diff options
Diffstat (limited to 'sys/kern/kern_acct.c')
| -rw-r--r-- | sys/kern/kern_acct.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/sys/kern/kern_acct.c b/sys/kern/kern_acct.c index 54ff5542ad5..92555cc28a2 100644 --- a/sys/kern/kern_acct.c +++ b/sys/kern/kern_acct.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_acct.c,v 1.8 2000/03/23 11:26:28 art Exp $ */ +/* $OpenBSD: kern_acct.c,v 1.9 2000/05/05 08:38:23 art Exp $ */ /* $NetBSD: kern_acct.c,v 1.42 1996/02/04 02:15:12 christos Exp $ */ /*- @@ -168,6 +168,8 @@ acct_process(p) struct timeval ut, st, tmp; int s, t; struct vnode *vp; + struct plimit *oplim = NULL; + int error; /* If accounting isn't enabled, don't bother */ vp = acctp; @@ -175,6 +177,16 @@ acct_process(p) return (0); /* + * Raise the file limit so that accounting can't be stopped by the + * user. (XXX - we should think about the cpu limit too). + */ + if (p->p_limit->p_refcnt > 1) { + oplim = p->p_limit; + p->p_limit = limcopy(p->p_limit); + } + p->p_rlimit[RLIMIT_FSIZE].rlim_cur = RLIM_INFINITY; + + /* * Get process accounting information. */ @@ -222,8 +234,15 @@ acct_process(p) * Now, just write the accounting information to the file. */ VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE); - return (vn_rdwr(UIO_WRITE, vp, (caddr_t)&acct, sizeof (acct), - (off_t)0, UIO_SYSSPACE, IO_APPEND|IO_UNIT, p->p_ucred, NULL, p)); + error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&acct, sizeof (acct), + (off_t)0, UIO_SYSSPACE, IO_APPEND|IO_UNIT, p->p_ucred, NULL, p); + + if (oplim) { + limfree(p->p_limit); + p->p_limit = oplim; + } + + return error; } /* |