/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* 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 <mutex>
#include <osl/mutex.hxx>
static std::mutex gSolarMutex;
class SolarMutexGuard
{
std::unique_lock<std::mutex> lock;
public :
SolarMutexGuard()
: lock(gSolarMutex)
{
}
};
namespace test1
{
struct Foo
{
int m_foo;
int bar1()
// expected-error@+1 {{unnecessary locking [loplugin:unnecessarylocking]}}
{
SolarMutexGuard guard;
return 1 ;
}
// no warning expected
int bar2()
{
SolarMutexGuard guard;
return m_foo;
}
};
}
namespace test2
{
int free_function() { return 1 ; }
struct Foo
{
std::mutex m_aMutex;
osl::Mutex m_aOslMutex;
int m_foo;
int bar1()
// expected-error@+1 {{unnecessary locking [loplugin:unnecessarylocking]}}
{
std::unique_lock guard(m_aMutex);
return 1 ;
}
int bar2()
// expected-error@+1 {{unnecessary locking [loplugin:unnecessarylocking]}}
{
std::scoped_lock guard(m_aMutex);
return 1 ;
}
// no warning expected
int bar3()
{
std::scoped_lock guard(m_aMutex);
return m_foo;
}
int bar4()
// expected-error@+1 {{unnecessary locking [loplugin:unnecessarylocking]}}
{
::osl::Guard<::osl::Mutex> aGuard(m_aOslMutex);
return 1 ;
}
int bar5()
{
// expected-error@+1 {{unnecessary locking [loplugin:unnecessarylocking]}}
{
std::unique_lock guard(m_aMutex);
return free_function();
}
}
osl::Mutex& getOslMutex() { return m_aOslMutex; }
int bar6()
// expected-error@+1 {{unnecessary locking [loplugin:unnecessarylocking]}}
{
::osl::Guard<::osl::Mutex> aGuard(getOslMutex());
return 1 ;
}
};
}
// Calling anything on VCLUnoHelper means we need the SolarMutex
class VCLUnoHelper
{
public :
static int CreateToolkit();
};
namespace test4
{
// no warning expected
void bar1()
{
SolarMutexGuard guard;
VCLUnoHelper::CreateToolkit();
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
Messung V0.5 in Prozent C=88 H=100 G=94
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-09-28)
¤
*© Formatika GbR, Deutschland