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 #include <systypes/format.h> 29 30 #include <stdio.h> 31 32 33 34 class local_Notifier : public Notifier 35 { 36 public: 37 long notify(notify_flags_t flags) 38 { 39 printf("Notified with flags: %" pFMTnotify_flags "x\n", flags); 40 41 return L4_EOK; 42 } 43 }; 44 45 46 47 int main(int argc, char *argv[]) 48 { 49 long err; 50 51 if (argc < 3) 52 { 53 printf("Need a region mapper and the actual program to run.\n"); 54 return 1; 55 } 56 57 char *rm_filename = argv[1]; 58 char *program_filename = argv[2]; 59 60 ProcessCreator creator(rm_filename); 61 file_t *program_file = client_open(program_filename, O_RDONLY); 62 63 if (!client_opened(program_file)) 64 { 65 printf("Could not open program file.\n"); 66 return 1; 67 } 68 69 local_Notifier notifier; 70 71 creator.set_notifier(¬ifier); 72 err = creator.start(program_file, argc - 2, (const char **) argv + 2); 73 74 if (err) 75 { 76 printf("Could not start process: %s\n", l4sys_errtostr(err)); 77 return 1; 78 } 79 80 printf("Finished program initiation.\n"); 81 printf("End of test.\n"); 82 83 /* NOTE: Should be able to obtain a notification for when the program 84 finishes, which might be done using a capability deletion IRQ. 85 Eventually, this program will operate as a server, invoking new 86 programs and handling termination. This test would then merely 87 involve the invocation of a utility function. */ 88 89 while (1) 90 l4_sleep_forever(); 91 92 return 0; 93 } 94 95 /* vim: tabstop=2 expandtab shiftwidth=2 96 */