xnu-6153.11.26.tar.gz

[apple/xnu.git] / osfmk / mach / mach_port.defs

diff --git a/osfmk/mach/mach_port.defs b/osfmk/mach/mach_port.defs
index 5bc503421dfbbd14c92f51293ed3f6c7e668d3ef..ea3328933de73c099e427beef7a7de4b9b0de3f5 100644 (file)
--- a/osfmk/mach/mach_port.defs
+++ b/osfmk/mach/mach_port.defs
@@ -623,4 +623,39 @@ routine mach_port_special_reply_port_reset_link(
 #else
 skip;
 #endif
+
+/*
+ *     Guard an already existing port. Allows guarding
+ *     receive rights only. Uses the context field in the
+ *     port structure to store the guard.
+ */
+routine mach_port_guard_with_flags(
+               task            : ipc_space_t;
+               name            : mach_port_name_t;
+#ifdef LIBSYSCALL_INTERFACE
+               guard           : mach_port_context_t;
+#else
+               guard           : uint64_t;
+#endif
+               flags           : uint64_t);
+
+/*
+ *     Swap guard value of an existing guarded port. Works
+ *     only if it is not a strict guard.
+ */
+routine mach_port_swap_guard(
+               task            : ipc_space_t;
+               name            : mach_port_name_t;
+#ifdef LIBSYSCALL_INTERFACE
+               old_guard       : mach_port_context_t;
+#else
+               old_guard       : uint64_t;
+#endif
+
+#ifdef LIBSYSCALL_INTERFACE
+               new_guard       : mach_port_context_t);
+#else
+               new_guard       : uint64_t);
+#endif
+
 /* vim: set ft=c : */