dca77a8a1b
* libsupc++/exception (get_terminate(), get_unexpected()): Declare. * libsupc++/eh_terminate.cc (get_terminate() , set_unexpected()): Define. (set_terminate(terminate_handler)): Set atomically. (set_unexpected(terminate_handler)): Likewise. * libsupc++/new (get_new_handler()): Declare. * libsupc++/new_handler.cc (get_new_handler()): Define. (set_new_handler(new_handler)): Set atomically. (__new_handler): Use internal linkage. * libsupc++/new_op.cc (operator new): Use get_new_handler(). * libsupc++/new_opnt.cc (operator new): Likewise. * acinclude.m4: Bump libtool_VERSION to 6:19:0. * configure: Regenerate. * libsupc++/Makefile.am: Compile above files with -std=gnu++11. * libsupc++/Makefile.in: Regenerate. * config/abi/pre/gnu.ver: Add new exports. * doc/xml/manual/status_cxx2011.xml: Update. * testsuite/18_support/headers/exception/synopsis.cc: Check accessors for handlers. * testsuite/18_support/headers/new/synopsis.cc: Likewise. * testsuite/18_support/new_handler.cc: New. * testsuite/18_support/terminate_handler.cc: New. * testsuite/18_support/unexpected_handler.cc: New. From-SVN: r197380
51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
// Implementation file for the -*- C++ -*- dynamic memory management header.
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// Copyright (C) 1996-2013 Free Software Foundation, Inc.
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//
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// This file is part of GCC.
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//
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// GCC is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3, or (at your option)
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// any later version.
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//
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// GCC 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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//
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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#include "new"
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const std::nothrow_t std::nothrow = { };
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using std::new_handler;
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namespace
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{
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new_handler __new_handler;
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}
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new_handler
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std::set_new_handler (new_handler handler) throw()
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{
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new_handler prev_handler;
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__atomic_exchange (&__new_handler, &handler, &prev_handler,
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__ATOMIC_ACQ_REL);
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return prev_handler;
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}
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new_handler
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std::get_new_handler () noexcept
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{
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new_handler handler;
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__atomic_load (&__new_handler, &handler, __ATOMIC_ACQUIRE);
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return handler;
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}
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