32 lines · cpp
1//===-- GPU implementation of ftell ---------------------------------------===//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-exception6//7//===----------------------------------------------------------------------===//8 9#include "src/stdio/ftell.h"10 11#include "file.h"12#include "hdr/types/FILE.h"13#include "src/__support/common.h"14 15namespace LIBC_NAMESPACE_DECL {16 17LLVM_LIBC_FUNCTION(long, ftell, (::FILE * stream)) {18 long ret;19 rpc::Client::Port port = rpc::client.open<LIBC_FSEEK>();20 port.send_and_recv(21 [=](rpc::Buffer *buffer, uint32_t) {22 buffer->data[0] = file::from_stream(stream);23 },24 [&](rpc::Buffer *buffer, uint32_t) {25 ret = static_cast<long>(buffer->data[0]);26 });27 port.close();28 return ret;29}30 31} // namespace LIBC_NAMESPACE_DECL32