Atmosphere/libraries/libstratosphere/source/fssystem/buffers/fssystem_buffer_manager_utils.cpp
2020-04-04 02:37:21 -07:00

53 lines
1.9 KiB
C++

/*
* Copyright (c) 2018-2020 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::fssystem::buffers {
namespace {
/* TODO: os::SdkThreadLocalStorage g_buffer_manager_context_tls_slot; */
class ThreadLocalStorageWrapper {
private:
os::TlsSlot tls_slot;
public:
ThreadLocalStorageWrapper() { R_ABORT_UNLESS(os::AllocateTlsSlot(std::addressof(this->tls_slot), nullptr)); }
~ThreadLocalStorageWrapper() { os::FreeTlsSlot(this->tls_slot); }
void SetValue(uintptr_t value) { os::SetTlsValue(this->tls_slot, value); }
uintptr_t GetValue() const { return os::GetTlsValue(this->tls_slot); }
os::TlsSlot GetTlsSlot() const { return this->tls_slot; }
} g_buffer_manager_context_tls_slot;
}
void RegisterBufferManagerContext(const BufferManagerContext *context) {
g_buffer_manager_context_tls_slot.SetValue(reinterpret_cast<uintptr_t>(context));
}
BufferManagerContext *GetBufferManagerContext() {
return reinterpret_cast<BufferManagerContext *>(g_buffer_manager_context_tls_slot.GetValue());
}
void EnableBlockingBufferManagerAllocation() {
if (auto context = GetBufferManagerContext(); context != nullptr) {
context->SetNeedBlocking(true);
}
}
}