/usr/include/diagnostics/allocation_database.hpp is in libdiagnostics-dev 0.3.3-9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Diagnostics - a unified framework for code annotation, logging,
* program monitoring, and unit-testing.
*
* Copyright (C) 2009 Christian Schallhart <christian@schallhart.net>,
* Michael Tautschnig <tautschnig@forsyte.de>
* 2008 model.in.tum.de group, FORSYTE group
* 2006-2007 model.in.tum.de group
* 2002-2005 Christian Schallhart
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef DIAGNOSTICS__EXTENSIONS__MEMORY__ALLOCATION_DATABASE__INCLUDE_GUARD
#define DIAGNOSTICS__EXTENSIONS__MEMORY__ALLOCATION_DATABASE__INCLUDE_GUARD
// used by value in the interface
#include <diagnostics/extensions/memory/tick.hpp>
DIAGNOSTICS_NAMESPACE_BEGIN;
MEMORY_NAMESAPCE_BEGIN;
class Allocation_Database
{
public:
/**
* @brief register an allocation-call
*/
static void register_allocation(void* const p, ::std::size_t const len);
/**
* @brief register a deallocation-call. Returns true if the block
* should be deallocated. At the moment, it returns false, if it
* does not know the block, thus it could be a double-deallocation.
*/
static bool register_deallocation(void* const p);
/**
* @brief reset the complete database
*/
static void reset();
/**
* @brief switch on analysis -- the register calls are ignored
* until the analysis is switched on. Afterwards, all calls are
* registered.
*
* @attention When using multiple threads: If other threads are
* working in the meantime, some allocation will, some other will
* not be registered. THUS, LET ALL OTHER THREADS WAIT WHILE
* SWITCHING ON/OFF THE ANALYSIS.
*
* @a logging indicates whether the allocations/deallocations
* should be reflected in the log. Multiple calls to analysis_on
* are allowed, a corresponding counter is increased.
*/
static void analysis_on(bool const logging);
/**
* @brief switch off analysis -- the converse to analysis_on. The
* calls must be symetric to analysis_on.
*
* @attention be aware of problems with multi-threading! see
* @ref analysis_on
*/
static void analysis_off(bool const logging);
/**
* @brief each registered allocation is associated with a
* creation_tick. This methods return the current creation_tick
* which allows to filter the database on currently allocated
* blocks.
*/
static Tick_t creation_tick();
/**
* @brief sets @a size to the number of bytes allocated after the
* creation_tick @a start_from. @a number is corresponding number
* of blocks.
*/
static void balance(Tick_t const start_from,
::std::size_t & size,
Tick_t & number);
/**
* @brief sets @a size to the total number of bytes allocated
* (precisely: returns the sum over all registered blocks). @a
* number is corresponding number of blocks.
*/
static void balance(::std::size_t & size,
Tick_t & number);
static Tick_t* unallocated_blocks(Tick_t const start_from,
Tick_t * const b,
Tick_t * const e);
};
MEMORY_NAMESAPCE_END;
DIAGNOSTICS_NAMESPACE_END;
#endif
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