Mercurial > hg > CbC > CbC_gcc
view libstdc++-v3/libsupc++/del_opa.cc @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 84e7813d76e9 |
children |
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// Boilerplate support routines for -*- C++ -*- dynamic memory management. // Copyright (C) 1997-2020 Free Software Foundation, Inc. // // This file is part of GCC. // // GCC is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 3, or (at your option) // any later version. // // GCC 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 General Public License for more details. // // Under Section 7 of GPL version 3, you are granted additional // permissions described in the GCC Runtime Library Exception, version // 3.1, as published by the Free Software Foundation. // You should have received a copy of the GNU General Public License and // a copy of the GCC Runtime Library Exception along with this program; // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see // <http://www.gnu.org/licenses/>. #include <bits/c++config.h> #if !_GLIBCXX_HOSTED // A freestanding C runtime may not provide "free" -- but there is no // other reasonable way to implement "operator delete". namespace std { _GLIBCXX_BEGIN_NAMESPACE_VERSION extern "C" void free(void*); _GLIBCXX_END_NAMESPACE_VERSION } // namespace #else # include <cstdlib> #endif #include "new" // The sized deletes are defined in other files. #pragma GCC diagnostic ignored "-Wsized-deallocation" _GLIBCXX_WEAK_DEFINITION void operator delete(void* ptr, std::align_val_t) noexcept { #if _GLIBCXX_HAVE_ALIGNED_ALLOC || _GLIBCXX_HAVE_POSIX_MEMALIGN \ || _GLIBCXX_HAVE_MEMALIGN std::free (ptr); #elif _GLIBCXX_HAVE__ALIGNED_MALLOC _aligned_free (ptr); #else if (ptr) std::free (((void **) ptr)[-1]); // See aligned_alloc in new_opa.cc #endif }