1 files changed, 136 insertions, 0 deletions
diff --git a/proc/stubs.c b/proc/stubs.c
new file mode 100644
index 00000000..f95bdfa5
--- /dev/null
+++ b/proc/stubs.c
@@ -0,0 +1,136 @@
+/* By-hand stubs for some RPC calls
+   Copyright (C) 1994, 1996, 1999 Free Software Foundation
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   This program is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include <cthreads.h>
+#include <stdlib.h>
+#include <hurd/hurd_types.h>
+#include <mach/message.h>
+#include <string.h>
+
+#include "proc.h"
+
+/* From hurd/msg.defs: */
+#define RPCID_SIG_POST 23000
+
+struct msg_spec
+{
+  int len;
+  void *contents;
+};
+
+/* Send the Mach message indicated by msg_spec; call cthread_exit
+   when it has been delivered. */
+static void
+blocking_message_send (struct msg_spec *message)
+{
+  cthread_wire ();
+  mach_msg ((mach_msg_header_t *)message->contents, MACH_SEND_MSG, 
+	    message->len, 0, MACH_PORT_NULL, MACH_MSG_TIMEOUT_NONE, 
+	    MACH_PORT_NULL);
+  cthread_exit (0);
+}
+
+/* Send signal SIGNO to MSGPORT with REFPORT as reference.  Don't
+   block in any fashion.  */
+void
+send_signal (mach_port_t msgport,
+	     int signal,
+	     mach_port_t refport)
+{
+  error_t err;
+
+  static struct
+    {
+      mach_msg_header_t head;
+      mach_msg_type_t signaltype;
+      int signal;
+      mach_msg_type_t sigcode_type;
+      natural_t sigcode;
+      mach_msg_type_t refporttype;
+      mach_port_t refport;
+    }
+  message = 
+    {
+      {
+	/* Message header: */
+	(MACH_MSGH_BITS_COMPLEX 
+	 | MACH_MSGH_BITS (MACH_MSG_TYPE_COPY_SEND,
+			  MACH_MSG_TYPE_MAKE_SEND_ONCE)), /* msgh_bits */
+	sizeof message,		/* msgh_size */
+	0,			/* msgh_remote_port */
+	MACH_PORT_NULL,		/* msgh_local_port */
+	0,			/* msgh_seqno */
+	RPCID_SIG_POST,		/* msgh_id */
+      },
+      {
+	/* Type descriptor for signo */
+	MACH_MSG_TYPE_INTEGER_32, /* msgt_name */
+	32,			/* msgt_size */
+	1,			/* msgt_number */
+	1,			/* msgt_inline */
+	0,			/* msgt_longform */
+	0,			/* msgt_deallocate */
+	0,			/* msgt_unused */
+      },
+      /* Signal number */
+      0,
+      /* Type descriptor for sigcode */
+      {
+	MACH_MSG_TYPE_INTEGER_32, /* msgt_name */
+	32,			/* msgt_size */
+	1,			/* msgt_number */
+	1,			/* msgt_inline */
+	0,			/* msgt_longform */
+	0,			/* msgt_deallocate */
+	0,			/* msgt_unused */
+      },
+      /* Sigcode */
+      0,
+      {
+	/* Type descriptor for refport */
+	MACH_MSG_TYPE_COPY_SEND, /* msgt_name */
+	32,			/* msgt_size */
+	1,			/* msgt_number */
+	1,			/* msgt_inline */
+	0,			/* msgt_longform */
+	0,			/* msgt_deallocate */
+	0,			/* msgt_unused */
+      },
+      /* Reference port */
+      MACH_PORT_NULL,
+    };
+  
+  message.head.msgh_remote_port = msgport;
+  message.signal = signal;
+  message.refport = refport;
+
+  err = mach_msg((mach_msg_header_t *)&message, 
+		 MACH_SEND_MSG|MACH_SEND_TIMEOUT, sizeof message, 0,
+		 MACH_PORT_NULL, 0, MACH_PORT_NULL);
+
+  if (err == MACH_SEND_TIMEOUT)
+    {
+      struct msg_spec *msg_spec = malloc (sizeof (struct msg_spec));
+      
+      msg_spec->len = sizeof message;
+      msg_spec->contents = malloc (sizeof message);
+      bcopy (&message, msg_spec->contents, sizeof message);
+      
+      cthread_detach (cthread_fork ((cthread_fn_t) blocking_message_send,
+				    msg_spec));
+    }
+}