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Atmosphere/libraries/libstratosphere/source/ddsf/ddsf_session_api.cpp
2020-11-14 03:37:51 -08:00

49 lines
1.6 KiB
C++

/*
* Copyright (c) 2018-2019 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stratosphere.hpp>
namespace ams::ddsf {
Result OpenSession(IDevice *device, ISession *session, AccessMode access_mode) {
/* Check pre-conditions. */
AMS_ASSERT(device != nullptr);
AMS_ASSERT(session != nullptr);
AMS_ASSERT(!session->IsOpen());
/* Attack the session to the device. */
session->AttachDevice(device, access_mode);
auto session_guard = SCOPE_GUARD { session->DetachDevice(); };
/* Attach the device to the session. */
R_TRY(device->AttachSession(session));
/* We succeeded. */
session_guard.Cancel();
return ResultSuccess();
}
void CloseSession(ISession *session) {
/* Check pre-conditions. */
AMS_ASSERT(session != nullptr);
/* Detach the device from the session. */
session->GetDevice().DetachSession(session);
/* Detach the session from the device. */
session->DetachDevice();
}
}