg_pack_len() __builtin_va_arg_pack_len ()
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* It is possible to compile containing GCC extensions even if GCC is
|
||||||
|
run in pedantic mode if the uses are carefully marked using the
|
||||||
|
`__extension__' keyword. But this is not generally available before
|
||||||
|
version 2.8. */
|
||||||
|
#if !__GNUC_PREREQ (2,8)
|
||||||
|
# define __extension__ /* Ignore */
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* __restrict is known in EGCS 1.2 and above. */
|
||||||
|
#if !__GNUC_PREREQ (2,92)
|
||||||
|
# define __restrict /* Ignore */
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* ISO C99 also allows to declare arrays as non-overlapping. The syntax is
|
||||||
|
array_name[restrict]
|
||||||
|
GCC 3.1 supports this. */
|
||||||
|
#if __GNUC_PREREQ (3,1) && !defined __GNUG__
|
||||||
|
# define __restrict_arr __restrict
|
||||||
|
#else
|
||||||
|
# ifdef __GNUC__
|
||||||
|
# define __restrict_arr /* Not supported in old GCC. */
|
||||||
|
# else
|
||||||
|
# if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
|
||||||
|
# define __restrict_arr restrict
|
||||||
|
# else
|
||||||
|
/* Some other non-C99 compiler. */
|
||||||
|
# define __restrict_arr /* Not supported. */
|
||||||
|
# endif
|
||||||
|
# endif
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#if __GNUC__ >= 3
|
||||||
|
# define __glibc_unlikely(cond) __builtin_expect((cond), 0)
|
||||||
|
#else
|
||||||
|
# define __glibc_unlikely(cond) (cond)
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#endif /* sys/cdefs.h */
|
||||||
29
toolchain/musl/include/sys/glibc-types.h
Normal file
29
toolchain/musl/include/sys/glibc-types.h
Normal file
@@ -0,0 +1,29 @@
|
|||||||
|
#ifndef __MUSL_GLIBC_TYPES_H
|
||||||
|
#define __MUSL_GLIBC_TYPES_H
|
||||||
|
|
||||||
|
/* Convenience types. */
|
||||||
|
typedef unsigned char __u_char;
|
||||||
|
typedef unsigned short int __u_short;
|
||||||
|
typedef unsigned int __u_int;
|
||||||
|
typedef unsigned long int __u_long;
|
||||||
|
|
||||||
|
/* Fixed-size types, underlying types depend on word size and compiler. */
|
||||||
|
typedef signed char __int8_t;
|
||||||
|
typedef unsigned char __uint8_t;
|
||||||
|
typedef signed short int __int16_t;
|
||||||
|
typedef unsigned short int __uint16_t;
|
||||||
|
typedef signed int __int32_t;
|
||||||
|
typedef unsigned int __uint32_t;
|
||||||
|
#if __WORDSIZE == 64
|
||||||
|
typedef signed long int __int64_t;
|
||||||
|
typedef unsigned long int __uint64_t;
|
||||||
|
#else
|
||||||
|
__extension__ typedef signed long long int __int64_t;
|
||||||
|
__extension__ typedef unsigned long long int __uint64_t;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#define __off64_t off_t
|
||||||
|
#define __loff_t off_t
|
||||||
|
typedef char *__caddr_t;
|
||||||
|
|
||||||
|
#endif
|
||||||
574
toolchain/musl/include/sys/queue.h
Normal file
574
toolchain/musl/include/sys/queue.h
Normal file
@@ -0,0 +1,574 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (c) 1991, 1993
|
||||||
|
* The Regents of the University of California. All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions
|
||||||
|
* are met:
|
||||||
|
* 1. Redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer.
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution.
|
||||||
|
* 3. Neither the name of the University nor the names of its contributors
|
||||||
|
* may be used to endorse or promote products derived from this software
|
||||||
|
* without specific prior written permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||||
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||||
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||||
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||||
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||||
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||||
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||||
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||||
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||||
|
* SUCH DAMAGE.
|
||||||
|
*
|
||||||
|
* @(#)queue.h 8.5 (Berkeley) 8/20/94
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef _SYS_QUEUE_H_
|
||||||
|
#define _SYS_QUEUE_H_
|
||||||
|
|
||||||
|
/*
|
||||||
|
* This file defines five types of data structures: singly-linked lists,
|
||||||
|
* lists, simple queues, tail queues, and circular queues.
|
||||||
|
*
|
||||||
|
* A singly-linked list is headed by a single forward pointer. The
|
||||||
|
* elements are singly linked for minimum space and pointer manipulation
|
||||||
|
* overhead at the expense of O(n) removal for arbitrary elements. New
|
||||||
|
* elements can be added to the list after an existing element or at the
|
||||||
|
* head of the list. Elements being removed from the head of the list
|
||||||
|
* should use the explicit macro for this purpose for optimum
|
||||||
|
* efficiency. A singly-linked list may only be traversed in the forward
|
||||||
|
* direction. Singly-linked lists are ideal for applications with large
|
||||||
|
* datasets and few or no removals or for implementing a LIFO queue.
|
||||||
|
*
|
||||||
|
* A list is headed by a single forward pointer (or an array of forward
|
||||||
|
* pointers for a hash table header). The elements are doubly linked
|
||||||
|
* so that an arbitrary element can be removed without a need to
|
||||||
|
* traverse the list. New elements can be added to the list before
|
||||||
|
* or after an existing element or at the head of the list. A list
|
||||||
|
* may only be traversed in the forward direction.
|
||||||
|
*
|
||||||
|
* A simple queue is headed by a pair of pointers, one the head of the
|
||||||
|
* list and the other to the tail of the list. The elements are singly
|
||||||
|
* linked to save space, so elements can only be removed from the
|
||||||
|
* head of the list. New elements can be added to the list after
|
||||||
|
* an existing element, at the head of the list, or at the end of the
|
||||||
|
* list. A simple queue may only be traversed in the forward direction.
|
||||||
|
*
|
||||||
|
* A tail queue is headed by a pair of pointers, one to the head of the
|
||||||
|
* list and the other to the tail of the list. The elements are doubly
|
||||||
|
* linked so that an arbitrary element can be removed without a need to
|
||||||
|
* traverse the list. New elements can be added to the list before or
|
||||||
|
* after an existing element, at the head of the list, or at the end of
|
||||||
|
* the list. A tail queue may be traversed in either direction.
|
||||||
|
*
|
||||||
|
* A circle queue is headed by a pair of pointers, one to the head of the
|
||||||
|
* list and the other to the tail of the list. The elements are doubly
|
||||||
|
* linked so that an arbitrary element can be removed without a need to
|
||||||
|
* traverse the list. New elements can be added to the list before or after
|
||||||
|
* an existing element, at the head of the list, or at the end of the list.
|
||||||
|
* A circle queue may be traversed in either direction, but has a more
|
||||||
|
* complex end of list detection.
|
||||||
|
*
|
||||||
|
* For details on the use of these macros, see the queue(3) manual page.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* List definitions.
|
||||||
|
*/
|
||||||
|
#define LIST_HEAD(name, type) \
|
||||||
|
struct name { \
|
||||||
|
struct type *lh_first; /* first element */ \
|
||||||
|
}
|
||||||
|
|
||||||
|
#define LIST_HEAD_INITIALIZER(head) \
|
||||||
|
{ NULL }
|
||||||
|
|
||||||
|
#define LIST_ENTRY(type) \
|
||||||
|
struct { \
|
||||||
|
struct type *le_next; /* next element */ \
|
||||||
|
struct type **le_prev; /* address of previous next element */ \
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* List functions.
|
||||||
|
*/
|
||||||
|
#define LIST_INIT(head) do { \
|
||||||
|
(head)->lh_first = NULL; \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define LIST_INSERT_AFTER(listelm, elm, field) do { \
|
||||||
|
if (((elm)->field.le_next = (listelm)->field.le_next) != NULL) \
|
||||||
|
(listelm)->field.le_next->field.le_prev = \
|
||||||
|
&(elm)->field.le_next; \
|
||||||
|
(listelm)->field.le_next = (elm); \
|
||||||
|
(elm)->field.le_prev = &(listelm)->field.le_next; \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define LIST_INSERT_BEFORE(listelm, elm, field) do { \
|
||||||
|
(elm)->field.le_prev = (listelm)->field.le_prev; \
|
||||||
|
(elm)->field.le_next = (listelm); \
|
||||||
|
*(listelm)->field.le_prev = (elm); \
|
||||||
|
(listelm)->field.le_prev = &(elm)->field.le_next; \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define LIST_INSERT_HEAD(head, elm, field) do { \
|
||||||
|
if (((elm)->field.le_next = (head)->lh_first) != NULL) \
|
||||||
|
(head)->lh_first->field.le_prev = &(elm)->field.le_next;\
|
||||||
|
(head)->lh_first = (elm); \
|
||||||
|
(elm)->field.le_prev = &(head)->lh_first; \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define LIST_REMOVE(elm, field) do { \
|
||||||
|
if ((elm)->field.le_next != NULL) \
|
||||||
|
(elm)->field.le_next->field.le_prev = \
|
||||||
|
(elm)->field.le_prev; \
|
||||||
|
*(elm)->field.le_prev = (elm)->field.le_next; \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define LIST_FOREACH(var, head, field) \
|
||||||
|
for ((var) = ((head)->lh_first); \
|
||||||
|
(var); \
|
||||||
|
(var) = ((var)->field.le_next))
|
||||||
|
|
||||||
|
/*
|
||||||
|
* List access methods.
|
||||||
|
*/
|
||||||
|
#define LIST_EMPTY(head) ((head)->lh_first == NULL)
|
||||||
|
#define LIST_FIRST(head) ((head)->lh_first)
|
||||||
|
#define LIST_NEXT(elm, field) ((elm)->field.le_next)
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Singly-linked List definitions.
|
||||||
|
*/
|
||||||
|
#define SLIST_HEAD(name, type) \
|
||||||
|
struct name { \
|
||||||
|
struct type *slh_first; /* first element */ \
|
||||||
|
}
|
||||||
|
|
||||||
|
#define SLIST_HEAD_INITIALIZER(head) \
|
||||||
|
{ NULL }
|
||||||
|
|
||||||
|
#define SLIST_ENTRY(type) \
|
||||||
|
struct { \
|
||||||
|
struct type *sle_next; /* next element */ \
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Singly-linked List functions.
|
||||||
|
*/
|
||||||
|
#define SLIST_INIT(head) do { \
|
||||||
|
(head)->slh_first = NULL; \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define SLIST_INSERT_AFTER(slistelm, elm, field) do { \
|
||||||
|
(elm)->field.sle_next = (slistelm)->field.sle_next; \
|
||||||
|
(slistelm)->field.sle_next = (elm); \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define SLIST_INSERT_HEAD(head, elm, field) do { \
|
||||||
|
(elm)->field.sle_next = (head)->slh_first; \
|
||||||
|
(head)->slh_first = (elm); \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define SLIST_REMOVE_HEAD(head, field) do { \
|
||||||
|
(head)->slh_first = (head)->slh_first->field.sle_next; \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define SLIST_REMOVE(head, elm, type, field) do { \
|
||||||
|
if ((head)->slh_first == (elm)) { \
|
||||||
|
SLIST_REMOVE_HEAD((head), field); \
|
||||||
|
} \
|
||||||
|
else { \
|
||||||
|
struct type *curelm = (head)->slh_first; \
|
||||||
|
while(curelm->field.sle_next != (elm)) \
|
||||||
|
curelm = curelm->field.sle_next; \
|
||||||
|
curelm->field.sle_next = \
|
||||||
|
curelm->field.sle_next->field.sle_next; \
|
||||||
|
} \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define SLIST_FOREACH(var, head, field) \
|
||||||
|
for((var) = (head)->slh_first; (var); (var) = (var)->field.sle_next)
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Singly-linked List access methods.
|
||||||
|
*/
|
||||||
|
#define SLIST_EMPTY(head) ((head)->slh_first == NULL)
|
||||||
|
#define SLIST_FIRST(head) ((head)->slh_first)
|
||||||
|
#define SLIST_NEXT(elm, field) ((elm)->field.sle_next)
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Singly-linked Tail queue declarations.
|
||||||
|
*/
|
||||||
|
#define STAILQ_HEAD(name, type) \
|
||||||
|
struct name { \
|
||||||
|
struct type *stqh_first; /* first element */ \
|
||||||
|
struct type **stqh_last; /* addr of last next element */ \
|
||||||
|
}
|
||||||
|
|
||||||
|
#define STAILQ_HEAD_INITIALIZER(head) \
|
||||||
|
{ NULL, &(head).stqh_first }
|
||||||
|
|
||||||
|
#define STAILQ_ENTRY(type) \
|
||||||
|
struct { \
|
||||||
|
struct type *stqe_next; /* next element */ \
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Singly-linked Tail queue functions.
|
||||||
|
*/
|
||||||
|
#define STAILQ_INIT(head) do { \
|
||||||
|
(head)->stqh_first = NULL; \
|
||||||
|
(head)->stqh_last = &(head)->stqh_first; \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define STAILQ_INSERT_HEAD(head, elm, field) do { \
|
||||||
|
if (((elm)->field.stqe_next = (head)->stqh_first) == NULL) \
|
||||||
|
(head)->stqh_last = &(elm)->field.stqe_next; \
|
||||||
|
(head)->stqh_first = (elm); \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define STAILQ_INSERT_TAIL(head, elm, field) do { \
|
||||||
|
(elm)->field.stqe_next = NULL; \
|
||||||
|
*(head)->stqh_last = (elm); \
|
||||||
|
(head)->stqh_last = &(elm)->field.stqe_next; \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define STAILQ_INSERT_AFTER(head, listelm, elm, field) do { \
|
||||||
|
if (((elm)->field.stqe_next = (listelm)->field.stqe_next) == NULL)\
|
||||||
|
(head)->stqh_last = &(elm)->field.stqe_next; \
|
||||||
|
(listelm)->field.stqe_next = (elm); \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define STAILQ_REMOVE_HEAD(head, field) do { \
|
||||||
|
if (((head)->stqh_first = (head)->stqh_first->field.stqe_next) == NULL) \
|
||||||
|
(head)->stqh_last = &(head)->stqh_first; \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define STAILQ_REMOVE(head, elm, type, field) do { \
|
||||||
|
if ((head)->stqh_first == (elm)) { \
|
||||||
|
STAILQ_REMOVE_HEAD((head), field); \
|
||||||
|
} else { \
|
||||||
|
struct type *curelm = (head)->stqh_first; \
|
||||||
|
while (curelm->field.stqe_next != (elm)) \
|
||||||
|
curelm = curelm->field.stqe_next; \
|
||||||
|
if ((curelm->field.stqe_next = \
|
||||||
|
curelm->field.stqe_next->field.stqe_next) == NULL) \
|
||||||
|
(head)->stqh_last = &(curelm)->field.stqe_next; \
|
||||||
|
} \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define STAILQ_FOREACH(var, head, field) \
|
||||||
|
for ((var) = ((head)->stqh_first); \
|
||||||
|
(var); \
|
||||||
|
(var) = ((var)->field.stqe_next))
|
||||||
|
|
||||||
|
#define STAILQ_CONCAT(head1, head2) do { \
|
||||||
|
if (!STAILQ_EMPTY((head2))) { \
|
||||||
|
*(head1)->stqh_last = (head2)->stqh_first; \
|
||||||
|
(head1)->stqh_last = (head2)->stqh_last; \
|
||||||
|
STAILQ_INIT((head2)); \
|
||||||
|
} \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Singly-linked Tail queue access methods.
|
||||||
|
*/
|
||||||
|
#define STAILQ_EMPTY(head) ((head)->stqh_first == NULL)
|
||||||
|
#define STAILQ_FIRST(head) ((head)->stqh_first)
|
||||||
|
#define STAILQ_NEXT(elm, field) ((elm)->field.stqe_next)
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Simple queue definitions.
|
||||||
|
*/
|
||||||
|
#define SIMPLEQ_HEAD(name, type) \
|
||||||
|
struct name { \
|
||||||
|
struct type *sqh_first; /* first element */ \
|
||||||
|
struct type **sqh_last; /* addr of last next element */ \
|
||||||
|
}
|
||||||
|
|
||||||
|
#define SIMPLEQ_HEAD_INITIALIZER(head) \
|
||||||
|
{ NULL, &(head).sqh_first }
|
||||||
|
|
||||||
|
#define SIMPLEQ_ENTRY(type) \
|
||||||
|
struct { \
|
||||||
|
struct type *sqe_next; /* next element */ \
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Simple queue functions.
|
||||||
|
*/
|
||||||
|
#define SIMPLEQ_INIT(head) do { \
|
||||||
|
(head)->sqh_first = NULL; \
|
||||||
|
(head)->sqh_last = &(head)->sqh_first; \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define SIMPLEQ_INSERT_HEAD(head, elm, field) do { \
|
||||||
|
if (((elm)->field.sqe_next = (head)->sqh_first) == NULL) \
|
||||||
|
(head)->sqh_last = &(elm)->field.sqe_next; \
|
||||||
|
(head)->sqh_first = (elm); \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define SIMPLEQ_INSERT_TAIL(head, elm, field) do { \
|
||||||
|
(elm)->field.sqe_next = NULL; \
|
||||||
|
*(head)->sqh_last = (elm); \
|
||||||
|
(head)->sqh_last = &(elm)->field.sqe_next; \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define SIMPLEQ_INSERT_AFTER(head, listelm, elm, field) do { \
|
||||||
|
if (((elm)->field.sqe_next = (listelm)->field.sqe_next) == NULL)\
|
||||||
|
(head)->sqh_last = &(elm)->field.sqe_next; \
|
||||||
|
(listelm)->field.sqe_next = (elm); \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define SIMPLEQ_REMOVE_HEAD(head, field) do { \
|
||||||
|
if (((head)->sqh_first = (head)->sqh_first->field.sqe_next) == NULL) \
|
||||||
|
(head)->sqh_last = &(head)->sqh_first; \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define SIMPLEQ_REMOVE(head, elm, type, field) do { \
|
||||||
|
if ((head)->sqh_first == (elm)) { \
|
||||||
|
SIMPLEQ_REMOVE_HEAD((head), field); \
|
||||||
|
} else { \
|
||||||
|
struct type *curelm = (head)->sqh_first; \
|
||||||
|
while (curelm->field.sqe_next != (elm)) \
|
||||||
|
curelm = curelm->field.sqe_next; \
|
||||||
|
if ((curelm->field.sqe_next = \
|
||||||
|
curelm->field.sqe_next->field.sqe_next) == NULL) \
|
||||||
|
(head)->sqh_last = &(curelm)->field.sqe_next; \
|
||||||
|
} \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define SIMPLEQ_FOREACH(var, head, field) \
|
||||||
|
for ((var) = ((head)->sqh_first); \
|
||||||
|
(var); \
|
||||||
|
(var) = ((var)->field.sqe_next))
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Simple queue access methods.
|
||||||
|
*/
|
||||||
|
#define SIMPLEQ_EMPTY(head) ((head)->sqh_first == NULL)
|
||||||
|
#define SIMPLEQ_FIRST(head) ((head)->sqh_first)
|
||||||
|
#define SIMPLEQ_NEXT(elm, field) ((elm)->field.sqe_next)
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Tail queue definitions.
|
||||||
|
*/
|
||||||
|
#define _TAILQ_HEAD(name, type, qual) \
|
||||||
|
struct name { \
|
||||||
|
qual type *tqh_first; /* first element */ \
|
||||||
|
qual type *qual *tqh_last; /* addr of last next element */ \
|
||||||
|
}
|
||||||
|
#define TAILQ_HEAD(name, type) _TAILQ_HEAD(name, struct type,)
|
||||||
|
|
||||||
|
#define TAILQ_HEAD_INITIALIZER(head) \
|
||||||
|
{ NULL, &(head).tqh_first }
|
||||||
|
|
||||||
|
#define _TAILQ_ENTRY(type, qual) \
|
||||||
|
struct { \
|
||||||
|
qual type *tqe_next; /* next element */ \
|
||||||
|
qual type *qual *tqe_prev; /* address of previous next element */\
|
||||||
|
}
|
||||||
|
#define TAILQ_ENTRY(type) _TAILQ_ENTRY(struct type,)
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Tail queue functions.
|
||||||
|
*/
|
||||||
|
#define TAILQ_INIT(head) do { \
|
||||||
|
(head)->tqh_first = NULL; \
|
||||||
|
(head)->tqh_last = &(head)->tqh_first; \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define TAILQ_INSERT_HEAD(head, elm, field) do { \
|
||||||
|
if (((elm)->field.tqe_next = (head)->tqh_first) != NULL) \
|
||||||
|
(head)->tqh_first->field.tqe_prev = \
|
||||||
|
&(elm)->field.tqe_next; \
|
||||||
|
else \
|
||||||
|
(head)->tqh_last = &(elm)->field.tqe_next; \
|
||||||
|
(head)->tqh_first = (elm); \
|
||||||
|
(elm)->field.tqe_prev = &(head)->tqh_first; \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define TAILQ_INSERT_TAIL(head, elm, field) do { \
|
||||||
|
(elm)->field.tqe_next = NULL; \
|
||||||
|
(elm)->field.tqe_prev = (head)->tqh_last; \
|
||||||
|
*(head)->tqh_last = (elm); \
|
||||||
|
(head)->tqh_last = &(elm)->field.tqe_next; \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define TAILQ_INSERT_AFTER(head, listelm, elm, field) do { \
|
||||||
|
if (((elm)->field.tqe_next = (listelm)->field.tqe_next) != NULL)\
|
||||||
|
(elm)->field.tqe_next->field.tqe_prev = \
|
||||||
|
&(elm)->field.tqe_next; \
|
||||||
|
else \
|
||||||
|
(head)->tqh_last = &(elm)->field.tqe_next; \
|
||||||
|
(listelm)->field.tqe_next = (elm); \
|
||||||
|
(elm)->field.tqe_prev = &(listelm)->field.tqe_next; \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define TAILQ_INSERT_BEFORE(listelm, elm, field) do { \
|
||||||
|
(elm)->field.tqe_prev = (listelm)->field.tqe_prev; \
|
||||||
|
(elm)->field.tqe_next = (listelm); \
|
||||||
|
*(listelm)->field.tqe_prev = (elm); \
|
||||||
|
(listelm)->field.tqe_prev = &(elm)->field.tqe_next; \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define TAILQ_REMOVE(head, elm, field) do { \
|
||||||
|
if (((elm)->field.tqe_next) != NULL) \
|
||||||
|
(elm)->field.tqe_next->field.tqe_prev = \
|
||||||
|
(elm)->field.tqe_prev; \
|
||||||
|
else \
|
||||||
|
(head)->tqh_last = (elm)->field.tqe_prev; \
|
||||||
|
*(elm)->field.tqe_prev = (elm)->field.tqe_next; \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define TAILQ_FOREACH(var, head, field) \
|
||||||
|
for ((var) = ((head)->tqh_first); \
|
||||||
|
(var); \
|
||||||
|
(var) = ((var)->field.tqe_next))
|
||||||
|
|
||||||
|
#define TAILQ_FOREACH_REVERSE(var, head, headname, field) \
|
||||||
|
for ((var) = (*(((struct headname *)((head)->tqh_last))->tqh_last)); \
|
||||||
|
(var); \
|
||||||
|
(var) = (*(((struct headname *)((var)->field.tqe_prev))->tqh_last)))
|
||||||
|
|
||||||
|
#define TAILQ_CONCAT(head1, head2, field) do { \
|
||||||
|
if (!TAILQ_EMPTY(head2)) { \
|
||||||
|
*(head1)->tqh_last = (head2)->tqh_first; \
|
||||||
|
(head2)->tqh_first->field.tqe_prev = (head1)->tqh_last; \
|
||||||
|
(head1)->tqh_last = (head2)->tqh_last; \
|
||||||
|
TAILQ_INIT((head2)); \
|
||||||
|
} \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Tail queue access methods.
|
||||||
|
*/
|
||||||
|
#define TAILQ_EMPTY(head) ((head)->tqh_first == NULL)
|
||||||
|
#define TAILQ_FIRST(head) ((head)->tqh_first)
|
||||||
|
#define TAILQ_NEXT(elm, field) ((elm)->field.tqe_next)
|
||||||
|
|
||||||
|
#define TAILQ_LAST(head, headname) \
|
||||||
|
(*(((struct headname *)((head)->tqh_last))->tqh_last))
|
||||||
|
#define TAILQ_PREV(elm, headname, field) \
|
||||||
|
(*(((struct headname *)((elm)->field.tqe_prev))->tqh_last))
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Circular queue definitions.
|
||||||
|
*/
|
||||||
|
#define CIRCLEQ_HEAD(name, type) \
|
||||||
|
struct name { \
|
||||||
|
struct type *cqh_first; /* first element */ \
|
||||||
|
struct type *cqh_last; /* last element */ \
|
||||||
|
}
|
||||||
|
|
||||||
|
#define CIRCLEQ_HEAD_INITIALIZER(head) \
|
||||||
|
{ (void *)&head, (void *)&head }
|
||||||
|
|
||||||
|
#define CIRCLEQ_ENTRY(type) \
|
||||||
|
struct { \
|
||||||
|
struct type *cqe_next; /* next element */ \
|
||||||
|
struct type *cqe_prev; /* previous element */ \
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Circular queue functions.
|
||||||
|
*/
|
||||||
|
#define CIRCLEQ_INIT(head) do { \
|
||||||
|
(head)->cqh_first = (void *)(head); \
|
||||||
|
(head)->cqh_last = (void *)(head); \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define CIRCLEQ_INSERT_AFTER(head, listelm, elm, field) do { \
|
||||||
|
(elm)->field.cqe_next = (listelm)->field.cqe_next; \
|
||||||
|
(elm)->field.cqe_prev = (listelm); \
|
||||||
|
if ((listelm)->field.cqe_next == (void *)(head)) \
|
||||||
|
(head)->cqh_last = (elm); \
|
||||||
|
else \
|
||||||
|
(listelm)->field.cqe_next->field.cqe_prev = (elm); \
|
||||||
|
(listelm)->field.cqe_next = (elm); \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define CIRCLEQ_INSERT_BEFORE(head, listelm, elm, field) do { \
|
||||||
|
(elm)->field.cqe_next = (listelm); \
|
||||||
|
(elm)->field.cqe_prev = (listelm)->field.cqe_prev; \
|
||||||
|
if ((listelm)->field.cqe_prev == (void *)(head)) \
|
||||||
|
(head)->cqh_first = (elm); \
|
||||||
|
else \
|
||||||
|
(listelm)->field.cqe_prev->field.cqe_next = (elm); \
|
||||||
|
(listelm)->field.cqe_prev = (elm); \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define CIRCLEQ_INSERT_HEAD(head, elm, field) do { \
|
||||||
|
(elm)->field.cqe_next = (head)->cqh_first; \
|
||||||
|
(elm)->field.cqe_prev = (void *)(head); \
|
||||||
|
if ((head)->cqh_last == (void *)(head)) \
|
||||||
|
(head)->cqh_last = (elm); \
|
||||||
|
else \
|
||||||
|
(head)->cqh_first->field.cqe_prev = (elm); \
|
||||||
|
(head)->cqh_first = (elm); \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define CIRCLEQ_INSERT_TAIL(head, elm, field) do { \
|
||||||
|
(elm)->field.cqe_next = (void *)(head); \
|
||||||
|
(elm)->field.cqe_prev = (head)->cqh_last; \
|
||||||
|
if ((head)->cqh_first == (void *)(head)) \
|
||||||
|
(head)->cqh_first = (elm); \
|
||||||
|
else \
|
||||||
|
(head)->cqh_last->field.cqe_next = (elm); \
|
||||||
|
(head)->cqh_last = (elm); \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define CIRCLEQ_REMOVE(head, elm, field) do { \
|
||||||
|
if ((elm)->field.cqe_next == (void *)(head)) \
|
||||||
|
(head)->cqh_last = (elm)->field.cqe_prev; \
|
||||||
|
else \
|
||||||
|
(elm)->field.cqe_next->field.cqe_prev = \
|
||||||
|
(elm)->field.cqe_prev; \
|
||||||
|
if ((elm)->field.cqe_prev == (void *)(head)) \
|
||||||
|
(head)->cqh_first = (elm)->field.cqe_next; \
|
||||||
|
else \
|
||||||
|
(elm)->field.cqe_prev->field.cqe_next = \
|
||||||
|
(elm)->field.cqe_next; \
|
||||||
|
} while (/*CONSTCOND*/0)
|
||||||
|
|
||||||
|
#define CIRCLEQ_FOREACH(var, head, field) \
|
||||||
|
for ((var) = ((head)->cqh_first); \
|
||||||
|
(var) != (const void *)(head); \
|
||||||
|
(var) = ((var)->field.cqe_next))
|
||||||
|
|
||||||
|
#define CIRCLEQ_FOREACH_REVERSE(var, head, field) \
|
||||||
|
for ((var) = ((head)->cqh_last); \
|
||||||
|
(var) != (const void *)(head); \
|
||||||
|
(var) = ((var)->field.cqe_prev))
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Circular queue access methods.
|
||||||
|
*/
|
||||||
|
#define CIRCLEQ_EMPTY(head) ((head)->cqh_first == (void *)(head))
|
||||||
|
#define CIRCLEQ_FIRST(head) ((head)->cqh_first)
|
||||||
|
#define CIRCLEQ_LAST(head) ((head)->cqh_last)
|
||||||
|
#define CIRCLEQ_NEXT(elm, field) ((elm)->field.cqe_next)
|
||||||
|
#define CIRCLEQ_PREV(elm, field) ((elm)->field.cqe_prev)
|
||||||
|
|
||||||
|
#define CIRCLEQ_LOOP_NEXT(head, elm, field) \
|
||||||
|
(((elm)->field.cqe_next == (void *)(head)) \
|
||||||
|
? ((head)->cqh_first) \
|
||||||
|
: (elm->field.cqe_next))
|
||||||
|
#define CIRCLEQ_LOOP_PREV(head, elm, field) \
|
||||||
|
(((elm)->field.cqe_prev == (void *)(head)) \
|
||||||
|
? ((head)->cqh_last) \
|
||||||
|
: (elm->field.cqe_prev))
|
||||||
|
|
||||||
|
#endif /* sys/queue.h */
|
||||||
Reference in New Issue
Block a user