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Code Issues Releases Activity

Don't need to hold schedlock specifically for stop() ans it calls wakeup()

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that locks it anyhow.

Reviewed by: jhb@freebsd.org
This commit is contained in:
Julian Elischer 2002-07-30 21:13:48 +00:00
parent c89137ff90
commit 4d492b4369
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=100976
1 changed files with 1 additions and 6 deletions
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7
sys/kern/kern_sig.c
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@ -1434,9 +1434,7 @@ psignal(p, sig)
if (!(p->p_pptr->p_procsig->ps_flag & PS_NOCLDSTOP))
psignal(p->p_pptr, SIGCHLD);
PROC_UNLOCK(p->p_pptr);
mtx_lock_spin(&sched_lock);
stop(p);
mtx_unlock_spin(&sched_lock);
goto out;
} else
goto runfast;
@ -1598,7 +1596,7 @@ issignal(td)
psignal(p->p_pptr, SIGCHLD);
PROC_UNLOCK(p->p_pptr);
mtx_lock_spin(&sched_lock);
stop(p);
stop(p); /* uses schedlock too eventually */
td->td_state = TDS_UNQUEUED;
PROC_UNLOCK(p);
DROP_GIANT();
@ -1676,9 +1674,7 @@ issignal(td)
psignal(p->p_pptr, SIGCHLD);
}
PROC_UNLOCK(p->p_pptr);
mtx_lock_spin(&sched_lock);
stop(p);
mtx_unlock_spin(&sched_lock);
break;
} else
if (prop & SA_IGNORE) {
@ -1726,7 +1722,6 @@ stop(p)
{
PROC_LOCK_ASSERT(p, MA_OWNED);
mtx_assert(&sched_lock, MA_OWNED);
p->p_flag |= P_STOPPED_SGNL;
p->p_flag &= ~P_WAITED;
wakeup(p->p_pptr);