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      1 /*	$NetBSD: hello.c,v 1.1 2015/05/13 07:07:36 pgoyette Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2015 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include <sys/cdefs.h>
     30 __KERNEL_RCSID(0, "$NetBSD: hello.c,v 1.1 2015/05/13 07:07:36 pgoyette Exp $");
     31 
     32 #include <sys/param.h>
     33 #include <sys/module.h>
     34 
     35 /*
     36  * Last parameter of MODULE macro is a list of names (as string; names are
     37  * separated by commas) of dependencies.  If module has no dependencies,
     38  * then NULL should be passed.
     39  */
     40 
     41 MODULE(MODULE_CLASS_MISC, hello, NULL);
     42 
     43 static int
     44 hello_modcmd(modcmd_t cmd, void *arg __unused)
     45 {
     46 	switch (cmd) {
     47 	case MODULE_CMD_INIT:
     48 		printf("Example module loaded.\n");
     49 		break;
     50 
     51 	case MODULE_CMD_FINI:
     52 		printf("Example module unloaded.\n");
     53 		break;
     54 
     55 	case MODULE_CMD_STAT:
     56 		printf("Example module status queried.\n");
     57 		break;
     58 
     59 	default:
     60 		return ENOTTY;
     61 	}
     62 
     63 	return 0;
     64 }
     65