diff options
Diffstat (limited to 'sys/net/pfvar_priv.h')
| -rw-r--r-- | sys/net/pfvar_priv.h | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/sys/net/pfvar_priv.h b/sys/net/pfvar_priv.h index 7f36bb06af3..6ea946146a9 100644 --- a/sys/net/pfvar_priv.h +++ b/sys/net/pfvar_priv.h @@ -1,4 +1,4 @@ -/* $OpenBSD: pfvar_priv.h,v 1.2 2016/11/22 19:29:54 procter Exp $ */ +/* $OpenBSD: pfvar_priv.h,v 1.3 2017/06/05 22:18:28 sashan Exp $ */ /* * Copyright (c) 2001 Daniel Hartmeier @@ -37,6 +37,10 @@ #ifdef _KERNEL +#include <sys/rwlock.h> + +extern struct rwlock pf_lock; + struct pf_pdesc { struct { int done; @@ -94,6 +98,36 @@ struct pf_pdesc { } hdr; }; +#ifdef WITH_PF_LOCK +extern struct rwlock pf_lock; + +#define PF_LOCK() do { \ + NET_ASSERT_LOCKED(); \ + rw_enter_write(&pf_lock); \ + } while (0) + +#define PF_UNLOCK() do { \ + PF_ASSERT_LOCKED(); \ + rw_exit_write(&pf_lock); \ + } while (0) + +#define PF_ASSERT_LOCKED() do { \ + if (rw_status(&pf_lock) != RW_WRITE) \ + splassert_fail(RW_WRITE, \ + rw_status(&pf_lock),__func__);\ + } while (0) + +#define PF_ASSERT_UNLOCKED() do { \ + if (rw_status(&pf_lock) == RW_WRITE) \ + splassert_fail(0, rw_status(&pf_lock), __func__);\ + } while (0) +#else /* !WITH_PF_LOCK */ +#define PF_LOCK() (void)(0) +#define PF_UNLOCK() (void)(0) +#define PF_ASSERT_LOCKED() (void)(0) +#define PF_ASSERT_UNLOCKED() (void)(0) +#endif /* WITH_PF_LOCK */ + #endif /* _KERNEL */ #endif /* _NET_PFVAR_PRIV_H_ */ |