(Fset_process_contact): New function.

(syms_of_process): defsubr it.
(make-network-process): Update doc.

1 files changed, 24 insertions, 1 deletions

diff --git a/src/process.c b/src/process.c
index 9a11af0605b..70825a54ca0 100644
--- a/src/process.c
+++ b/src/process.c
@@ -146,7 +146,7 @@ extern Lisp_Object QCfamily;
 extern Lisp_Object QCfilter;
 
 /* a process object is a network connection when its childp field is neither
-   Qt nor Qnil but is instead a cons cell (HOSTNAME PORTNUM).  */
+   Qt nor Qnil but is instead a property list (KEY VAL ...).  */
 
 #ifdef HAVE_SOCKETS
 #define NETCONN_P(p) (GC_CONSP (XPROCESS (p)->childp))
@@ -1037,6 +1037,24 @@ See `make-network-process' for a list of keywords.  */)
   return Fplist_get (contact, key);
 }
 
+DEFUN ("set-process-contact", Fset_process_contact, Sset_process_contact,
+       3, 3, 0,
+       doc: /* Change value in PROCESS' contact information list of KEY to VAL.
+If KEY is already a property on the list, its value is set to VAL,
+otherwise the new KEY VAL pair is added.  Returns VAL.  */)
+     (process, key, val)
+     register Lisp_Object process, key, val;
+{
+  Lisp_Object contact;
+
+  CHECK_PROCESS (process);
+
+  if (NETCONN_P (process))
+    XPROCESS (process)->childp = Fplist_put (XPROCESS (process)->childp, key, val);
+
+  return val;
+}
+
 #if 0 /* Turned off because we don't currently record this info
          in the process.  Perhaps add it.  */
 DEFUN ("process-connection", Fprocess_connection, Sprocess_connection, 1, 1, 0,
@@ -2589,6 +2607,10 @@ the server process.  Also, the BUFFER argument is not used directly by
 the server process, but via the optional :log function, accepted (and
 failed) connections may be logged in the server process' buffer.
 
+The original argument list, modified with the actual connection
+information, is available via the `process-contact' function.
+Additional arguments may be added via `set-process-contact'.
+
 usage: (make-network-process &rest ARGS)  */)
      (nargs, args)
      int nargs;
@@ -6341,6 +6363,7 @@ The value takes effect when `start-process' is called.  */);
   defsubr (&Sset_process_query_on_exit_flag);
   defsubr (&Sprocess_query_on_exit_flag);
   defsubr (&Sprocess_contact);
+  defsubr (&Sset_process_contact);
   defsubr (&Slist_processes);
   defsubr (&Sprocess_list);
   defsubr (&Sstart_process);