diff options
Diffstat (limited to 'sys/kern/sys_generic.c')
| -rw-r--r-- | sys/kern/sys_generic.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/kern/sys_generic.c b/sys/kern/sys_generic.c index 635db71dc99a..95224c8cece5 100644 --- a/sys/kern/sys_generic.c +++ b/sys/kern/sys_generic.c @@ -1025,6 +1025,7 @@ selwakeup(sip) sip->si_pid = 0; if (p != NULL) { s = splhigh(); + mtx_enter(&sched_lock, MTX_SPIN); if (p->p_wchan == (caddr_t)&selwait) { if (p->p_stat == SSLEEP) setrunnable(p); @@ -1032,6 +1033,7 @@ selwakeup(sip) unsleep(p); } else if (p->p_flag & P_SELECT) p->p_flag &= ~P_SELECT; + mtx_exit(&sched_lock, MTX_SPIN); splx(s); } } |