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//===---------- GPU implementation of a quick exit function -----*- C++ -*-===//
//
// Part of the LLVM Project, 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIBC_SRC_SUPPORT_OSUTIL_GPU_QUICK_EXIT_H
#define LLVM_LIBC_SRC_SUPPORT_OSUTIL_GPU_QUICK_EXIT_H
#include "quick_exit.h"
#include "src/__support/RPC/rpc_client.h"
#include "src/__support/macros/properties/architectures.h"
namespace __llvm_libc {
void quick_exit(int status) {
rpc::Client::Port port = rpc::client.open<rpc::EXIT>();
port.send([&](rpc::Buffer *buffer) {
reinterpret_cast<uint32_t *>(buffer->data)[0] = status;
});
port.close();
#if defined(LIBC_TARGET_ARCH_IS_NVPTX)
asm("exit;" ::: "memory");
#elif defined(LIBC_TARGET_ARCH_IS_AMDGPU)
// This will terminate the entire wavefront, may not be valid with divergent
// work items.
asm("s_endpgm" ::: "memory");
#endif
__builtin_unreachable();
}
} // namespace __llvm_libc
#endif // LLVM_LIBC_SRC_SUPPORT_OSUTIL_GPU_QUICK_EXIT_H
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