xref: /llvm-project/libc/src/stdio/gpu/ftell.cpp (revision a6ef0debb1d60966b5bcc69f7d58a2b75c9c621d)
17ac8e26fSJoseph Huber //===-- GPU implementation of ftell ---------------------------------------===//
27ac8e26fSJoseph Huber //
37ac8e26fSJoseph Huber // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
47ac8e26fSJoseph Huber // See https://llvm.org/LICENSE.txt for license information.
57ac8e26fSJoseph Huber // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
67ac8e26fSJoseph Huber //
77ac8e26fSJoseph Huber //===----------------------------------------------------------------------===//
87ac8e26fSJoseph Huber 
97ac8e26fSJoseph Huber #include "src/stdio/ftell.h"
107ac8e26fSJoseph Huber #include "file.h"
115ff3ff33SPetr Hosek #include "src/__support/macros/config.h"
127ac8e26fSJoseph Huber 
135aed6d67SMichael Jones #include "hdr/types/FILE.h"
147ac8e26fSJoseph Huber 
155ff3ff33SPetr Hosek namespace LIBC_NAMESPACE_DECL {
167ac8e26fSJoseph Huber 
177ac8e26fSJoseph Huber LLVM_LIBC_FUNCTION(long, ftell, (::FILE * stream)) {
187ac8e26fSJoseph Huber   long ret;
19*a6ef0debSJoseph Huber   rpc::Client::Port port = rpc::client.open<LIBC_FSEEK>();
207ac8e26fSJoseph Huber   port.send_and_recv(
21be0c67c9SJoseph Huber       [=](rpc::Buffer *buffer, uint32_t) {
22be0c67c9SJoseph Huber         buffer->data[0] = file::from_stream(stream);
23be0c67c9SJoseph Huber       },
24be0c67c9SJoseph Huber       [&](rpc::Buffer *buffer, uint32_t) {
25be0c67c9SJoseph Huber         ret = static_cast<long>(buffer->data[0]);
26be0c67c9SJoseph Huber       });
277ac8e26fSJoseph Huber   port.close();
287ac8e26fSJoseph Huber   return ret;
297ac8e26fSJoseph Huber }
307ac8e26fSJoseph Huber 
315ff3ff33SPetr Hosek } // namespace LIBC_NAMESPACE_DECL
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