32 lines
824 B
C++
32 lines
824 B
C++
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
//
|
||
|
|
// Part of CUDA Experimental in CUDA C++ Core Libraries,
|
||
|
|
// under the Apache License v2.0 with LLVM Exceptions.
|
||
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
||
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
||
|
|
// SPDX-FileCopyrightText: Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#include <stdexcept>
|
||
|
|
|
||
|
|
#include "errors.h"
|
||
|
|
|
||
|
|
bool try_push_context()
|
||
|
|
{
|
||
|
|
CUcontext context = nullptr;
|
||
|
|
|
||
|
|
check(cuCtxGetCurrent(&context));
|
||
|
|
|
||
|
|
if (context == nullptr)
|
||
|
|
{
|
||
|
|
const int default_device = 0;
|
||
|
|
check(cuDevicePrimaryCtxRetain(&context, default_device));
|
||
|
|
check(cuCtxPushCurrent(context));
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|