Files
libreoffice/compilerplugins/clang/test/locking2.cxx
Noel Grandin 7ffa7e56c0 loplugin: new global analysis locking2
look for methods where we don't need to guard access
to the field, because the field is never modified

Change-Id: I62c33cc3f52881557515765d3733c4afc78547aa
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/155836
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2023-08-19 17:40:47 +02:00

51 lines
1.1 KiB
C++

/* -*- 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 <memory>
#include <osl/mutex.hxx>
static std::mutex gSolarMutex;
class SolarMutexGuard
{
std::unique_lock<std::mutex> lock;
public:
SolarMutexGuard()
: lock(gSolarMutex)
{
}
};
namespace test2
{
struct Foo
{
std::mutex m_aMutex;
int m_foo;
std::shared_ptr<Foo> m_foo2;
int bar3()
{
std::scoped_lock guard(m_aMutex);
// expected-error@+1 {{locked m_foo [loplugin:locking2]}}
return m_foo;
}
std::shared_ptr<Foo> bar4()
{
std::scoped_lock guard(m_aMutex);
// expected-error@+1 {{locked m_foo2 [loplugin:locking2]}}
return m_foo2;
}
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */