/*
* thread_wire_internal:
*
* Specify that the target thread must always be able
* to run and to allocate memory.
*/
kern_return_t
thread_wire_internal(
host_priv_t host_priv,
thread_t thread,
boolean_t wired,
boolean_t *prev_state)
{
if (host_priv == NULL || thread != current_thread())
return (KERN_INVALID_ARGUMENT);
assert(host_priv == &realhost);
if (prev_state)
*prev_state = (thread->options & TH_OPT_VMPRIV) != 0;
if (wired) {
if (!(thread->options & TH_OPT_VMPRIV))
vm_page_free_reserve(1); /* XXX */
thread->options |= TH_OPT_VMPRIV;
}
else {
if (thread->options & TH_OPT_VMPRIV)
vm_page_free_reserve(-1); /* XXX */
thread->options &= ~TH_OPT_VMPRIV;
}
return (KERN_SUCCESS);
}
static void
thread_call_daemon(
__unused void *arg)
{
thread_t self = current_thread();
self->options |= TH_OPT_VMPRIV;
vm_page_free_reserve(2); /* XXX */
thread_call_daemon_continue(NULL);
/* NOTREACHED */
}
static void
thread_call_daemon(
thread_call_group_t group)
{
thread_t self = current_thread();
self->options |= TH_OPT_VMPRIV;
vm_page_free_reserve(2); /* XXX */
thread_call_daemon_continue(group);
/* NOTREACHED */
}
