Let jfw_isVMRunning return the result; there are no error conditions

Change-Id: I004b3d6f6b7b32d1bb41072d7fdd4a66f944d992
diff --git a/cui/source/options/optjava.cxx b/cui/source/options/optjava.cxx
index 4dda48d..843fc2e 100644
--- a/cui/source/options/optjava.cxx
+++ b/cui/source/options/optjava.cxx
@@ -323,12 +323,7 @@ IMPL_LINK_NOARG(SvxJavaOptionsPage, ParameterHdl_Impl, Button*, void)
        if ( !areListsEqual( aParameterList, m_pParamDlg->GetParameters() ) )
        {
            aParameterList = m_pParamDlg->GetParameters();
            bool bRunning = false;
            javaFrameworkError eErr = jfw_isVMRunning( &bRunning );
            DBG_ASSERT( JFW_E_NONE == eErr,
                        "SvxJavaOptionsPage::ParameterHdl_Impl(): error in jfw_isVMRunning" );
            (void)eErr;
            if ( bRunning )
            if ( jfw_isVMRunning() )
            {
                SolarMutexGuard aGuard;
                svtools::executeRestartDialog(comphelper::getProcessComponentContext(), nullptr, svtools::RESTART_REASON_ASSIGNING_JAVAPARAMETERS);
@@ -368,12 +363,7 @@ IMPL_LINK_NOARG(SvxJavaOptionsPage, ClassPathHdl_Impl, Button*, void)
        if ( m_pPathDlg->GetClassPath() != sClassPath )
        {
            sClassPath = m_pPathDlg->GetClassPath();
            bool bRunning = false;
            javaFrameworkError eErr = jfw_isVMRunning( &bRunning );
            DBG_ASSERT( JFW_E_NONE == eErr,
                        "SvxJavaOptionsPage::ParameterHdl_Impl(): error in jfw_isVMRunning" );
            (void)eErr;
            if ( bRunning )
            if ( jfw_isVMRunning() )
            {
                SolarMutexGuard aGuard;
                svtools::executeRestartDialog(comphelper::getProcessComponentContext(), nullptr, svtools::RESTART_REASON_ASSIGNING_FOLDERS);
@@ -683,11 +673,7 @@ bool SvxJavaOptionsPage::FillItemSet( SfxItemSet* /*rCoreSet*/ )
            {
                if (!pSelectedJava || !jfw_areEqualJavaInfo( pInfo, pSelectedJava.get() ) )
                {
                    bool bRunning = false;
                    eErr = jfw_isVMRunning( &bRunning );
                    DBG_ASSERT( JFW_E_NONE == eErr,
                                "SvxJavaOptionsPage::FillItemSet(): error in jfw_isVMRunning" );
                    if ( bRunning ||
                    if ( jfw_isVMRunning() ||
                        ( ( pInfo->nRequirements & JFW_REQUIRE_NEEDRESTART ) == JFW_REQUIRE_NEEDRESTART ) )
                    {
                        svtools::executeRestartDialog(
diff --git a/include/jvmfwk/framework.hxx b/include/jvmfwk/framework.hxx
index e941b9a..d212ed2 100644
--- a/include/jvmfwk/framework.hxx
+++ b/include/jvmfwk/framework.hxx
@@ -295,15 +295,10 @@ JVMFWK_DLLPUBLIC bool jfw_areEqualJavaInfo(
    By determining if a VM is running, the user can be presented a message,
    that the changed setting may not be effective immediately.</p>

    @param bRunning
    [out] true - a VM is running. <br/>
    false - no VM is running.

    @return
    JFW_E_NONE function ran successfully.<br/>
    JFW_E_INVALID_ARG the parameter <code>bRunning</code> was NULL.
    true iff a VM is running.
*/
JVMFWK_DLLPUBLIC javaFrameworkError jfw_isVMRunning(bool *bRunning);
JVMFWK_DLLPUBLIC bool jfw_isVMRunning();

/** detects a suitable JRE and configures the framework to use it.

diff --git a/jvmfwk/source/framework.cxx b/jvmfwk/source/framework.cxx
index 8447d32..751068c 100644
--- a/jvmfwk/source/framework.cxx
+++ b/jvmfwk/source/framework.cxx
@@ -684,16 +684,10 @@ javaFrameworkError jfw_getSelectedJRE(std::unique_ptr<JavaInfo> *ppInfo)
    return errcode;
}

javaFrameworkError jfw_isVMRunning(bool *bRunning)
bool jfw_isVMRunning()
{
    osl::MutexGuard guard(jfw::FwkMutex::get());
    if (bRunning == nullptr)
        return JFW_E_INVALID_ARG;
    if (g_pJavaVM == nullptr)
        *bRunning = false;
    else
        *bRunning = true;
    return JFW_E_NONE;
    return g_pJavaVM != nullptr;
}

javaFrameworkError jfw_getJavaInfoByPath(rtl_uString *pPath, std::unique_ptr<JavaInfo> *ppInfo)