Adding upstream version 4:24.2.0.upstream/4%24.2.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 146 insertions, 0 deletions

diff --git a/sal/osl/all/debugbase.cxx b/sal/osl/all/debugbase.cxx
new file mode 100644
index 0000000000..08fccf5031
--- /dev/null
+++ b/sal/osl/all/debugbase.cxx
@@ -0,0 +1,146 @@
+/* -*- 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()
+    SAL_THROW_EXTERN_C()
+{
+    static osl::Mutex aMutex;
+    return aMutex;
+}
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
+
+bool SAL_CALL osl_detail_ObjectRegistry_storeAddresses( char const* pName )
+    SAL_THROW_EXTERN_C()
+{
+    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 )
+    SAL_THROW_EXTERN_C()
+{
+    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 )
+    SAL_THROW_EXTERN_C()
+{
+    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 )
+    SAL_THROW_EXTERN_C()
+{
+    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: */