#include <sys/types.h>
#include <sys/param.h>
#include <sys/proc.h>
#include <sys/module.h>
#include <sys/sysent.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/eventhandler.h>

#define	CRASH_PROOF	0

struct mtx	test_lock;

static int
test_modevent(module_t mod, int type, void *unused)
{
	switch (type) {
	case MOD_LOAD:
		mtx_init(&test_lock, "test_module", "lock 1", MTX_DEF);
		printf("test module loaded\n");
		return (0);
	case MOD_UNLOAD:
#if	CRASH_PROOF
		mtx_destroy(&test_lock);
#endif
		printf("test module unloaded\n");
		return (0);
	}
	return (EINVAL);
}

static moduledata_t test_mod = {
	"test",
	test_modevent,
	0
};
DECLARE_MODULE(test, test_mod, SI_SUB_DRIVERS, SI_ORDER_ANY);
MODULE_VERSION(test, 1);