1 /* 2 * Support for executing code in new tasks and threads. 3 * 4 * Copyright (C) 2022, 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/re/env.h> 23 #include <l4/sys/err.h> 24 #include <l4/util/util.h> 25 26 #include <exec/process_creator.h> 27 #include <systypes/fcntl.h> 28 29 #include <stdio.h> 30 31 32 33 int main(int argc, char *argv[]) 34 { 35 long err; 36 37 if (argc < 3) 38 { 39 printf("Need a region mapper and the actual program to run.\n"); 40 return 1; 41 } 42 43 char *rm_filename = argv[1]; 44 char *program_filename = argv[2]; 45 46 ProcessCreator creator(rm_filename); 47 file_t *program_file = client_open(program_filename, O_RDONLY); 48 49 if (!client_opened(program_file)) 50 { 51 printf("Could not open program file.\n"); 52 return 1; 53 } 54 55 err = creator.start(program_file, argc - 2, (const char **) argv + 2); 56 57 if (err) 58 { 59 printf("Could not start process: %s\n", l4sys_errtostr(err)); 60 return 1; 61 } 62 63 printf("Finished program initiation.\n"); 64 printf("End of test.\n"); 65 66 /* NOTE: Should be able to obtain a notification for when the program 67 finishes, which might be done using a capability deletion IRQ. 68 Eventually, this program will operate as a server, invoking new 69 programs and handling termination. This test would then merely 70 involve the invocation of a utility function. */ 71 72 while (1) 73 l4_sleep_forever(); 74 75 return 0; 76 } 77 78 /* vim: tabstop=2 expandtab shiftwidth=2 79 */