1 files changed, 63 insertions, 0 deletions
diff --git a/REORG.TODO/hurd/port2fd.c b/REORG.TODO/hurd/port2fd.c
new file mode 100644
index 0000000000..83e7b9c47e
--- /dev/null
+++ b/REORG.TODO/hurd/port2fd.c
@@ -0,0 +1,63 @@
+/* Copyright (C) 1994-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <hurd.h>
+#include <hurd/fd.h>
+#include <hurd/signal.h>
+#include <hurd/term.h>
+#include <fcntl.h>
+
+/* Store PORT in file descriptor D, doing appropriate ctty magic.
+   FLAGS are as for `open'; only O_IGNORE_CTTY and O_CLOEXEC are meaningful.
+   D should be locked, and will not be unlocked.  */
+
+void
+_hurd_port2fd (struct hurd_fd *d, io_t dport, int flags)
+{
+  mach_port_t cttyid;
+  io_t ctty = MACH_PORT_NULL;
+
+  if (!(flags & O_IGNORE_CTTY))
+    __USEPORT (CTTYID,
+	       ({
+		 if (port != MACH_PORT_NULL && /* Do we have a ctty? */
+		     ! __term_getctty (dport, &cttyid))	/* Could this be it? */
+		   {
+		     __mach_port_deallocate (__mach_task_self (), cttyid);
+		     /* This port is capable of being a controlling tty.
+			Is it ours?  */
+		     if (cttyid == port)
+		       __term_open_ctty (dport, _hurd_pid, _hurd_pgrp, &ctty);
+		     /* XXX if this port is our ctty, but we are not doing
+			ctty style i/o because term_become_ctty barfed,
+			what to do?  */
+		   }
+		 0;
+	       }));
+
+  /* Install PORT in the descriptor cell, leaving it locked.  */
+  {
+    mach_port_t old
+      = _hurd_userlink_clear (&d->port.users) ? d->port.port : MACH_PORT_NULL;
+    d->port.port = dport;
+    d->flags = (flags & O_CLOEXEC) ? FD_CLOEXEC : 0;
+    if (old != MACH_PORT_NULL)
+      __mach_port_deallocate (__mach_task_self (), old);
+  }
+
+  _hurd_port_set (&d->ctty, ctty);
+}