office-gobmx/sal/osl/all/debugbase.cxx
Mike Kaganski ad686b26ce No need to use SAL_THROW_EXTERN_C macro in CXX
Change-Id: I6eb9f0431a9402479a2d90d5b6f68b611d52a9f9
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/175957
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
2024-11-02 22:16:06 +01:00

141 lines
4.3 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#include <rtl/string.hxx>
#include <rtl/ustring.hxx>
#include <osl/process.h>
#include <osl/diagnose.hxx>
#include <sal/log.hxx>
#include <o3tl/string_view.hxx>
#include <algorithm>
#include <vector>
namespace {
const std::vector<OString>& StaticDebugBaseAddressFilter()
{
static const std::vector<OString> theFilter = []()
{
std::vector<OString> vec;
rtl_uString * pStr = nullptr;
if (osl_getEnvironment( u"OSL_DEBUGBASE_STORE_ADDRESSES"_ustr.pData, &pStr )
== osl_Process_E_None)
{
OUString const str(pStr);
rtl_uString_release(pStr);
sal_Int32 nIndex = 0;
do {
vec.push_back( OUStringToOString(
o3tl::getToken(str, 0, ';', nIndex ),
RTL_TEXTENCODING_ASCII_US ) );
}
while (nIndex >= 0);
}
return vec;
}();
return theFilter;
};
bool isSubStr( char const* pStr, OString const& subStr )
{
return rtl_str_indexOfStr( pStr, subStr.getStr() ) >= 0;
}
} // anon namespace
extern "C" {
// These functions presumably should not be extern "C", but changing
// that would break binary compatibility.
#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wreturn-type-c-linkage"
#endif
osl::Mutex & SAL_CALL osl_detail_ObjectRegistry_getMutex() noexcept
{
static osl::Mutex aMutex;
return aMutex;
}
#ifdef __clang__
#pragma clang diagnostic pop
#endif
bool SAL_CALL osl_detail_ObjectRegistry_storeAddresses( char const* pName ) noexcept
{
std::vector<OString> const& rVec = StaticDebugBaseAddressFilter();
if (rVec.empty())
return false;
// check for "all":
OString const& rFirst = rVec[0];
if ( rFirst == "all" )
return true;
auto const iEnd( rVec.cend() );
return std::any_of( rVec.begin(), iEnd,
[pName] (OString const& it) { return isSubStr(pName, it); });
}
bool SAL_CALL osl_detail_ObjectRegistry_checkObjectCount(
osl::detail::ObjectRegistryData const& rData, std::size_t nExpected ) noexcept
{
std::size_t nSize;
if (rData.m_bStoreAddresses)
nSize = rData.m_addresses.size();
else
nSize = static_cast<std::size_t>(rData.m_nCount);
bool const bRet = (nSize == nExpected);
SAL_WARN_IF(
!bRet, "sal.osl",
"unexpected number of " << rData.m_pName << ": " << nSize
<< "; Expected: " << nExpected);
return bRet;
}
void SAL_CALL osl_detail_ObjectRegistry_registerObject(
osl::detail::ObjectRegistryData & rData, void const* pObj ) noexcept
{
if (rData.m_bStoreAddresses) {
osl::MutexGuard const guard( osl_detail_ObjectRegistry_getMutex() );
std::pair<osl::detail::VoidPointerSet::iterator, bool> const insertion(
rData.m_addresses.insert(pObj) );
SAL_WARN_IF(!insertion.second, "sal.osl", "insertion failed!?");
}
else {
osl_atomic_increment(&rData.m_nCount);
}
}
void SAL_CALL osl_detail_ObjectRegistry_revokeObject(
osl::detail::ObjectRegistryData & rData, void const* pObj ) noexcept
{
if (rData.m_bStoreAddresses) {
osl::MutexGuard const guard( osl_detail_ObjectRegistry_getMutex() );
std::size_t const n = rData.m_addresses.erase(pObj);
SAL_WARN_IF(n != 1, "sal.osl", "erased more than 1 entry!?");
}
else {
osl_atomic_decrement(&rData.m_nCount);
}
}
} // extern "C"
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */