xnu-201.tar.gz

[apple/xnu.git] / osfmk / kern / ipc_mig.h

diff --git a/osfmk/kern/ipc_mig.h b/osfmk/kern/ipc_mig.h
index 2759aa5e6f5f2a9bf7bffefadaedb03070b34c35..72a7afa137babdd86d5a05bd8192143343134933 100644 (file)
--- a/osfmk/kern/ipc_mig.h
+++ b/osfmk/kern/ipc_mig.h
@@ -26,6 +26,7 @@
 #ifndef        _IPC_MIG_H_
 #define        _IPC_MIG_H_
 
+#include <mach/mig.h>
 #include <mach/message.h>
 #include <sys/kdebug.h>
 
@@ -125,4 +126,30 @@ extern mach_msg_return_t mach_msg_rpc_from_kernel(
 
 extern void mach_msg_receive_continue(void);
 
+/*
+ * Kernel implementation of the MIG object base class
+ *
+ * Conforms to the MIGObjectInterface defined in <mach/mig.h>
+ * Ports are automatically allocated for the duration of outstanding
+ * cross-task references and then released.  
+ */
+
+typedef struct mig_object {
+                       IMIGObjectVtbl          *pVtbl; /* our interface def */
+                       mach_port_t             port;    /* our port pointer  */
+} mig_object_data_t;
+
+
+/*
+ * MIG notify base class definition
+ * These are chained off the mig object to which the are registered.
+ * When that object triggers a notification delivery, we walk this
+ * chain and deliver the appropriate notification.
+ */
+typedef struct mig_notify_object {
+                       IMIGNotifyObjectVtbl    *pVtbl; /* our interface def */
+                       mach_port_t             port;    /* our port pointer  */
+} mig_notify_object_data_t;
+
+
 #endif /* _IPC_MIG_H_ */