Author: avg
Date: Tue May 5 18:02:07 2009
New Revision: 191833
URL: http://svn.freebsd.org/changeset/base/191833
Log:
MFC r174848 by julian: give thread0 the tid 100000
... and bumpt the others to start at 100001.
This is convenient for ACPI code that needs a thread id that is
never zero.
Reviewed by: jkim
Approved by: jhb (mentor)
Modified:
stable/7/sys/ (props changed)
stable/7/sys/contrib/pf/ (props changed)
stable/7/sys/dev/ath/ath_hal/ (props changed)
stable/7/sys/dev/cxgb/ (props changed)
stable/7/sys/kern/init_main.c
stable/7/sys/kern/kern_thread.c
Modified: stable/7/sys/kern/init_main.c
==============================================================================
--- stable/7/sys/kern/init_main.c Tue May 5 17:22:48 2009
(r191832)
+++ stable/7/sys/kern/init_main.c Tue May 5 18:02:07 2009
(r191833)
@@ -425,6 +425,7 @@ proc0_init(void *dummy __unused)
knlist_init(&p->p_klist, &p->p_mtx, NULL, NULL, NULL);
STAILQ_INIT(&p->p_ktr);
p->p_nice = NZERO;
+ td->td_tid = PID_MAX + 1;
td->td_state = TDS_RUNNING;
td->td_pri_class = PRI_TIMESHARE;
td->td_user_pri = PUSER;
Modified: stable/7/sys/kern/kern_thread.c
==============================================================================
--- stable/7/sys/kern/kern_thread.c Tue May 5 17:22:48 2009
(r191832)
+++ stable/7/sys/kern/kern_thread.c Tue May 5 18:02:07 2009
(r191833)
@@ -252,7 +252,8 @@ threadinit(void)
{
mtx_init(&tid_lock, "TID lock", NULL, MTX_DEF);
- tid_unrhdr = new_unrhdr(PID_MAX + 1, INT_MAX, &tid_lock);
+ /* leave one number for thread0 */
+ tid_unrhdr = new_unrhdr(PID_MAX + 2, INT_MAX, &tid_lock);
thread_zone = uma_zcreate("THREAD", sched_sizeof_thread(),
thread_ctor, thread_dtor, thread_init, thread_fini,
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