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| author | peter <peter@FreeBSD.org> | 2008-06-01 00:03:21 +0000 |
|---|---|---|
| committer | peter <peter@FreeBSD.org> | 2008-06-01 00:03:21 +0000 |
| commit | a2be5f0c15218b0177d73b17d9bcb7589965d685 (patch) | |
| tree | c9f0cd9c22378356a1716d32e13e70bc90f98b9c /libstdc++/libsupc++/new_op.cc | |
| parent | 9e0f3cc19c9df1594c9cc36cfd8fddc83c52ad12 (diff) | |
| download | FreeBSD-src-a2be5f0c15218b0177d73b17d9bcb7589965d685.zip FreeBSD-src-a2be5f0c15218b0177d73b17d9bcb7589965d685.tar.gz | |
Reorganize the gcc vendor import work area. This flattens out a bunch
of unnecessary path components that are relics of cvs2svn.
(These are directory moves)
Diffstat (limited to 'libstdc++/libsupc++/new_op.cc')
| -rw-r--r-- | libstdc++/libsupc++/new_op.cc | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/libstdc++/libsupc++/new_op.cc b/libstdc++/libsupc++/new_op.cc new file mode 100644 index 0000000..8059d1d --- /dev/null +++ b/libstdc++/libsupc++/new_op.cc @@ -0,0 +1,72 @@ +// Support routines for the -*- C++ -*- dynamic memory management. + +// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2004 +// Free Software Foundation +// +// 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 2, 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. +// +// You should have received a copy of the GNU General Public License +// along with GCC; see the file COPYING. If not, write to +// the Free Software Foundation, 51 Franklin Street, Fifth Floor, +// Boston, MA 02110-1301, USA. +// +// As a special exception, you may use this file as part of a free software +// library without restriction. Specifically, if other files instantiate +// templates or use macros or inline functions from this file, or you compile +// this file and link it with other files to produce an executable, this +// file does not by itself cause the resulting executable to be covered by +// the GNU General Public License. This exception does not however +// invalidate any other reasons why the executable file might be covered by +// the GNU General Public License. + +#include <bits/c++config.h> +#include <cstdlib> +#include <exception_defines.h> +#include "new" + +using std::new_handler; +using std::bad_alloc; +#if _GLIBCXX_HOSTED +using std::malloc; +#else +// A freestanding C runtime may not provide "malloc" -- but there is no +// other reasonable way to implement "operator new". +extern "C" void *malloc (std::size_t); +#endif + +extern new_handler __new_handler; + +_GLIBCXX_WEAK_DEFINITION void * +operator new (std::size_t sz) throw (std::bad_alloc) +{ + void *p; + + /* malloc (0) is unpredictable; avoid it. */ + if (sz == 0) + sz = 1; + p = (void *) malloc (sz); + while (p == 0) + { + new_handler handler = __new_handler; + if (! handler) +#ifdef __EXCEPTIONS + throw bad_alloc(); +#else + std::abort(); +#endif + handler (); + p = (void *) malloc (sz); + } + + return p; +} |
