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| author |   art <art@openbsd.org> | 2002-03-17 18:26:51 +0000 |
|---|---|---|
| committer | art <art@openbsd.org> | 2002-03-17 18:26:51 +0000 |
| commit | 24ea32be9d41ad0d078842ae5590907634af9fc8 (patch) | |
| tree | 5f13a02c9fb42152d1da5bf6ade3bf93bd27e09e | |
| parent | Add references to FILES and SEE ALSO sections. From David Krause. (diff) | |
| download | wireguard-openbsd-24ea32be9d41ad0d078842ae5590907634af9fc8.tar.xz wireguard-openbsd-24ea32be9d41ad0d078842ae5590907634af9fc8.zip | |
Add a DIAGNOSTIC check for when both LK_CANRECURSE and
LK_RECURSEFAIL are set.
| -rw-r--r-- | sys/kern/kern_lock.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sys/kern/kern_lock.c b/sys/kern/kern_lock.c index e21182ba649..b35d8f25c23 100644 --- a/sys/kern/kern_lock.c +++ b/sys/kern/kern_lock.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_lock.c,v 1.12 2002/03/14 01:27:04 millert Exp $ */ +/* $OpenBSD: kern_lock.c,v 1.13 2002/03/17 18:26:51 art Exp $ */ /* * Copyright (c) 1995 @@ -205,6 +205,13 @@ lockmgr(lkp, flags, interlkp, p) if ((flags & LK_REENABLE) == 0) lkp->lk_flags |= LK_DRAINED; } + + /* + * Check if the caller is asking us to be schizophrenic. + */ + if ((lkp->lk_flags & (LK_CANRECURSE|LK_RECURSEFAIL)) == + (LK_CANRECURSE|LK_RECURSEFAIL)) + panic("lockmgr: make up your mind"); #endif /* DIAGNOSTIC */ switch (flags & LK_TYPE_MASK) { |