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Add proclist locking where appropriate (forgot to commit this file previously).

This commit is contained in:
thorpej 1999-07-22 23:00:27 +00:00
parent 3f176180d5
commit 2860ae9b30
1 changed files with 3 additions and 1 deletions
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4
sys/kern/vfs_syscalls.c
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@ -1,4 +1,4 @@
/* $NetBSD: vfs_syscalls.c,v 1.142 1999/07/04 16:20:13 sommerfeld Exp $ */
/* $NetBSD: vfs_syscalls.c,v 1.143 1999/07/22 23:00:27 thorpej Exp $ */
/*
* Copyright (c) 1989, 1993
@ -362,6 +362,7 @@ checkdirs(olddp)
return;
if (VFS_ROOT(olddp->v_mountedhere, &newdp))
panic("mount: lost mount");
proclist_lock_read(0);
for (p = allproc.lh_first; p != 0; p = p->p_list.le_next) {
cwdi = p->p_cwdi;
if (cwdi->cwdi_cdir == olddp) {
@ -375,6 +376,7 @@ checkdirs(olddp)
cwdi->cwdi_rdir = newdp;
}
}
proclist_unlock_read();
if (rootvnode == olddp) {
vrele(rootvnode);
VREF(newdp);