1 .\" Copyright (c) 2000 Alexander Langer
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27 .\" $FreeBSD: src/share/man/man9/module.9,v 1.5.2.2 2001/08/17 13:08:54 ru Exp $
28 .\" $DragonFly: src/share/man/man9/module.9,v 1.3 2004/06/01 11:36:53 hmp Exp $
35 .Nd structure describing a kernel module
37 Each module in the kernel is described by a
40 The structure contains the name of the device, a unique ID number,
41 a pointer to an event handler function and to an argument,
42 which is given to the event handler,
43 as well as some kernel internal data.
48 registers the module with the system.
49 When the module is loaded, the event handler function is called with
58 When the system is shutting down,
64 #include <sys/param.h>
65 #include <sys/kernel.h>
66 #include <sys/module.h>
68 static int foo_handler(module_t mod, int /*modeventtype_t*/ what,
71 static moduledata_t mod_data= {
77 MODULE_VERSION(foo, 1);
78 MODULE_DEPEND(foo, bar, 1, 3, 4);
80 DECLARE_MODULE(foo, mod_data, SI_SUB_EXEC, SI_ORDER_ANY);
83 .Xr DECLARE_MODULE 9 ,
87 .Xr MODULE_VERSION 9 ,
90 .Pa /usr/share/examples/kld
92 This man page was written by
93 .An Alexander Langer Aq alex@FreeBSD.org .