1 /* 2 * A process server providing a way of creating new processes. 3 * 4 * Copyright (C) 2023 Paul Boddie <paul@boddie.org.uk> 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation; either version 2 of 9 * the License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA 20 */ 21 22 #include <l4/sys/debugger.h> 23 #include <l4/sys/err.h> 24 25 #include <fsclient/client.h> 26 #include <ipc/thread.h> 27 28 #include <stdio.h> 29 #include <stdlib.h> 30 31 #include <exec/process_creator_resource.h> 32 #include <resource/resource_server.h> 33 #include <systypes/env.h> 34 #include <systypes/fcntl.h> 35 36 37 38 /* Server program. */ 39 40 int main(int argc, char *argv[]) 41 { 42 l4_debugger_set_object_name(l4re_env()->main_thread, "process_server"); 43 44 if (argc < 2) 45 { 46 printf("Need a region mapper.\n"); 47 return 1; 48 } 49 50 char *rm_filename = argv[1]; 51 const char *server_name = (argc > 2) ? argv[2] : ENV_PROCESS_SERVER_NAME; 52 long err; 53 54 /* Introduce concurrency control. */ 55 56 err = ipc_thread_init(); 57 58 if (err) 59 { 60 printf("Initialisation error: %s\n", l4sys_errtostr(err)); 61 return 1; 62 } 63 64 file_t *rm_file = client_open(rm_filename, O_RDONLY); 65 66 if (!client_opened(rm_file)) 67 { 68 err = (rm_file == NULL) ? -L4_ENOMEM : rm_file->error; 69 printf("Could not open region mapper file: %s\n", l4sys_errtostr(err)); 70 return 1; 71 } 72 73 ProcessCreatorResource creator(rm_filename, rm_file); 74 75 /* Register a server associating it with the given object. */ 76 77 ResourceServer server(&creator); 78 err = server.bind(server_name); 79 80 if (err) 81 { 82 printf("Could not bind server: %s\n", l4sys_errtostr(err)); 83 return 1; 84 } 85 86 printf("Starting server...\n"); 87 server.start(); 88 return 0; 89 } 90 91 /* vim: tabstop=2 expandtab shiftwidth=2 92 */