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//===-- Generic RPC server interface --------------------------------------===//
//
// 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_UTILS_GPU_LOADER_RPC_H
#define LLVM_LIBC_UTILS_GPU_LOADER_RPC_H
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <stddef.h>
#include "src/__support/RPC/rpc.h"
static __llvm_libc::rpc::Server server;
static __llvm_libc::cpp::Atomic<uint32_t> lock;
/// Queries the RPC client at least once and performs server-side work if there
/// are any active requests.
void handle_server() {
auto port = server.try_open();
if (!port)
return;
switch (port->get_opcode()) {
case __llvm_libc::rpc::Opcode::PRINT_TO_STDERR: {
uint64_t str_size;
char *str = nullptr;
port->recv_n([&](uint64_t size) {
str_size = size;
str = new char[size];
return str;
});
fwrite(str, str_size, 1, stderr);
delete[] str;
break;
}
case __llvm_libc::rpc::Opcode::EXIT: {
port->recv([](__llvm_libc::rpc::Buffer *buffer) {
exit(reinterpret_cast<uint32_t *>(buffer->data)[0]);
});
break;
}
case __llvm_libc::rpc::Opcode::TEST_INCREMENT: {
port->recv_and_send([](__llvm_libc::rpc::Buffer *buffer) {
reinterpret_cast<uint64_t *>(buffer->data)[0] += 1;
});
break;
}
default:
port->recv([](__llvm_libc::rpc::Buffer *) { /* no-op */ });
return;
}
port->close();
}
#endif
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