// -*- C++ -*- Implement the members of exception_ptr.
-// Copyright (C) 2008 Free Software Foundation, Inc.
+// Copyright (C) 2008, 2009 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 2, or (at your option)
+// 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,
// 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.
+// 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>
+
+#ifdef _GLIBCXX_ATOMIC_BUILTINS_4
+
+#define _GLIBCXX_EH_PTR_COMPAT
+
#include <exception>
#include <exception_ptr.h>
#include "unwind-cxx.h"
using namespace __cxxabiv1;
-
std::__exception_ptr::exception_ptr::exception_ptr() throw()
- : _M_exception_object(0)
-{
-}
+: _M_exception_object(0) { }
std::__exception_ptr::exception_ptr::exception_ptr(void* obj) throw()
- : _M_exception_object(obj)
-{
- _M_addref();
-}
+: _M_exception_object(obj) { _M_addref(); }
std::__exception_ptr::exception_ptr::exception_ptr(__safe_bool) throw()
- : _M_exception_object(0)
-{
-}
+: _M_exception_object(0) { }
-std::__exception_ptr::exception_ptr::exception_ptr(
- const exception_ptr& other) throw()
- : _M_exception_object(other._M_exception_object)
-{
- _M_addref();
-}
+std::__exception_ptr::
+exception_ptr::exception_ptr(const exception_ptr& other) throw()
+: _M_exception_object(other._M_exception_object)
+{ _M_addref(); }
std::__exception_ptr::exception_ptr::~exception_ptr() throw()
-{
- _M_release();
-}
+{ _M_release(); }
std::__exception_ptr::exception_ptr&
-std::__exception_ptr::exception_ptr::operator=(
- const exception_ptr& other) throw()
+std::__exception_ptr::
+exception_ptr::operator=(const exception_ptr& other) throw()
{
exception_ptr(other).swap(*this);
return *this;
{
if (_M_exception_object)
{
- __cxa_exception *eh =
- __get_exception_header_from_obj (_M_exception_object);
+ __cxa_refcounted_exception *eh =
+ __get_refcounted_exception_header_from_obj (_M_exception_object);
__sync_add_and_fetch (&eh->referenceCount, 1);
}
}
{
if (_M_exception_object)
{
- __cxa_exception *eh =
- __get_exception_header_from_obj (_M_exception_object);
+ __cxa_refcounted_exception *eh =
+ __get_refcounted_exception_header_from_obj (_M_exception_object);
if (__sync_sub_and_fetch (&eh->referenceCount, 1) == 0)
{
- if (eh->exceptionDestructor)
- eh->exceptionDestructor (_M_exception_object);
+ if (eh->exc.exceptionDestructor)
+ eh->exc.exceptionDestructor (_M_exception_object);
__cxa_free_exception (_M_exception_object);
_M_exception_object = 0;
void*
std::__exception_ptr::exception_ptr::_M_get() const throw()
-{
- return _M_exception_object;
-}
+{ return _M_exception_object; }
void
-std::__exception_ptr::exception_ptr::_M_safe_bool_dummy()
-{
-}
+std::__exception_ptr::exception_ptr::_M_safe_bool_dummy() throw () { }
void
}
+// Retained for compatibility with CXXABI_1.3.
bool
std::__exception_ptr::exception_ptr::operator!() const throw()
-{
- return _M_exception_object == 0;
-}
+{ return _M_exception_object == 0; }
+// Retained for compatibility with CXXABI_1.3.
std::__exception_ptr::exception_ptr::operator __safe_bool() const throw()
{
return _M_exception_object ? &exception_ptr::_M_safe_bool_dummy : 0;
bool std::__exception_ptr::operator==(const exception_ptr& lhs,
- const exception_ptr& rhs) throw()
-{
- return lhs._M_exception_object == rhs._M_exception_object;
-}
+ const exception_ptr& rhs) throw()
+{ return lhs._M_exception_object == rhs._M_exception_object; }
bool std::__exception_ptr::operator!=(const exception_ptr& lhs,
- const exception_ptr& rhs) throw()
-{
- return !(lhs == rhs);
-}
+ const exception_ptr& rhs) throw()
+{ return !(lhs == rhs);}
std::exception_ptr
static void
-__gxx_dependent_exception_cleanup (_Unwind_Reason_Code code,
- _Unwind_Exception *exc)
+__gxx_dependent_exception_cleanup(_Unwind_Reason_Code code,
+ _Unwind_Exception *exc)
{
// This cleanup is set only for dependents.
__cxa_dependent_exception *dep = __get_dependent_exception_from_ue (exc);
- __cxa_exception *header =
- __get_exception_header_from_obj (dep->primaryException);
+ __cxa_refcounted_exception *header =
+ __get_refcounted_exception_header_from_obj (dep->primaryException);
// We only want to be called through _Unwind_DeleteException.
// _Unwind_DeleteException in the HP-UX IA64 libunwind library
// returns _URC_NO_REASON and not _URC_FOREIGN_EXCEPTION_CAUGHT
// like the GCC _Unwind_DeleteException function does.
if (code != _URC_FOREIGN_EXCEPTION_CAUGHT && code != _URC_NO_REASON)
- __terminate (header->terminateHandler);
+ __terminate (header->exc.terminateHandler);
+
+ __cxa_free_dependent_exception (dep);
if (__sync_sub_and_fetch (&header->referenceCount, 1) == 0)
{
- if (header->exceptionDestructor)
- header->exceptionDestructor (header + 1);
+ if (header->exc.exceptionDestructor)
+ header->exc.exceptionDestructor (header + 1);
__cxa_free_exception (header + 1);
}
std::rethrow_exception(std::exception_ptr ep)
{
void *obj = ep._M_get();
- __cxa_exception *eh = __get_exception_header_from_obj (obj);
+ __cxa_refcounted_exception *eh
+ = __get_refcounted_exception_header_from_obj (obj);
__cxa_dependent_exception *dep = __cxa_allocate_dependent_exception ();
dep->primaryException = obj;
// Some sort of unwinding error. Note that terminate is a handler.
__cxa_begin_catch (&dep->unwindHeader);
- std::terminate ();
+ std::terminate();
}
+
+#undef _GLIBCXX_EH_PTR_COMPAT
+
+#endif
OSDN Git Service
