chore(kernel): remove unnecessary file

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2014-04-18 14:23:32 -07:00
parent 582352d647
commit d0dc16355b

View file

@ -1,45 +0,0 @@
/*
Copyright (c) 2013 Microsoft Corporation. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Author: Leonardo de Moura
*/
#pragma once
#include "util/shared_mutex.h"
#include "kernel/environment.h"
namespace lean {
/**
\brief The environment object is not thread safe.
The helper classes \c read_only_shared_environment and \c read_write_shared_environment
provides thread safe access to the environment object.
\remark We do not use these classes internally.
They are only used for implementing external APIs.
*/
class read_only_shared_environment {
ro_environment m_env;
shared_lock m_lock;
public:
read_only_shared_environment(ro_environment const & env);
~read_only_shared_environment();
operator ro_environment const &() const { return m_env; }
environment_cell const * operator->() const { return m_env.m_ptr.get(); }
environment_cell const & operator*() const { return *(m_env.m_ptr.get()); }
};
/**
\brief See \c read_only_shared_environment
*/
class read_write_shared_environment {
environment m_env;
exclusive_lock m_lock;
public:
read_write_shared_environment(environment const & env);
~read_write_shared_environment();
operator environment const &() const { return m_env; }
operator ro_environment() const { return ro_environment(m_env); }
environment_cell * operator->() const { return m_env.m_ptr.get(); }
environment_cell & operator*() const { return *(m_env.m_ptr.get()); }
};
}