Run DCE after a LoopFlatten test to reduce spurious output [nfc]
[llvm-project.git] / libc / src / __support / OSUtil / gpu / quick_exit.cpp
blob1a03be0ace6728e06388423ad06540f6300eb920
1 //===---------- GPU implementation of a quick exit function -----*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
9 #ifndef LLVM_LIBC_SRC___SUPPORT_OSUTIL_GPU_QUICK_EXIT_H
10 #define LLVM_LIBC_SRC___SUPPORT_OSUTIL_GPU_QUICK_EXIT_H
12 #include "quick_exit.h"
14 #include "src/__support/RPC/rpc_client.h"
15 #include "src/__support/macros/properties/architectures.h"
17 namespace LIBC_NAMESPACE {
19 void quick_exit(int status) {
20 // We want to first make sure the server is listening before we exit.
21 rpc::Client::Port port = rpc::client.open<RPC_EXIT>();
22 port.send_and_recv([](rpc::Buffer *) {}, [](rpc::Buffer *) {});
23 port.send([&](rpc::Buffer *buffer) {
24 reinterpret_cast<uint32_t *>(buffer->data)[0] = status;
25 });
26 port.close();
28 gpu::end_program();
31 } // namespace LIBC_NAMESPACE
33 #endif // LLVM_LIBC_SRC___SUPPORT_OSUTIL_GPU_QUICK_EXIT_H