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-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);