proc: Receive new-task notifications on kernel's process port.

* proc/main.c (main): Initialize 'kernel_proc' and use it to register
for new-task notifications.
* proc/mgt.c (S_mach_notify_new_task): Adapt receiver check.
* proc/proc.h (kernel_proc): New variable.

1 files changed, 3 insertions, 1 deletions

diff --git a/proc/mgt.c b/proc/mgt.c
index 8dc82f11..dc3a19ee 100644
--- a/proc/mgt.c
+++ b/proc/mgt.c
@@ -1055,7 +1055,9 @@ S_mach_notify_new_task (struct port_info *notify,
 {
   struct proc *parentp, *childp;
 
-  if (! notify || notify->class != generic_port_class)
+  if (! notify
+      || (kernel_proc == NULL && notify->class != generic_port_class)
+      || (kernel_proc != NULL && notify != (struct port_info *) kernel_proc))
     return EOPNOTSUPP;
 
   parentp = task_find_nocreate (parent);