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The proc lock is sufficient to test p_state against PRS_ZOMBIE, so don't

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needlessly lock sched_lock.
This commit is contained in:
John Baldwin 2003-04-17 22:09:08 +00:00
parent 9d8643eca6
commit 4cac73c759
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=113616
1 changed files with 0 additions and 4 deletions
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4
sys/compat/svr4/svr4_misc.c
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@ -1272,10 +1272,8 @@ svr4_sys_waitsys(td, uap)
continue;
}
nfound++;
mtx_lock_spin(&sched_lock);
if ((q->p_state == PRS_ZOMBIE) &&
((uap->options & (SVR4_WEXITED|SVR4_WTRAPPED)))) {
mtx_unlock_spin(&sched_lock);
PROC_UNLOCK(q);
sx_sunlock(&proctree_lock);
*retval = 0;
@ -1396,7 +1394,6 @@ svr4_sys_waitsys(td, uap)
if (P_SHOULDSTOP(q) && ((q->p_flag & P_WAITED) == 0) &&
(q->p_flag & P_TRACED ||
(uap->options & (SVR4_WSTOPPED|SVR4_WCONTINUED)))) {
mtx_unlock_spin(&sched_lock);
DPRINTF(("jobcontrol %d\n", q->p_pid));
if (((uap->options & SVR4_WNOWAIT)) == 0)
q->p_flag |= P_WAITED;
@ -1405,7 +1402,6 @@ svr4_sys_waitsys(td, uap)
return svr4_setinfo(q, W_STOPCODE(q->p_xstat),
uap->info);
}
mtx_unlock_spin(&sched_lock);
PROC_UNLOCK(q);
}