1 //===-- GPU Implementation of fopen ---------------------------------------===// 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 //===----------------------------------------------------------------------===// 8 9 #include "src/stdio/fopen.h" 10 #include "src/__support/CPP/string_view.h" 11 #include "src/__support/macros/config.h" 12 #include "src/stdio/gpu/file.h" 13 14 #include "hdr/types/FILE.h" 15 16 namespace LIBC_NAMESPACE_DECL { 17 18 LLVM_LIBC_FUNCTION(::FILE *, fopen, 19 (const char *__restrict path, const char *__restrict mode)) { 20 uintptr_t file; 21 rpc::Client::Port port = rpc::client.open<LIBC_OPEN_FILE>(); 22 port.send_n(path, internal::string_length(path) + 1); 23 port.send_and_recv( 24 [=](rpc::Buffer *buffer, uint32_t) { 25 inline_memcpy(buffer->data, mode, internal::string_length(mode) + 1); 26 }, 27 [&](rpc::Buffer *buffer, uint32_t) { file = buffer->data[0]; }); 28 port.close(); 29 30 return reinterpret_cast<FILE *>(file); 31 } 32 33 } // namespace LIBC_NAMESPACE_DECL 34