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authorJustus Winter <4winter@informatik.uni-hamburg.de>2015-08-16 02:18:47 +0200
committerJustus Winter <4winter@informatik.uni-hamburg.de>2015-09-14 14:45:06 +0200
commitb51f047c28142cdfb7b24641006d0afdcf399292 (patch)
tree7387a8a62833e78eb232005121b0a7d786c86c6b /ipc/ipc_mqueue.h
parent537188a07d5ee6548555260acdd616034c73c7c4 (diff)
codify locking contracts
Conflicts: vm/vm_page.h
Diffstat (limited to 'ipc/ipc_mqueue.h')
-rw-r--r--ipc/ipc_mqueue.h3
1 files changed, 3 insertions, 0 deletions
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);