1 /* 2 * A pipe server. 3 * 4 * Copyright (C) 2020, 2021 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/err.h> 23 24 #include <ipc/thread.h> 25 26 #include <stdio.h> 27 #include <stdlib.h> 28 29 #include "memory_incremental.h" 30 #include "pipe_opener_resource.h" 31 #include "resource_server.h" 32 33 34 35 /* Default number of pages for pipes. */ 36 37 const unsigned int MEMORY_PAGES = 20; 38 39 40 41 /* Server program. */ 42 43 int main(int argc, char *argv[]) 44 { 45 long err; 46 47 /* Introduce concurrency control. */ 48 49 err = ipc_thread_init(); 50 51 if (err) 52 { 53 printf("Initialisation error: %s\n", l4sys_errtostr(err)); 54 return 1; 55 } 56 57 unsigned int memory_pages = MEMORY_PAGES; 58 59 if (argc > 1) 60 memory_pages = atoi(argv[1]); 61 62 /* Some memory plus infrastructure. */ 63 64 MemoryIncremental mem(memory_pages); 65 PipeOpenerResource opener(&mem); 66 67 /* Register a server associating it with the given object. */ 68 69 ResourceServer server(&opener); 70 err = server.bind("server"); 71 72 if (err) 73 { 74 printf("Could not bind server: %s\n", l4sys_errtostr(err)); 75 return 1; 76 } 77 78 printf("Starting server using %d pages...\n", memory_pages); 79 server.start(); 80 return 0; 81 } 82 83 // vim: tabstop=2 expandtab shiftwidth=2