xnu-3789.41.3.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 b325ba41fbf4b98154850ffa37ff11697c3d76b3..202b08bce7104b166c6fc394ebc5c440296967c8 100644 (file)
--- a/osfmk/mach/mach_port.defs
+++ b/osfmk/mach/mach_port.defs
@@ -68,6 +68,10 @@ subsystem
 #endif /* KERNEL_SERVER */
          mach_port 3200;
 
 #endif /* KERNEL_SERVER */
          mach_port 3200;
 

+#if !KERNEL && !LIBSYSCALL_INTERFACE
+       UserPrefix _kernelrpc_;
+#endif
+

 #include <mach/std_types.defs>
 #include <mach/mach_types.defs>
 #include <mach_debug/mach_debug_types.defs>
 #include <mach/std_types.defs>
 #include <mach/mach_types.defs>
 #include <mach_debug/mach_debug_types.defs>


@@ -98,6 +102,9 @@ routine mach_port_type(
  *     Changes the name by which a port (or port set) is known to
  *     the target task.  The new name can't be in use.  The
  *     old name becomes available for recycling.
  *     Changes the name by which a port (or port set) is known to
  *     the target task.  The new name can't be in use.  The
  *     old name becomes available for recycling.

+ *
+ *     This interface is OBSOLETE and will always
+ *     return KERN_NOT_SUPPORTED.

  */
 
 routine mach_port_rename(
  */
 
 routine mach_port_rename(


@@ -201,7 +208,30 @@ routine mach_port_mod_refs(
                right           : mach_port_right_t;
                delta           : mach_port_delta_t);
 
                right           : mach_port_right_t;
                delta           : mach_port_delta_t);
 

-skip;
+/*
+ *     Peek at the message queue for the specified receive
+ *     right and return info about the message with the
+ *     sequence number matching the input.  If zero is
+ *     specified as the seqno, the first message in the
+ *     queue will be peeked.
+ *
+ *     Only the following trailer types are currently supported:
+ *          MACH_RCV_TRAILER_TYPE(MACH_MSG_TRAILER_FORMAT_0)
+ *
+ *             or'ed with one of these element types:
+ *          MACH_RCV_TRAILER_ELEMENTS(MACH_RCV_TRAILER_NULL)
+ *          MACH_RCV_TRAILER_ELEMENTS(MACH_RCV_TRAILER_SEQNO)
+ *          MACH_RCV_TRAILER_ELEMENTS(MACH_RCV_TRAILER_SENDER)
+ *          MACH_RCV_TRAILER_ELEMENTS(MACH_RCV_TRAILER_AUDIT)
+ */
+routine mach_port_peek(
+               task            : ipc_space_t;
+               name            : mach_port_name_t;
+               trailer_type    : mach_msg_trailer_type_t;
+ inout         request_seqnop  : mach_port_seqno_t;
+ out           msg_sizep       : mach_msg_size_t;
+ out           msg_idp         : mach_msg_id_t;
+ out           trailer_infop   : mach_msg_trailer_info_t, CountInOut);         

 
 /*
  *     Only valid for receive rights.
 
 /*
  *     Only valid for receive rights.


@@ -224,9 +254,10 @@ routine mach_port_get_set_status(
 
 /*
  *     Puts the member port (the task must have receive rights)
 
 /*
  *     Puts the member port (the task must have receive rights)

- *     into the after port set.  (Or removes it from any port set
- *     if after is MACH_PORT_NULL.)  If the port is already in
- *     a set, does an atomic move.
+ *     into the after port set.  If the port is already a member
+ *     of any set(s), it is atomically removed from those sets as
+ *     part of this operation.  (If after is MACH_PORT_NULL, the
+ *     port is still removed from all current sets).

  */
 
 routine mach_port_move_member(
  */
 
 routine mach_port_move_member(


@@ -238,9 +269,10 @@ routine mach_port_move_member(
  *     Requests a notification from the kernel.  The request
  *     must supply the send-once right which is used for
  *     the notification.  If a send-once right was previously
  *     Requests a notification from the kernel.  The request
  *     must supply the send-once right which is used for
  *     the notification.  If a send-once right was previously

- *     registered, it is returned.  The msg_id must be one of
+ *     registered, it is returned.  The msgid must be one of:

  *             MACH_NOTIFY_PORT_DESTROYED (receive rights)
  *             MACH_NOTIFY_DEAD_NAME (send/receive/send-once rights)
  *             MACH_NOTIFY_PORT_DESTROYED (receive rights)
  *             MACH_NOTIFY_DEAD_NAME (send/receive/send-once rights)

+ *             MACH_NOTIFY_SEND_POSSIBLE (send/receive/send-once rights)

  *             MACH_NOTIFY_NO_SENDERS (receive rights)
  *
  *     The sync value specifies whether a notification should
  *             MACH_NOTIFY_NO_SENDERS (receive rights)
  *
  *     The sync value specifies whether a notification should


@@ -250,10 +282,20 @@ routine mach_port_move_member(
  *             MACH_NOTIFY_DEAD_NAME: if non-zero, then name can be dead,
  *                     and the notification gets sent immediately.
  *                     If zero, then name can't be dead.
  *             MACH_NOTIFY_DEAD_NAME: if non-zero, then name can be dead,
  *                     and the notification gets sent immediately.
  *                     If zero, then name can't be dead.

+ *             MACH_NOTIFY_SEND_POSSIBLE: if non-zero, will generate a send-
+ *                     possible notification as soon as it is possible to send
+ *                     to the port. If zero, will generate a send-possible
+ *                     notification only after a subsequent failed send
+ *                     (with MACH_SEND_NOTIFY option to mach_msg call).  Can
+ *                     generate a dead-name notification if name is already dead
+ *                     or becomes dead before a send-possible notification fires.

  *             MACH_NOTIFY_NO_SENDERS: the notification gets sent
  *                     immediately if the current mscount is greater
  *                     than or equal to the sync value and there are no
  *                     extant send rights.
  *             MACH_NOTIFY_NO_SENDERS: the notification gets sent
  *                     immediately if the current mscount is greater
  *                     than or equal to the sync value and there are no
  *                     extant send rights.

+ *
+ * If the name is deleted before a successfully registered notification
+ * is delivered, it is replaced with a port-deleted notification.

  */
 
 routine mach_port_request_notification(
  */
 
 routine mach_port_request_notification(


@@ -385,10 +427,8 @@ routine    mach_port_get_srights(
 routine mach_port_space_info(
                task            : ipc_space_t;
        out     space_info      : ipc_info_space_t;
 routine mach_port_space_info(
                task            : ipc_space_t;
        out     space_info      : ipc_info_space_t;

-       out     table_info      : ipc_info_name_array_t,
-                                       Dealloc;
-       out     tree_info       : ipc_info_tree_name_array_t,
-                                       Dealloc);
+       out     table_info      : ipc_info_name_array_t;
+       out     tree_info       : ipc_info_tree_name_array_t);

 
 /*
  *     Returns information about the dead-name requests
 
 /*
  *     Returns information about the dead-name requests


@@ -407,12 +447,15 @@ routine mach_port_dnrequest_info(
  *     that the given send/receive right represents.
  *      This call is only valid on MACH_IPC_DEBUG kernels.
  *      Otherwise, KERN_FAILURE is returned.
  *     that the given send/receive right represents.
  *      This call is only valid on MACH_IPC_DEBUG kernels.
  *      Otherwise, KERN_FAILURE is returned.

+ *
+ *     This interface is DEPRECATED in favor of the new
+ *     mach_port_kernel_object64() call (see below).

  */
 routine        mach_port_kernel_object(
                task            : ipc_space_t;
                name            : mach_port_name_t;
        out     object_type     : unsigned;
  */
 routine        mach_port_kernel_object(
                task            : ipc_space_t;
                name            : mach_port_name_t;
        out     object_type     : unsigned;

-       out     object_addr     : vm_offset_t);
+       out     object_addr     : unsigned);

 
 
 /*
 
 
 /*


@@ -454,3 +497,118 @@ routine mach_port_extract_member(
                name            : mach_port_name_t;
                pset            : mach_port_name_t);
 
                name            : mach_port_name_t;
                pset            : mach_port_name_t);
 

+/*
+ * Only valid for receive rights.
+ * Gets the context pointer for the port.
+ */
+
+routine mach_port_get_context(
+               task            : ipc_space_t;
+               name            : mach_port_name_t;
+#ifdef LIBSYSCALL_INTERFACE
+       out context             : mach_port_context_t
+#else
+       out context             : mach_vm_address_t
+#endif
+       );
+
+/*
+ * Only valid for receive rights.
+ * Sets the context pointer for the port.
+ */
+
+routine mach_port_set_context(
+               task            : ipc_space_t;
+               name            : mach_port_name_t;
+#ifdef LIBSYSCALL_INTERFACE
+               context         : mach_port_context_t
+#else
+               context         : mach_vm_address_t
+#endif
+               );
+
+/*
+ *     Return the type and address of the kernel object
+ *     that the given send/receive right represents.
+ *      This call is only valid on MACH_IPC_DEBUG kernels.
+ *      Otherwise, KERN_FAILURE is returned.
+ */
+routine        mach_port_kobject(
+               task            : ipc_space_t;
+               name            : mach_port_name_t;
+       out     object_type     : natural_t;
+       out     object_addr     : mach_vm_address_t);
+
+
+/*
+ *     Constructs a right based on the options passed
+ *     in. Also allows guarding the port as one of the
+ *     options if the requested right is a receive
+ *     right.
+ */
+routine mach_port_construct(
+               task            : ipc_space_t;
+               options         : mach_port_options_ptr_t;
+#ifdef LIBSYSCALL_INTERFACE
+               context         : mach_port_context_t;
+#else
+               context         : uint64_t;
+#endif
+       out     name            : mach_port_name_t);
+
+/*
+ *     Destroys a mach port using the guard provided
+ *     for guarded ports. Also reduces the user ref
+ *     count for send rights as specified by srdelta.
+ */
+routine mach_port_destruct(
+               task            : ipc_space_t;
+               name            : mach_port_name_t;
+               srdelta         : mach_port_delta_t;
+#ifdef LIBSYSCALL_INTERFACE
+               guard           : mach_port_context_t
+#else
+               guard           : uint64_t
+#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(
+               task            : ipc_space_t;
+               name            : mach_port_name_t;
+#ifdef LIBSYSCALL_INTERFACE
+               guard           : mach_port_context_t;
+#else
+               guard           : uint64_t;
+#endif 
+               strict          : boolean_t);
+
+/*
+ *     Unguard a port guarded previously. For unguarded ports
+ *     or incorrect guards passed in it raises an exception
+ *     indicating guarding misbehavior.
+ */
+routine mach_port_unguard(
+               task            : ipc_space_t;
+               name            : mach_port_name_t;
+#ifdef LIBSYSCALL_INTERFACE
+               guard           : mach_port_context_t
+#else
+               guard           : uint64_t
+#endif 
+               );
+
+/*
+ *     Returns basic information about an IPC space.
+ *      This call is only valid on MACH_IPC_DEBUG kernels.
+ *      Otherwise, KERN_FAILURE is returned.
+ */
+routine mach_port_space_basic_info(
+               task            : ipc_space_t;
+       out     basic_info      : ipc_info_space_basic_t);
+
+/* vim: set ft=c : */