Contiki 2.6
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00001 /* 00002 * Copyright (c) 2005, Swedish Institute of Computer Science 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 3. Neither the name of the Institute nor the names of its contributors 00014 * may be used to endorse or promote products derived from this software 00015 * without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 00018 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 00021 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00022 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00023 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00024 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00025 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00026 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00027 * SUCH DAMAGE. 00028 * 00029 * This file is part of the Contiki operating system. 00030 * 00031 * @(#)$Id: dlloader.c,v 1.2 2008/02/07 15:53:43 oliverschmidt Exp $ 00032 */ 00033 #include <dlfcn.h> 00034 #include <stddef.h> 00035 #include <stdio.h> 00036 00037 #include "contiki.h" 00038 00039 /*---------------------------------------------------------------------------*/ 00040 int 00041 dlloader_load(char *path, char *arg) 00042 { 00043 void *handle; 00044 struct process **p; 00045 00046 /* Load and link the program. */ 00047 handle = dlopen(path, RTLD_NOW); 00048 00049 printf("Loading '%s'\n", path); 00050 00051 if(handle == NULL) { 00052 printf("dlloader_load: loading failed: %s\n", dlerror()); 00053 return LOADER_ERR_FMT; 00054 } 00055 00056 /* Find the processes to be started from the loaded program. */ 00057 p = dlsym(handle, "autostart_processes"); 00058 if(p == NULL) { 00059 printf("dlloader_load: could not find symbol 'autostart_processes'\n"); 00060 return LOADER_ERR_FMT; 00061 } 00062 00063 /* Start the process. */ 00064 00065 printf("Starting '%s'\n", PROCESS_NAME_STRING(*p)); 00066 process_start(*p, arg); 00067 00068 return LOADER_OK; 00069 } 00070 /*---------------------------------------------------------------------------*/