gecko/memory/mozalloc/throw_gcc.h
Jeff Walden 19508c446b Bug 711775 - Implement MOZ_NORETURN to encapsulate this-function-doesn't-return semantics. r=cjones
--HG--
extra : rebase_source : d56f3ef47e11c42b5fe6a442e13fd6202208914f
2011-12-17 16:45:29 -05:00

158 lines
4.2 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: sw=4 ts=4 et :
*/
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Code
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Chris Jones <jones.chris.g@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef mozilla_throw_gcc_h
#define mozilla_throw_gcc_h
#include "mozilla/Attributes.h"
#include "mozilla/Util.h"
#include <stdio.h> // snprintf
#include <string.h> // strerror
// For gcc, we define these inline to abort so that we're absolutely
// certain that (i) no exceptions are thrown from Gecko; (ii) these
// errors are always terminal and caught by breakpad.
#include "mozilla/mozalloc_abort.h"
namespace std {
// NB: user code is not supposed to touch the std:: namespace. We're
// doing this after careful review because we want to define our own
// exception throwing semantics. Don't try this at home!
MOZ_NORETURN MOZ_ALWAYS_INLINE void
__throw_bad_exception(void)
{
mozalloc_abort("fatal: STL threw bad_exception");
}
MOZ_NORETURN MOZ_ALWAYS_INLINE void
__throw_bad_alloc(void)
{
mozalloc_abort("fatal: STL threw bad_alloc");
}
MOZ_NORETURN MOZ_ALWAYS_INLINE void
__throw_bad_cast(void)
{
mozalloc_abort("fatal: STL threw bad_cast");
}
MOZ_NORETURN MOZ_ALWAYS_INLINE void
__throw_bad_typeid(void)
{
mozalloc_abort("fatal: STL threw bad_typeid");
}
MOZ_NORETURN MOZ_ALWAYS_INLINE void
__throw_logic_error(const char* msg)
{
mozalloc_abort(msg);
}
MOZ_NORETURN MOZ_ALWAYS_INLINE void
__throw_domain_error(const char* msg)
{
mozalloc_abort(msg);
}
MOZ_NORETURN MOZ_ALWAYS_INLINE void
__throw_invalid_argument(const char* msg)
{
mozalloc_abort(msg);
}
MOZ_NORETURN MOZ_ALWAYS_INLINE void
__throw_length_error(const char* msg)
{
mozalloc_abort(msg);
}
MOZ_NORETURN MOZ_ALWAYS_INLINE void
__throw_out_of_range(const char* msg)
{
mozalloc_abort(msg);
}
MOZ_NORETURN MOZ_ALWAYS_INLINE void
__throw_runtime_error(const char* msg)
{
mozalloc_abort(msg);
}
MOZ_NORETURN MOZ_ALWAYS_INLINE void
__throw_range_error(const char* msg)
{
mozalloc_abort(msg);
}
MOZ_NORETURN MOZ_ALWAYS_INLINE void
__throw_overflow_error(const char* msg)
{
mozalloc_abort(msg);
}
MOZ_NORETURN MOZ_ALWAYS_INLINE void
__throw_underflow_error(const char* msg)
{
mozalloc_abort(msg);
}
MOZ_NORETURN MOZ_ALWAYS_INLINE void
__throw_ios_failure(const char* msg)
{
mozalloc_abort(msg);
}
MOZ_NORETURN MOZ_ALWAYS_INLINE void
__throw_system_error(int err)
{
char error[128];
snprintf(error, sizeof(error)-1,
"fatal: STL threw system_error: %s (%d)", strerror(err), err);
mozalloc_abort(error);
}
} // namespace std
#endif // mozilla_throw_gcc_h