3cbc7af037
2005-12-18 Benjamin Kosnik <bkoz@redhat.com> * include/bits/c++config: Add in revised namespace associations. _GLIBCXX_BEGIN_NAMESPACE: New macro. _GLIBCXX_END_NAMESPACE: Same. _GLIBCXX_BEGIN_NESTED_NAMESPACE: Same. _GLIBCXX_END_NESTED_NAMESPACE: Same. * acinclude.m4 (GLIBCXX_ENABLE_SYMVERS]): Add gnu-versioned-namespace. * configure: Regenerated. * config.h.in: Same. * config/abi/pre/gnu-versioned-namespace.ver: New. * config/abi/pre/gnu.ver (GLIBCXX_3.4.7): Add exports for nested debug mode items. * include/Makefile.am (${host_builddir}/c++config.h): Fill in values for __GLIBCXX__ and _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION. * include/Makefile.in: Regnerate. * src/compatibility.cc: Alias new, nested definitions to exported symbols from non-nested __gnu_debug. * src/Makefile.am: Add in ENABLE_SYMVERS_GNU_NAMESPACE. * src/Makefile.in: Regenerate. * docs/html/debug_mode.html: Revise for nested design. * docs/html/debug.html: Use debug qualifications instead of __gnu_debug. * docs/html/configopts.html: Revise documentation for --enable-symvers. * include/debug/formatter: Simplify namespace qualifications for current, nested-only reality. Add top-level namespace alias, namespace debug, for debug-mode containers. * include/debug/safe_iterator.h: Same. * include/debug/set.h: Same. * include/debug/hash_multimap.h: Same. * include/debug/hash_set.h: Same. * include/debug/bitset * include/debug/safe_sequence.h: Same. * include/debug/multiset.h: Same. * include/debug/safe_base.h: Same. * include/debug/functions.h: Same. * include/debug/safe_iterator.tcc * include/debug/hash_multiset.h: Same. * include/debug/vector * include/debug/map.h: Same. * include/debug/deque * include/debug/hash_map.h: Same. * include/debug/string * include/debug/macros.h: Same. * include/debug/list * include/debug/debug.h: Same. * include/debug/multimap.h: Same. * src/debug.cc: Same. * testsuite/23_containers/vector/invalidation/1.cc: Cleanups. * testsuite/23_containers/vector/invalidation/2.cc: Same. * testsuite/23_containers/vector/invalidation/3.cc: Same. * testsuite/23_containers/vector/invalidation/4.cc: Same. * testsuite/23_containers/deque/invalidation/1.cc: Same. * testsuite/23_containers/deque/invalidation/2.cc: Same. * testsuite/23_containers/deque/invalidation/3.cc: Same. * testsuite/23_containers/deque/invalidation/4.cc: Same. * testsuite/23_containers/multiset/invalidation/1.cc: Same. * testsuite/23_containers/multiset/invalidation/2.cc: Same. * testsuite/23_containers/multimap/invalidation/1.cc: Same. * testsuite/23_containers/multimap/invalidation/2.cc: Same. * testsuite/23_containers/bitset/invalidation/1.cc: Same. * testsuite/23_containers/bitset/cons/16020.cc: Same. * testsuite/23_containers/bitset/operations/13838.cc: Same. * testsuite/23_containers/list/invalidation/1.cc: Same. * testsuite/23_containers/list/invalidation/2.cc: Same. * testsuite/23_containers/list/invalidation/3.cc: Same. * testsuite/23_containers/list/invalidation/4.cc: Same. * testsuite/23_containers/set/invalidation/1.cc: Same. * testsuite/23_containers/set/invalidation/2.cc: Same. * testsuite/23_containers/map/invalidation/1.cc: Same. * testsuite/23_containers/map/invalidation/2.cc: Same. * testsuite/23_containers/map/insert/16813.cc: Same. * include/bits/basic_ios.h: Use _GLIBCXX_BEGIN_NAMESPACE(std) and friends. * include/bits/stl_list.h: Same. * include/bits/stl_map.h: Same. * include/bits/stl_algobase.h: Same. * include/bits/localefwd.h: Same. * include/bits/valarray_array.tcc: Same. * include/bits/valarray_after.h: Same. * include/bits/gslice_array.h: Same. * include/bits/stl_queue.h: Same. * include/bits/gslice.h: Same. * include/bits/locale_facets.tcc: Same. * include/bits/locale_classes.h: Same. * include/bits/stl_set.h: Same. * include/bits/locale_facets.h: Same. * include/bits/stl_stack.h: Same. * include/bits/stl_iterator_base_types.h: Same. * include/bits/stl_heap.h: Same. * include/bits/indirect_array.h: Same. * include/bits/atomicity.h: Same. * include/bits/stream_iterator.h: Same. * include/bits/concurrence.h: Same. * include/bits/basic_string.h: Same. * include/bits/stl_multimap.h: Same. * include/bits/stl_pair.h: Same. * include/bits/basic_ios.tcc: Same. * include/bits/stl_raw_storage_iter.h: Same. * include/bits/stl_vector.h: Same. * include/bits/stl_numeric.h: Same. * include/bits/ios_base.h: Same. * include/bits/stl_deque.h: Same. * include/bits/istream.tcc: Same. * include/bits/postypes.h: Same. * include/bits/stl_multiset.h: Same. * include/bits/mask_array.h: Same. * include/bits/stl_uninitialized.h: Same. * include/bits/ostream.tcc: Same. * include/bits/slice_array.h: Same. * include/bits/boost_concept_check.h: Same. * include/bits/sstream.tcc: Same. * include/bits/stl_iterator_base_funcs.h: Same. * include/bits/char_traits.h: Same. * include/bits/stl_algo.h: Same. * include/bits/stringfwd.h: Same. * include/bits/c++config * include/bits/stl_iterator.h: Same. * include/bits/valarray_array.h: Same. * include/bits/stl_tempbuf.h: Same. * include/bits/vector.tcc: Same. * include/bits/deque.tcc: Same. * include/bits/stl_bvector.h: Same. * include/bits/basic_string.tcc: Same. * include/bits/list.tcc: Same. * include/bits/streambuf_iterator.h: Same. * include/bits/valarray_before.h: Same. * include/bits/stl_construct.h: Same. * include/bits/stl_function.h: Same. * include/bits/cpp_type_traits.h: Same. * include/bits/streambuf.tcc: Same. * include/bits/allocator.h: Same. * include/bits/stl_tree.h: Same. * include/bits/fstream.tcc: Same. * include/bits/stl_relops.h: Same. * include/bits/functexcept.h: Same. * include/std/std_valarray.h: Same. * include/std/std_iostream.h: Same. * include/std/std_streambuf.h: Same. * include/std/std_bitset.h: Same. * include/std/std_iosfwd.h: Same. * include/std/std_iomanip.h: Same. * include/std/std_fstream.h: Same. * include/std/std_limits.h: Same. * include/std/std_stdexcept.h: Same. * include/std/std_istream.h: Same. * include/std/std_complex.h: Same. * include/std/std_memory.h: Same. * include/std/std_ostream.h: Same. * include/std/std_sstream.h: Same. * include/c_std/std_csignal.h: Same. * include/c_std/std_cstdlib.h: Same. * include/c_std/std_cstdio.h: Same. * include/c_std/std_cstdarg.h: Same. * include/c_std/std_cctype.h: Same. * include/c_std/std_cmath.h: Same. * include/c_std/std_ctime.h: Same. * include/c_std/std_clocale.h: Same. * include/c_std/std_csetjmp.h: Same. * include/c_std/std_cwchar.h: Same. * include/c_std/std_cstring.h: Same. * include/c_std/std_cstddef.h: Same. * include/c_std/std_cwctype.h: Same. * include/backward/iterator.h: Same. * include/backward/set.h: Same. * include/backward/hashtable.h: Same. * include/backward/fstream.h: Same. * include/backward/tempbuf.h: Same. * include/backward/istream.h: Same. * include/backward/bvector.h: Same. * include/backward/stack.h: Same. * include/backward/rope.h: Same. * include/backward/complex.h: Same. * include/backward/ostream.h: Same. * include/backward/heap.h: Same. * include/backward/iostream.h: Same. * include/backward/function.h: Same. * include/backward/multimap.h: Same. * include/backward/pair.h: Same. * include/backward/stream.h: Same. * include/backward/iomanip.h: Same. * include/backward/strstream * include/backward/slist.h: Same. * include/backward/tree.h: Same. * include/backward/vector.h: Same. * include/backward/deque.h: Same. * include/backward/multiset.h: Same. * include/backward/list.h: Same. * include/backward/map.h: Same. * include/backward/algobase.h: Same. * include/backward/hash_map.h: Same. * include/backward/algo.h: Same. * include/backward/queue.h: Same. * include/backward/streambuf.h: Same. * src/allocator-inst.cc: Same. * src/complex_io.cc: Same. * src/localename.cc: Same. * src/limits.cc: Same. * src/ios_failure.cc: Same. * src/locale-misc-inst.cc: Same. * src/streambuf-inst.cc: Same. * src/misc-inst.cc: Same. * src/concept-inst.cc: Same. * src/ios_locale.cc: Same. * src/pool_allocator.cc: Same. * src/fstream-inst.cc: Same. * src/istream-inst.cc: Same. * src/string-inst.cc: Same. * src/locale_init.cc: Same. * src/ctype.cc: Same. * src/strstream.cc: Same. * src/ostream-inst.cc: Same. * src/functexcept.cc: Same. * src/streambuf.cc: Same. * src/sstream-inst.cc: Same. * src/ios.cc: Same. * src/valarray-inst.cc: Same. * src/locale.cc: Same. * src/tree.cc: Same. * src/stdexcept.cc: Same. * src/istream.cc: Same. * src/compatibility.cc: Same. * src/locale-inst.cc: Same. * src/globals_io.cc: Same. * src/list.cc: Same. * src/ios_init.cc: Same. * src/locale_facets.cc: Same. * src/codecvt.cc: Same. * include/tr1/unordered_map: Use _GLIBCXX_BEGIN_NAMESPACE(tr1). * include/tr1/boost_shared_ptr.h: Same. * include/tr1/tuple * include/tr1/hashtable * include/tr1/type_traits_fwd.h: Same. * include/tr1/unordered_set * include/tr1/functional * include/tr1/ref_fwd.h: Same. * include/tr1/utility * include/tr1/type_traits * include/tr1/array * include/ext/hashtable.h: Use _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx). * include/ext/typelist.h: Same. * include/ext/hash_map: Same. * include/ext/rc_string_base.h: Same. * include/ext/pool_allocator.h: Same. * include/ext/iterator: Same. * include/ext/rb_tree: Same. * include/ext/numeric: Same. * include/ext/vstring.tcc: Same. * include/ext/sso_string_base.h: Same. * include/ext/stdio_filebuf.h: Same. * include/ext/algorithm: Same. * include/ext/codecvt_specializations.h: Same. * include/ext/new_allocator.h: Same. * include/ext/array_allocator.h: Same. * include/ext/vstring_util.h: Same. * include/ext/vstring_fwd.h: Same. * include/ext/mt_allocator.h: Same. * include/ext/debug_allocator.h: Same. * include/ext/slist: Same. * include/ext/stdio_sync_filebuf.h: Same. * include/ext/hash_fun.h: Same. * include/ext/malloc_allocator.h: Same. * include/ext/functional: Same. * include/ext/bitmap_allocator.h: Same. * include/ext/pod_char_traits.h: Same. * include/ext/vstring.h: Same. * include/ext/ropeimpl.h: Same. * include/ext/hash_set: Same. * include/ext/memory: Same. * include/ext/rope: Same. * include/bits/boost_concept_check.h: Same. * include/bits/stl_iterator.h: Same. * include/bits/char_traits.h: Same. * include/bits/cpp_type_traits.h: Same. * include/bits/concurrence.h: Same. * include/bits/atomicity.h: Same. * config/locale/gnu/numeric_members.cc: Same. * config/locale/gnu/collate_members.cc: Same. * config/locale/gnu/ctype_members.cc: Same. * config/locale/gnu/c_locale.cc: Same. * config/locale/gnu/codecvt_members.cc: Same. * config/locale/gnu/messages_members.cc: Same. * config/locale/gnu/c_locale.h: Same. * config/locale/gnu/monetary_members.cc: Same. * config/locale/gnu/time_members.cc: Same. * config/locale/ieee_1003.1-2001/c_locale.h: Same. * config/locale/generic/numeric_members.cc: Same. * config/locale/generic/collate_members.cc: Same. * config/locale/generic/ctype_members.cc: Same. * config/locale/generic/c_locale.cc: Same. * config/locale/generic/codecvt_members.cc: Same. * config/locale/generic/messages_members.cc: Same. * config/locale/generic/c_locale.h: Same. * config/locale/generic/monetary_members.cc: Same. * config/locale/generic/time_members.cc: Same. * config/os/aix/atomicity.h: Same. * config/os/irix/atomicity.h: Same. * config/cpu/powerpc/atomicity.h: Same. * config/cpu/cris/atomicity.h: Same. * config/cpu/ia64/atomicity.h: Same. * config/cpu/alpha/atomicity.h: Same. * config/cpu/m68k/atomicity.h: Same. * config/cpu/hppa/atomicity.h: Same. * config/cpu/mips/atomicity.h: Same. * config/cpu/sparc/atomicity.h: Same. * config/cpu/i386/atomicity.h: Same. * config/cpu/i486/atomicity.h: Same. * config/cpu/sh/atomicity.h: Same. * config/cpu/generic/atomicity.h: Same. * config/cpu/s390/atomicity.h: Same. * config/io/c_io_stdio.h: Same. * config/io/basic_file_stdio.cc: Same. * config/io/basic_file_stdio.h: Same. * src/misc-inst.cc: Same. * src/concept-inst.cc: Same. * src/ext-inst.cc: Same. * src/string-inst.cc: Same. * src/pool_allocator.cc: Same. * src/bitmap_allocator.cc: Same. * src/mt_allocator.cc: Same. * libsupc++/exception: Same. * libsupc++/vterminate.cc: Same. * testsuite/ext/hash_map/1.cc: Explicitly qualify __gnu_cxx::hash_map. * testsuite/ext/hash_map/14648.cc: Same. * libsupc++/eh_alloc.cc: Correct comment line spacing. From-SVN: r108775
76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
// Low-level functions for atomic operations: x86, x >= 3 version -*- C++ -*-
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// Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This 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
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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// USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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#include <bits/atomicity.h>
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_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
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template<int __inst>
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struct _Atomicity_lock
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{
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static volatile _Atomic_word _S_atomicity_lock;
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};
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template<int __inst>
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volatile _Atomic_word _Atomicity_lock<__inst>::_S_atomicity_lock = 0;
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template volatile _Atomic_word _Atomicity_lock<0>::_S_atomicity_lock;
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_Atomic_word
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__attribute__ ((__unused__))
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__exchange_and_add(volatile _Atomic_word* __mem, int __val)
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{
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register _Atomic_word __result, __tmp = 1;
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// Obtain the atomic exchange/add spin lock.
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do
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{
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__asm__ __volatile__ ("xchg{l} {%0,%1|%1,%0}"
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: "=m" (_Atomicity_lock<0>::_S_atomicity_lock),
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"+r" (__tmp)
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: "m" (_Atomicity_lock<0>::_S_atomicity_lock));
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}
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while (__tmp);
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__result = *__mem;
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*__mem += __val;
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// Release spin lock.
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_Atomicity_lock<0>::_S_atomicity_lock = 0;
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return __result;
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}
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void
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__attribute__ ((__unused__))
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__atomic_add(volatile _Atomic_word* __mem, int __val)
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{ __exchange_and_add(__mem, __val); }
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_GLIBCXX_END_NAMESPACE
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