/* * Copyright (c) 2020 AIIT XUOS Lab * XiUOS is licensed under Mulan PSL v2. * You can use this software according to the terms and conditions of the Mulan PSL v2. * You may obtain a copy of Mulan PSL v2 at: * http://license.coscl.org.cn/MulanPSL2 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. * See the Mulan PSL v2 for more details. */ #include #include "libserial.h" #include "simple_service.h" #include "usyscall.h" /// @warning all the parameters should in the form of pointers /// for the true storing memory of parameters is session(shared memory between tasks) int IPC_DO_SERVE_FUNC(Ipc_add)(int* a, int* b) { return *a + *b; } int IPC_DO_SERVE_FUNC(Ipc_hello_string)(char* buf, int* len) { static char hello_string[] = "Hello, This is server!"; int copy_len = sizeof(hello_string) > *len ? *len : sizeof(hello_string); memcpy(buf, hello_string, copy_len); return 0; } IPC_SERVER_INTERFACE(Ipc_add, 2); IPC_SERVER_INTERFACE(Ipc_hello_string, 2); IPC_SERVER_REGISTER_INTERFACES(IpcSimpleServer, 2, Ipc_hello_string, Ipc_add); int main(int argc, char* argv[]) { if (register_server("SimpleServer") < 0) { printf("register server name: %s failed.\n", "SimpleServer"); exit(1); } ipc_server_loop(&IpcSimpleServer); // never reached exit(0); return 0; }