Initial revision

1 files changed, 108 insertions, 0 deletions

diff --git a/pflocal/sserver.c b/pflocal/sserver.c
new file mode 100644
index 00000000..5225654f
--- /dev/null
+++ b/pflocal/sserver.c
@@ -0,0 +1,108 @@
+/* ---------------------------------------------------------------- */
+
+/* A port bucket to handle SOCK_USERs and ADDRs.  */
+static struct port_bucket *sock_port_bucket;
+
+/* True if there are threads servicing sock requests.  */
+static int sock_server_active = 0;
+static spin_lock_t sock_server_active_lock = SPIN_LOCK_INITIALIZER;
+
+/* A demuxer for socket operations.  */
+static int
+sock_demuxer (mach_msg_header_t *inp, mach_msg_header_t *outp)
+{
+  extern int socket_server (mach_msg_header_t *inp, mach_msg_header_t *outp);
+  extern int io_server (mach_msg_header_t *inp, mach_msg_header_t *outp);
+  extern int interrupt_server (mach_msg_header_t *, mach_msg_header_t *);
+  extern int notify_server (mach_msg_header_t *, mach_msg_header_t *);
+  return
+    socket_server (inp, outp)
+      || io_server (inp, outp)
+      || interrupt_server (inp, outp)
+      || notify_server (inp, outp);
+}
+
+/* Handle socket requests while there are sockets around.  */
+static void
+handle_sock_requests ()
+{
+  while (ports_count_bucket (sock_port_bucket) > 0)
+    {
+      ports_enable_bucket (sock_port_bucket);
+      ports_manage_port_operations_multithread (sock_port_bucket, sock_demuxer,
+						30*1000, 2*60*1000,
+						1, MACH_PORT_NULL);
+    }
+
+  /* The last service thread is about to exist; make this known.  */
+  spin_lock (&sock_server_active_lock);
+  sock_server_active = 0;
+  spin_unlock (&sock_server_active_lock);
+
+  /* Let the whole joke start once again.  */
+  ports_enable_bucket (sock_port_bucket);
+}
+
+/* Makes sure there are some request threads for sock operations, and starts
+   a server if necessary.  This routine should be called *after* creating the
+   port(s) which need server, as the server routine only operates while there
+   are any ports.  */
+static void
+ensure_sock_server ()
+{
+  spin_lock (&sock_server_active_lock);
+  if (sock_server_active)
+    spin_unlock (&sock_server_active_lock);
+  else
+    {
+      sock_server_active = 1;
+      spin_unlock (&sock_server_active_lock);
+      cthread_detach (cthread_fork ((cthread_fn_t)handle_sock_requests,
+				    (any_t)0));
+    }
+}
+
+/* ---------------------------------------------------------------- */
+/* Notify stubs.  */
+
+error_t
+do_mach_notify_no_senders (mach_port_t port, mach_port_mscount_t count)
+{
+  void *pi = ports_lookup_port (sock_port_bucket, port, 0);
+debug (pi, "count: %ul", count);
+  if (!pi)
+    return EOPNOTSUPP;
+  ports_no_senders (pi, count);
+  ports_port_deref (pi);
+  return 0;
+}
+
+error_t
+do_mach_notify_port_deleted (mach_port_t notify, mach_port_t name)
+{
+  return 0;
+}
+
+error_t
+do_mach_notify_msg_accepted (mach_port_t notify, mach_port_t name)
+{
+  return 0;
+}
+
+error_t
+do_mach_notify_port_destroyed (mach_port_t notify, mach_port_t name)
+{
+  return 0;
+}
+
+error_t
+do_mach_notify_send_once (mach_port_t notify)
+{
+  return 0;
+}
+
+error_t
+do_mach_notify_dead_name (mach_port_t notify, mach_port_t deadport)
+{
+  return 0;
+}