From b51f047c28142cdfb7b24641006d0afdcf399292 Mon Sep 17 00:00:00 2001
From: Justus Winter <4winter@informatik.uni-hamburg.de>
Date: Sun, 16 Aug 2015 02:18:47 +0200
Subject: codify locking contracts

Conflicts:
	vm/vm_page.h
---
 ipc/ipc_mqueue.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'ipc/ipc_mqueue.h')

diff --git a/ipc/ipc_mqueue.h b/ipc/ipc_mqueue.h
index e7d5670..761e67d 100644
--- a/ipc/ipc_mqueue.h
+++ b/ipc/ipc_mqueue.h
@@ -54,6 +54,9 @@ typedef struct ipc_mqueue {
 #define	imq_lock(mq)		lock_write(&(mq)->imq_lock_data)
 #define	imq_lock_try(mq)	lock_try_write(&(mq)->imq_lock_data)
 #define	imq_unlock(mq)		lock_write_done(&(mq)->imq_lock_data)
+#define	have_imq_lock(mq)	have_write_lock(&(mq)->imq_lock_data)
+#define	imq_lock_surrender(mq)	lock_write_surrender(&(mq)->imq_lock_data)
+#define	imq_lock_steal(mq)	lock_write_steal(&(mq)->imq_lock_data)
 
 extern void
 ipc_mqueue_init(ipc_mqueue_t);
-- 
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