Implement mailslots.
diff --git a/server/protocol.def b/server/protocol.def
index da7dfe8..d035abd 100644
--- a/server/protocol.def
+++ b/server/protocol.def
@@ -2272,3 +2272,39 @@
@REPLY
obj_handle_t new_handle; /* duplicated handle */
@END
+
+
+/* Create a mailslot */
+@REQ(create_mailslot)
+ unsigned int max_msgsize;
+ unsigned int read_timeout;
+ int inherit;
+ VARARG(name,unicode_str); /* mailslot name */
+@REPLY
+ obj_handle_t handle; /* handle to the mailslot */
+@END
+
+
+/* Open an existing mailslot */
+@REQ(open_mailslot)
+ unsigned int access;
+ int inherit; /* inherit flag */
+ unsigned int sharing; /* sharing mode */
+ VARARG(name,unicode_str); /* mailslot name */
+@REPLY
+ obj_handle_t handle; /* handle to the mailslot */
+@END
+
+
+/* Set mailslot information */
+@REQ(set_mailslot_info)
+ obj_handle_t handle; /* handle to the mailslot */
+ unsigned int flags;
+ unsigned int read_timeout;
+@REPLY
+ unsigned int max_msgsize;
+ unsigned int read_timeout;
+ unsigned int msg_count;
+ unsigned int next_msgsize;
+@END
+#define MAILSLOT_SET_READ_TIMEOUT 1
