Differential D19257 Diff 54237 head/sys/compat/linuxkpi/common/src/linux_current.c

Changeset View

Standalone View

head/sys/compat/linuxkpi/common/src/linux_current.c

Show First 20 Lines • Show All 212 Lines • ▼ Show 20 Lines	if (p != NULL) {
PROC_UNLOCK(p);		PROC_UNLOCK(p);
}		}
return (NULL);		return (NULL);
}		}

static void		static void
linux_current_init(void *arg __unused)		linux_current_init(void *arg __unused)
{		{
		lkpi_alloc_current = linux_alloc_current;
linuxkpi_thread_dtor_tag = EVENTHANDLER_REGISTER(thread_dtor,		linuxkpi_thread_dtor_tag = EVENTHANDLER_REGISTER(thread_dtor,
linuxkpi_thread_dtor, NULL, EVENTHANDLER_PRI_ANY);		linuxkpi_thread_dtor, NULL, EVENTHANDLER_PRI_ANY);
}		}
SYSINIT(linux_current, SI_SUB_EVENTHANDLER, SI_ORDER_SECOND, linux_current_init, NULL);		SYSINIT(linux_current, SI_SUB_EVENTHANDLER, SI_ORDER_SECOND, linux_current_init, NULL);

static void		static void
linux_current_uninit(void *arg __unused)		linux_current_uninit(void *arg __unused)
{		{
struct proc *p;		struct proc *p;
struct task_struct *ts;		struct task_struct *ts;
struct thread *td;		struct thread *td;

sx_slock(&allproc_lock);		sx_slock(&allproc_lock);
FOREACH_PROC_IN_SYSTEM(p) {		FOREACH_PROC_IN_SYSTEM(p) {
PROC_LOCK(p);		PROC_LOCK(p);
FOREACH_THREAD_IN_PROC(p, td) {		FOREACH_THREAD_IN_PROC(p, td) {
if ((ts = td->td_lkpi_task) != NULL) {		if ((ts = td->td_lkpi_task) != NULL) {
td->td_lkpi_task = NULL;		td->td_lkpi_task = NULL;
put_task_struct(ts);		put_task_struct(ts);
}		}
}		}
PROC_UNLOCK(p);		PROC_UNLOCK(p);
}		}
sx_sunlock(&allproc_lock);		sx_sunlock(&allproc_lock);

EVENTHANDLER_DEREGISTER(thread_dtor, linuxkpi_thread_dtor_tag);		EVENTHANDLER_DEREGISTER(thread_dtor, linuxkpi_thread_dtor_tag);
		lkpi_alloc_current = linux_alloc_current_noop;
}		}
SYSUNINIT(linux_current, SI_SUB_EVENTHANDLER, SI_ORDER_SECOND, linux_current_uninit, NULL);		SYSUNINIT(linux_current, SI_SUB_EVENTHANDLER, SI_ORDER_SECOND, linux_current_uninit, NULL);