7 files changed, 1140 insertions, 0 deletions
diff --git a/sal/osl/all/compat.cxx b/sal/osl/all/compat.cxx
new file mode 100644
index 000000000..406c39229
--- /dev/null
+++ b/sal/osl/all/compat.cxx
@@ -0,0 +1,167 @@
+/* -*- 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/.
+ */
+
+#include <sal/config.h>
+
+#include <cstdlib>
+
+#include <osl/module.h>
+#include <osl/pipe.h>
+#include <osl/socket.h>
+#include <osl/time.h>
+#include <sal/types.h>
+
+// Stubs for removed functionality, to be killed when we bump sal SONAME
+
+extern "C" {
+
+SAL_DLLPUBLIC_EXPORT sal_Bool SAL_CALL osl_acquireSemaphore(void *) {
+    for (;;) { std::abort(); } // avoid "must return a value" warnings
+}
+
+SAL_DLLPUBLIC_EXPORT int SAL_CALL osl_areCommandArgsSet() {
+    for (;;) { std::abort(); } // avoid "must return a value" warnings
+}
+
+SAL_DLLPUBLIC_EXPORT sal_Bool SAL_CALL osl_assertFailedLine(
+    char const *, sal_Int32, char const *)
+{
+    for (;;) { std::abort(); } // avoid "must return a value" warnings
+}
+
+SAL_DLLPUBLIC_EXPORT void SAL_CALL osl_breakDebug() {
+    std::abort();
+}
+
+SAL_DLLPUBLIC_EXPORT void * SAL_CALL osl_createSemaphore(sal_uInt32) {
+    for (;;) { std::abort(); } // avoid "must return a value" warnings
+}
+
+SAL_DLLPUBLIC_EXPORT void SAL_CALL osl_destroySemaphore(void *) {
+    std::abort();
+}
+
+SAL_DLLPUBLIC_EXPORT sal_Bool SAL_CALL osl_getEthernetAddress(sal_uInt8 *) {
+    for (;;) { std::abort(); } // avoid "must return a value" warnings
+}
+
+SAL_DLLPUBLIC_EXPORT oslSocket SAL_CALL osl_receiveResourcePipe(oslPipe) {
+    for (;;) { std::abort(); } // avoid "must return a value" warnings
+}
+
+SAL_DLLPUBLIC_EXPORT sal_Bool SAL_CALL osl_releaseSemaphore(void *) {
+    for (;;) { std::abort(); } // avoid "must return a value" warnings
+}
+
+SAL_DLLPUBLIC_EXPORT sal_Int32 SAL_CALL osl_reportError(
+    sal_uInt32, char const *)
+{
+    for (;;) { std::abort(); } // avoid "must return a value" warnings
+}
+
+SAL_DLLPUBLIC_EXPORT sal_Bool SAL_CALL osl_sendResourcePipe(oslPipe, oslSocket)
+{
+    for (;;) { std::abort(); } // avoid "must return a value" warnings
+}
+
+namespace {
+typedef void (* pfunc_osl_printDebugMessage)(char const *);
+}
+SAL_DLLPUBLIC_EXPORT pfunc_osl_printDebugMessage SAL_CALL
+osl_setDebugMessageFunc(pfunc_osl_printDebugMessage) {
+    for (;;) { std::abort(); } // avoid "must return a value" warnings
+}
+
+namespace {
+typedef void (* pfunc_osl_printDetailedDebugMessage)(
+    char const *, sal_Int32, char const *);
+}
+SAL_DLLPUBLIC_EXPORT pfunc_osl_printDetailedDebugMessage SAL_CALL
+osl_setDetailedDebugMessageFunc(pfunc_osl_printDetailedDebugMessage) {
+    for (;;) { std::abort(); } // avoid "must return a value" warnings
+}
+
+SAL_DLLPUBLIC_EXPORT void SAL_CALL osl_trace(char const *, ...) {
+    std::abort();
+}
+
+SAL_DLLPUBLIC_EXPORT sal_Bool SAL_CALL osl_tryToAcquireSemaphore(void *) {
+    for (;;) { std::abort(); } // avoid "must return a value" warnings
+}
+
+SAL_DLLPUBLIC_EXPORT sal_Int32 SAL_CALL rtl_addUnloadingListener(
+    void (SAL_CALL *)(void *), void *)
+{
+    for (;;) { std::abort(); } // avoid "must return a value" warnings
+}
+
+SAL_DLLPUBLIC_EXPORT sal_Int32 SAL_CALL rtl_compareMemory(
+    void const *, void const *, sal_Size)
+{
+    for (;;) { std::abort(); } // avoid "must return a value" warnings
+}
+
+SAL_DLLPUBLIC_EXPORT void SAL_CALL rtl_copyMemory(
+    void *, void const *, sal_Size)
+{
+    std::abort();
+}
+
+SAL_DLLPUBLIC_EXPORT void SAL_CALL rtl_fillMemory(void *, sal_Size, sal_uInt8) {
+    std::abort();
+}
+
+SAL_DLLPUBLIC_EXPORT void * SAL_CALL rtl_findInMemory(
+    void const *, sal_uInt8, sal_Size)
+{
+    for (;;) { std::abort(); } // avoid "must return a value" warnings
+}
+
+SAL_DLLPUBLIC_EXPORT void SAL_CALL rtl_moveMemory(
+    void *, void const *, sal_Size)
+{
+    std::abort();
+}
+
+SAL_DLLPUBLIC_EXPORT sal_Bool SAL_CALL rtl_registerModuleForUnloading(oslModule)
+{
+    for (;;) { std::abort(); } // avoid "must return a value" warnings
+}
+
+SAL_DLLPUBLIC_EXPORT void SAL_CALL rtl_removeUnloadingListener(sal_Int32) {
+    std::abort();
+}
+
+SAL_DLLPUBLIC_EXPORT void SAL_CALL rtl_unloadUnusedModules(TimeValue *) {
+    std::abort();
+}
+
+SAL_DLLPUBLIC_EXPORT void SAL_CALL rtl_unregisterModuleForUnloading(oslModule) {
+    std::abort();
+}
+
+SAL_DLLPUBLIC_EXPORT void SAL_CALL rtl_zeroMemory(void *, sal_Size) {
+    std::abort();
+}
+
+SAL_DLLPUBLIC_EXPORT void SAL_CALL rtl_logfile_trace( const char*, ... ) {
+    std::abort();
+}
+
+SAL_DLLPUBLIC_EXPORT void SAL_CALL rtl_logfile_longTrace(char const *, ...) {
+    std::abort();
+}
+
+SAL_DLLPUBLIC_EXPORT sal_Bool SAL_CALL rtl_logfile_hasLogFile() {
+    for (;;) { std::abort(); } // avoid "must return a value" warnings
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sal/osl/all/debugbase.cxx b/sal/osl/all/debugbase.cxx
new file mode 100644
index 000000000..209dc55e1
--- /dev/null
+++ b/sal/osl/all/debugbase.cxx
@@ -0,0 +1,145 @@
+/* -*- 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/strbuf.hxx>
+#include <rtl/string.hxx>
+#include <rtl/ustring.hxx>
+#include <osl/process.h>
+#include <osl/diagnose.hxx>
+#include <sal/log.hxx>
+
+#include <algorithm>
+#include <vector>
+
+namespace {
+
+struct StaticDebugBaseAddressFilter
+    : rtl::StaticWithInit<std::vector<OString>, StaticDebugBaseAddressFilter> {
+    std::vector<OString> operator()() const {
+        std::vector<OString> vec;
+        rtl_uString * pStr = nullptr;
+        OUString const name(
+            "OSL_DEBUGBASE_STORE_ADDRESSES" );
+        if (osl_getEnvironment( name.pData, &pStr ) == osl_Process_E_None) {
+            OUString const str(pStr);
+            rtl_uString_release(pStr);
+            sal_Int32 nIndex = 0;
+            do {
+                vec.push_back( OUStringToOString(
+                                   str.getToken( 0, ';', nIndex ),
+                                   RTL_TEXTENCODING_ASCII_US ) );
+            }
+            while (nIndex >= 0);
+        }
+        return vec;
+    }
+};
+
+bool isSubStr( char const* pStr, OString const& subStr )
+{
+    return rtl_str_indexOfStr( pStr, subStr.getStr() ) >= 0;
+}
+
+struct DebugBaseMutex : rtl::Static<osl::Mutex, DebugBaseMutex> {};
+
+} // 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()
+{
+    return DebugBaseMutex::get();
+}
+#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::get();
+    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: */
diff --git a/sal/osl/all/filepath.cxx b/sal/osl/all/filepath.cxx
new file mode 100644
index 000000000..afba01739
--- /dev/null
+++ b/sal/osl/all/filepath.cxx
@@ -0,0 +1,113 @@
+/* -*- 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 <osl/file.h>
+#include <rtl/ustring.h>
+#include <cassert>
+
+static sal_uInt32 osl_defCalcTextWidth( rtl_uString *ustrText )
+{
+    return ustrText ? ustrText->length : 0;
+}
+
+oslFileError SAL_CALL osl_abbreviateSystemPath( rtl_uString *ustrSystemPath, rtl_uString **pustrCompacted, sal_uInt32 uMaxWidth, oslCalcTextWidthFunc pfnCalcWidth )
+{
+    rtl_uString     *ustrPath = nullptr;
+    rtl_uString     *ustrFile = nullptr;
+    sal_uInt32      uPathWidth, uFileWidth;
+
+    if ( !pfnCalcWidth )
+        pfnCalcWidth = osl_defCalcTextWidth;
+
+    {
+        sal_Int32   iLastSlash = rtl_ustr_lastIndexOfChar_WithLength( ustrSystemPath->buffer, ustrSystemPath->length, SAL_PATHDELIMITER );
+
+        if ( iLastSlash >= 0 )
+        {
+            rtl_uString_newFromStr_WithLength( &ustrPath, ustrSystemPath->buffer, iLastSlash );
+            rtl_uString_newFromStr_WithLength( &ustrFile, &ustrSystemPath->buffer[iLastSlash], ustrSystemPath->length - iLastSlash );
+        }
+        else
+        {
+            rtl_uString_new( &ustrPath );
+            rtl_uString_newFromString( &ustrFile, ustrSystemPath );
+        }
+    }
+
+    assert(ustrPath && ustrFile);
+
+    uPathWidth = pfnCalcWidth( ustrPath );
+    uFileWidth = pfnCalcWidth( ustrFile );
+
+    /* First abbreviate the directory component of the path */
+
+    while ( uPathWidth + uFileWidth > uMaxWidth )
+    {
+        if ( ustrPath->length > 3 )
+        {
+            ustrPath->length--;
+            ustrPath->buffer[ustrPath->length-3] = '.';
+            ustrPath->buffer[ustrPath->length-2] = '.';
+            ustrPath->buffer[ustrPath->length-1] = '.';
+            ustrPath->buffer[ustrPath->length] = 0;
+
+            uPathWidth = pfnCalcWidth( ustrPath );
+        }
+        else
+            break;
+    }
+
+    /* Now abbreviate file component */
+
+    while ( uPathWidth + uFileWidth > uMaxWidth )
+    {
+        if ( ustrFile->length > 4 )
+        {
+            ustrFile->length--;
+            ustrFile->buffer[ustrFile->length-3] = '.';
+            ustrFile->buffer[ustrFile->length-2] = '.';
+            ustrFile->buffer[ustrFile->length-1] = '.';
+            ustrFile->buffer[ustrFile->length] = 0;
+
+            uFileWidth = pfnCalcWidth( ustrFile );
+        }
+        else
+            break;
+    }
+
+    rtl_uString_newConcat( pustrCompacted, ustrPath, ustrFile );
+
+    /* Event now if path was compacted to ".../..." it can be too large */
+
+    uPathWidth += uFileWidth;
+
+    while ( uPathWidth > uMaxWidth )
+    {
+        (*pustrCompacted)->length--;
+        (*pustrCompacted)->buffer[(*pustrCompacted)->length] = 0;
+        uPathWidth = pfnCalcWidth( *pustrCompacted );
+    }
+
+    rtl_uString_release(ustrPath);
+    rtl_uString_release(ustrFile);
+
+    return osl_File_E_None;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sal/osl/all/loadmodulerelative.cxx b/sal/osl/all/loadmodulerelative.cxx
new file mode 100644
index 000000000..242bb6210
--- /dev/null
+++ b/sal/osl/all/loadmodulerelative.cxx
@@ -0,0 +1,60 @@
+/* -*- 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 <sal/config.h>
+
+#include <cstddef>
+
+#include <sal/log.hxx>
+#include <osl/module.h>
+#include <osl/module.hxx>
+#include <rtl/malformeduriexception.hxx>
+#include <rtl/uri.hxx>
+#include <rtl/ustring.h>
+#include <rtl/ustring.hxx>
+#include <sal/types.h>
+
+extern "C" {
+
+#ifndef DISABLE_DYNLOADING
+
+oslModule SAL_CALL osl_loadModuleRelative(
+    oslGenericFunction const baseModule, rtl_uString * const relativePath,
+    sal_Int32 const mode)
+{
+    OUString base;
+    if (!osl::Module::getUrlFromAddress(baseModule, base)) {
+        SAL_INFO("sal.osl","osl::Module::getUrlFromAddress failed");
+        return nullptr;
+    }
+    OUString abs;
+    try {
+        abs = rtl::Uri::convertRelToAbs(base, relativePath);
+    } catch (const rtl::MalformedUriException & e) {
+        SAL_INFO("sal.osl", "rtl::MalformedUriException <" << e.getMessage() << ">");
+        return nullptr;
+    }
+    return osl_loadModule(abs.pData, mode);
+}
+
+#endif // !DISABLE_DYNLOADING
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sal/osl/all/log.cxx b/sal/osl/all/log.cxx
new file mode 100644
index 000000000..ed663076b
--- /dev/null
+++ b/sal/osl/all/log.cxx
@@ -0,0 +1,445 @@
+/* -*- 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/.
+ */
+
+#include <sal/config.h>
+
+#include <cassert>
+#include <cstdarg>
+#include <cstddef>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <sstream>
+
+#include <stdio.h>
+#include <string.h>
+#include <fstream>
+
+#include <config_global.h>
+#include <osl/thread.hxx>
+#include <rtl/string.h>
+#include <sal/detail/log.h>
+#include <sal/log.hxx>
+#include <sal/types.h>
+#include <backtraceasstring.hxx>
+#include <salusesyslog.hxx>
+
+#if defined ANDROID
+#include <android/log.h>
+#elif defined _WIN32
+#include <process.h>
+#include <windows.h>
+#define OSL_DETAIL_GETPID _getpid()
+#else
+#include <unistd.h>
+#define OSL_DETAIL_GETPID getpid()
+#endif
+
+#if HAVE_SYSLOG_H
+#include <syslog.h>
+// sal/osl/unx/salinit.cxx::sal_detail_initialize updates this:
+bool sal_use_syslog;
+#else
+bool const sal_use_syslog = false;
+#endif
+
+// Avoid the use of other sal code in this file as much as possible, so that
+// this code can be called from other sal code without causing endless
+// recursion.
+
+namespace {
+
+struct TimeContainer
+{
+    TimeValue aTime;
+    TimeContainer()
+    {
+        osl_getSystemTime(&aTime);
+    }
+};
+
+TimeContainer aStartTime;
+
+bool equalStrings(
+    char const * string1, std::size_t length1, char const * string2,
+    std::size_t length2)
+{
+    return length1 == length2 && std::memcmp(string1, string2, length1) == 0;
+}
+
+#if !defined ANDROID
+char const * toString(sal_detail_LogLevel level) {
+    switch (level) {
+    case SAL_DETAIL_LOG_LEVEL_INFO:
+        return "info";
+    case SAL_DETAIL_LOG_LEVEL_WARN:
+        return "warn";
+    case SAL_DETAIL_LOG_LEVEL_DEBUG:
+        return "debug";
+    default:
+        assert(false); // this cannot happen
+        return "broken";
+    }
+}
+#endif
+
+#ifdef _WIN32
+
+char const* setEnvFromLoggingIniFile(const char* env, const char* key)
+{
+    char const* sResult = nullptr;
+    wchar_t buffer[MAX_PATH];
+    GetModuleFileNameW(nullptr, buffer, MAX_PATH);
+    std::wstring sProgramDirectory(buffer);
+    std::wstring::size_type pos = sProgramDirectory.find_last_of(L"\\/");
+    sProgramDirectory = sProgramDirectory.substr(0, pos+1);
+    sProgramDirectory += L"logging.ini";
+
+    std::ifstream logFileStream(sProgramDirectory);
+    if (!logFileStream.good())
+        return sResult;
+
+    std::size_t n;
+    std::string aKey;
+    std::string sWantedKey(key);
+    std::string sLine;
+    while (std::getline(logFileStream, sLine)) {
+        if (sLine.find('#') == 0)
+            continue;
+        if ( ( n = sLine.find('=') ) != std::string::npos) {
+            aKey = sLine.substr(0, n);
+            if (aKey != sWantedKey)
+                continue;
+            _putenv_s(env, sLine.substr(n+1, sLine.length()).c_str());
+            sResult = std::getenv(env);
+            break;
+        }
+    }
+    return sResult;
+}
+#endif
+
+char const * getLogLevel() {
+    static char const* const pLevel = [] {
+        char const* pResult = nullptr;
+
+        // First check the environment variable, then the setting in logging.ini
+        char const* env = std::getenv("SAL_LOG");
+
+#ifdef _WIN32
+        if (!env)
+            env = setEnvFromLoggingIniFile("SAL_LOG", "LogLevel");
+#endif
+
+        if (env)
+        {
+            // Make a copy from the string in environment block
+            static std::string sLevel(env);
+            pResult = sLevel.c_str();
+        }
+        return pResult;
+    }();
+
+    return pLevel;
+}
+
+#if !defined ANDROID
+
+std::ofstream * getLogFile() {
+    static std::ofstream* const pFile = [] {
+        std::ofstream* pResult = nullptr;
+
+        // First check the environment variable, then the setting in logging.ini
+        char const* logFile = std::getenv("SAL_LOG_FILE");
+
+#ifdef _WIN32
+        if (!logFile)
+            logFile = setEnvFromLoggingIniFile("SAL_LOG_FILE", "LogFilePath");
+#endif
+
+        if (logFile)
+        {
+            // stays until process exits
+            static std::ofstream file(logFile, std::ios::app | std::ios::out);
+            pResult = &file;
+        }
+
+        return pResult;
+    }();
+
+    return pFile;
+}
+
+void maybeOutputTimestamp(std::ostringstream &s) {
+    static const std::pair<bool, bool> aFlags = [] {
+        char const* env = getLogLevel();
+        bool outputTimestamp = false;
+        bool outputRelativeTimer = false;
+        for (char const* p = env; p && *p;)
+        {
+            if (*p++ == '+')
+            {
+                char const * p1 = p;
+                while (*p1 != '.' && *p1 != '+' && *p1 != '-' && *p1 != '\0') {
+                    ++p1;
+                }
+                if (equalStrings(p, p1 - p, RTL_CONSTASCII_STRINGPARAM("TIMESTAMP")))
+                    outputTimestamp = true;
+                else if (equalStrings(p, p1 - p, RTL_CONSTASCII_STRINGPARAM("RELATIVETIMER")))
+                    outputRelativeTimer = true;
+                char const * p2 = p1;
+                while (*p2 != '+' && *p2 != '-' && *p2 != '\0') {
+                    ++p2;
+                }
+                p = p2;
+            }
+        }
+        return std::pair(outputTimestamp, outputRelativeTimer);
+    }();
+    const auto& [outputTimestamp, outputRelativeTimer] = aFlags;
+
+    if (outputTimestamp)
+    {
+        char ts[100];
+        TimeValue systemTime;
+        osl_getSystemTime(&systemTime);
+        TimeValue localTime;
+        osl_getLocalTimeFromSystemTime(&systemTime, &localTime);
+        oslDateTime dateTime;
+        osl_getDateTimeFromTimeValue(&localTime, &dateTime);
+        struct tm tm;
+        tm.tm_sec = dateTime.Seconds;
+        tm.tm_min = dateTime.Minutes;
+        tm.tm_hour = dateTime.Hours;
+        tm.tm_mday = dateTime.Day;
+        tm.tm_wday = dateTime.DayOfWeek;
+        tm.tm_mon = dateTime.Month - 1;
+        tm.tm_year = dateTime.Year - 1900;
+        tm.tm_yday = 0;
+        strftime(ts, sizeof(ts), "%Y-%m-%d:%H:%M:%S", &tm);
+        char milliSecs[11];
+        snprintf(milliSecs, sizeof(milliSecs), "%03u",
+                 static_cast<unsigned>(dateTime.NanoSeconds / 1000000));
+        s << ts << '.' << milliSecs << ':';
+    }
+    if (!outputRelativeTimer)
+        return;
+
+    TimeValue now;
+    osl_getSystemTime(&now);
+    int seconds = now.Seconds - aStartTime.aTime.Seconds;
+    int milliSeconds;
+    if (now.Nanosec < aStartTime.aTime.Nanosec)
+    {
+        seconds--;
+        milliSeconds = 1000 - (aStartTime.aTime.Nanosec - now.Nanosec) / 1000000;
+    }
+    else
+        milliSeconds = (now.Nanosec - aStartTime.aTime.Nanosec) / 1000000;
+    char relativeTimestamp[100];
+    snprintf(relativeTimestamp, sizeof(relativeTimestamp), "%d.%03d", seconds, milliSeconds);
+    s << relativeTimestamp << ':';
+}
+
+#endif
+
+}
+
+void sal_detail_log(
+    sal_detail_LogLevel level, char const * area, char const * where,
+    char const * message, sal_uInt32 backtraceDepth)
+{
+    std::ostringstream s;
+#if !defined ANDROID
+    // On Android, the area will be used as the "tag," and log info already
+    // contains timestamp and PID.
+    if (!sal_use_syslog) {
+        maybeOutputTimestamp(s);
+        s << toString(level) << ':';
+    }
+    if (level != SAL_DETAIL_LOG_LEVEL_DEBUG) {
+        s << area << ':';
+    }
+    s << OSL_DETAIL_GETPID << ':';
+#endif
+    s << osl::Thread::getCurrentIdentifier() << ':';
+    if (level == SAL_DETAIL_LOG_LEVEL_DEBUG) {
+        s << ' ';
+    } else {
+        const size_t nStrLen(std::strlen(SRCDIR "/"));
+        s << (where
+              + (std::strncmp(where, SRCDIR "/", nStrLen) == 0
+                 ? nStrLen : 0));
+    }
+    s << message;
+    if (backtraceDepth != 0) {
+        s << " at:\n" << osl::detail::backtraceAsString(backtraceDepth);
+    }
+
+#if defined ANDROID
+    int android_log_level;
+    switch (level) {
+    case SAL_DETAIL_LOG_LEVEL_INFO:
+        android_log_level = ANDROID_LOG_INFO;
+        break;
+    case SAL_DETAIL_LOG_LEVEL_WARN:
+        android_log_level = ANDROID_LOG_WARN;
+        break;
+    case SAL_DETAIL_LOG_LEVEL_DEBUG:
+        android_log_level = ANDROID_LOG_DEBUG;
+        break;
+    default:
+        android_log_level = ANDROID_LOG_INFO;
+        break;
+    }
+    __android_log_print(
+        android_log_level, area == 0 ? "LibreOffice" : area, "%s",
+        s.str().c_str());
+#else
+    if (sal_use_syslog) {
+#if HAVE_SYSLOG_H
+        int prio;
+        switch (level) {
+        case SAL_DETAIL_LOG_LEVEL_INFO:
+            prio = LOG_INFO;
+            break;
+        case SAL_DETAIL_LOG_LEVEL_WARN:
+            prio = LOG_WARNING;
+            break;
+        case SAL_DETAIL_LOG_LEVEL_DEBUG:
+            prio = LOG_DEBUG;
+            break;
+        default:
+            assert(false); // this cannot happen
+            prio = LOG_WARNING;
+        }
+        syslog(prio, "%s", s.str().c_str());
+#endif
+    } else {
+        // avoid calling getLogFile() more than once
+        static std::ofstream * logFile = getLogFile();
+        if (logFile) {
+            *logFile << s.str() << std::endl;
+        }
+        else {
+            s << '\n';
+#ifdef _WIN32
+            // write to Windows debugger console, too
+            OutputDebugStringA(s.str().c_str());
+#endif
+            std::fputs(s.str().c_str(), stderr);
+            std::fflush(stderr);
+        }
+    }
+#endif
+}
+
+void sal_detail_logFormat(
+    sal_detail_LogLevel level, char const * area, char const * where,
+    char const * format, ...)
+{
+    if (!sal_detail_log_report(level, area))
+        return;
+
+    std::va_list args;
+    va_start(args, format);
+    char buf[1024];
+    int const len = sizeof buf - RTL_CONSTASCII_LENGTH("...");
+    int n = vsnprintf(buf, len, format, args);
+    if (n < 0) {
+        std::strcpy(buf, "???");
+    } else if (n >= len) {
+        std::strcpy(buf + len - 1, "...");
+    }
+    sal_detail_log(level, area, where, buf, 0);
+    va_end(args);
+}
+
+sal_Bool sal_detail_log_report(sal_detail_LogLevel level, char const * area) {
+    if (level == SAL_DETAIL_LOG_LEVEL_DEBUG) {
+        return true;
+    }
+    assert(area != nullptr);
+    static char const* const env = [] {
+        char const* pResult =  getLogLevel();
+        if (!pResult)
+            pResult = "+WARN";
+        return pResult;
+    }();
+    std::size_t areaLen = std::strlen(area);
+    enum Sense { POSITIVE = 0, NEGATIVE = 1 };
+    std::size_t senseLen[2] = { 0, 1 };
+        // initial senseLen[POSITIVE] < senseLen[NEGATIVE], so that if there are
+        // no matching switches at all, the result will be negative (and
+        // initializing with 1 is safe as the length of a valid switch, even
+        // without the "+"/"-" prefix, will always be > 1)
+    bool seenWarn = false;
+    for (char const * p = env;;) {
+        Sense sense;
+        switch (*p++) {
+        case '\0':
+            if (level == SAL_DETAIL_LOG_LEVEL_WARN && !seenWarn)
+                return sal_detail_log_report(SAL_DETAIL_LOG_LEVEL_INFO, area);
+            return senseLen[POSITIVE] >= senseLen[NEGATIVE];
+                // if a specific item is both positive and negative
+                // (senseLen[POSITIVE] == senseLen[NEGATIVE]), default to
+                // positive
+        case '+':
+            sense = POSITIVE;
+            break;
+        case '-':
+            sense = NEGATIVE;
+            break;
+        default:
+            return true; // upon an illegal SAL_LOG value, enable everything
+        }
+        char const * p1 = p;
+        while (*p1 != '.' && *p1 != '+' && *p1 != '-' && *p1 != '\0') {
+            ++p1;
+        }
+        bool match;
+        if (equalStrings(p, p1 - p, RTL_CONSTASCII_STRINGPARAM("INFO"))) {
+            match = level == SAL_DETAIL_LOG_LEVEL_INFO;
+        } else if (equalStrings(p, p1 - p, RTL_CONSTASCII_STRINGPARAM("WARN")))
+        {
+            match = level == SAL_DETAIL_LOG_LEVEL_WARN;
+            seenWarn = true;
+        } else if (equalStrings(p, p1 - p, RTL_CONSTASCII_STRINGPARAM("TIMESTAMP")) ||
+                   equalStrings(p, p1 - p, RTL_CONSTASCII_STRINGPARAM("RELATIVETIMER")))
+        {
+            // handled later
+            match = false;
+        } else {
+            return true;
+                // upon an illegal SAL_LOG value, everything is considered
+                // positive
+        }
+        char const * p2 = p1;
+        while (*p2 != '+' && *p2 != '-' && *p2 != '\0') {
+            ++p2;
+        }
+        if (match) {
+            if (*p1 == '.') {
+                ++p1;
+                std::size_t n = p2 - p1;
+                if ((n == areaLen && equalStrings(p1, n, area, areaLen))
+                    || (n < areaLen && area[n] == '.'
+                        && equalStrings(p1, n, area, n)))
+                {
+                    senseLen[sense] = p2 - p;
+                }
+            } else {
+                senseLen[sense] = p1 - p;
+            }
+        }
+        p = p2;
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sal/osl/all/signalshared.cxx b/sal/osl/all/signalshared.cxx
new file mode 100644
index 000000000..d6998eb00
--- /dev/null
+++ b/sal/osl/all/signalshared.cxx
@@ -0,0 +1,161 @@
+/* -*- 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 <sal/config.h>
+
+#include <stdlib.h>
+
+#include <signalshared.hxx>
+
+#include <osl/diagnose.h>
+
+bool bInitSignal = false;
+
+namespace
+{
+oslSignalHandlerImpl* SignalList;
+oslMutex SignalListMutex;
+
+bool initSignal()
+{
+    SignalListMutex = osl_createMutex();
+
+    return onInitSignal();
+}
+
+bool deInitSignal()
+{
+    bool bRet = onDeInitSignal();
+
+    osl_destroyMutex(SignalListMutex);
+
+    return bRet;
+}
+
+}
+
+oslSignalAction callSignalHandler(oslSignalInfo* pInfo)
+{
+    oslSignalHandlerImpl* pHandler = SignalList;
+    oslSignalAction Action = osl_Signal_ActCallNextHdl;
+
+    while (pHandler)
+    {
+        if ((Action = pHandler->Handler(pHandler->pData, pInfo))
+                != osl_Signal_ActCallNextHdl)
+            break;
+
+        pHandler = pHandler->pNext;
+    }
+
+    return Action;
+}
+
+oslSignalHandler SAL_CALL osl_addSignalHandler(oslSignalHandlerFunction handler, void* pData)
+{
+    if (!handler)
+        return nullptr;
+
+    if (!bInitSignal)
+        bInitSignal = initSignal();
+
+    oslSignalHandlerImpl* pHandler = static_cast<oslSignalHandlerImpl*>(calloc(1, sizeof(oslSignalHandlerImpl)));
+
+    if (pHandler)
+    {
+        pHandler->Handler = handler;
+        pHandler->pData   = pData;
+
+        osl_acquireMutex(SignalListMutex);
+
+        pHandler->pNext = SignalList;
+        SignalList      = pHandler;
+
+        osl_releaseMutex(SignalListMutex);
+
+        return pHandler;
+    }
+
+    return nullptr;
+}
+
+sal_Bool SAL_CALL osl_removeSignalHandler(oslSignalHandler handler)
+{
+    if (!bInitSignal)
+        bInitSignal = initSignal();
+
+    osl_acquireMutex(SignalListMutex);
+
+    oslSignalHandlerImpl* pHandler = SignalList;
+    oslSignalHandlerImpl* pPrevious = nullptr;
+
+    while (pHandler)
+    {
+        if (pHandler == handler)
+        {
+            if (pPrevious)
+                pPrevious->pNext = pHandler->pNext;
+            else
+                SignalList = pHandler->pNext;
+
+            osl_releaseMutex(SignalListMutex);
+
+            if (!SignalList)
+                bInitSignal = deInitSignal();
+
+            free(pHandler);
+
+            return true;
+        }
+
+        pPrevious = pHandler;
+        pHandler  = pHandler->pNext;
+    }
+
+    osl_releaseMutex(SignalListMutex);
+
+    return false;
+}
+
+oslSignalAction SAL_CALL osl_raiseSignal(sal_Int32 userSignal, void* userData)
+{
+    if (!bInitSignal)
+        bInitSignal = initSignal();
+
+    osl_acquireMutex(SignalListMutex);
+
+    oslSignalInfo info;
+    info.Signal = osl_Signal_User;
+    info.UserSignal = userSignal;
+    info.UserData = userData;
+
+    oslSignalAction action = callSignalHandler(&info);
+
+    osl_releaseMutex(SignalListMutex);
+
+    return action;
+}
+
+sal_Bool SAL_CALL osl_setErrorReporting( sal_Bool /*bEnable*/ )
+{
+    // this is part of the stable API
+    return false;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sal/osl/all/utility.cxx b/sal/osl/all/utility.cxx
new file mode 100644
index 000000000..e22bdd3de
--- /dev/null
+++ b/sal/osl/all/utility.cxx
@@ -0,0 +1,49 @@
+/* -*- 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 <osl/time.h>
+
+/*
+ *   mfe : maybe it would be wishful to include initialization
+ *         of the global timer in dllmain or _init directly.
+ *         But nonetheless this (should) work too.
+ */
+namespace osl
+{
+
+namespace {
+
+class OGlobalTimer
+{
+
+public:
+
+    OGlobalTimer() {
+        osl_getGlobalTimer();
+    }
+
+};
+
+}
+
+static OGlobalTimer aGlobalTimer;
+
+} // namespace osl
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */