1 files changed, 45 insertions, 0 deletions
diff --git a/REORG.TODO/hurd/fd-close.c b/REORG.TODO/hurd/fd-close.c
new file mode 100644
index 0000000000..2024517705
--- /dev/null
+++ b/REORG.TODO/hurd/fd-close.c
@@ -0,0 +1,45 @@
+/* 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/fd.h>
+
+error_t
+_hurd_fd_close (struct hurd_fd *fd)
+{
+  error_t err;
+
+  HURD_CRITICAL_BEGIN;
+
+  __spin_lock (&fd->port.lock);
+  if (fd->port.port == MACH_PORT_NULL)
+    {
+      __spin_unlock (&fd->port.lock);
+      err = EBADF;
+    }
+  else
+    {
+      /* Clear the descriptor's port cells.
+	 This deallocates the ports if noone else is still using them.  */
+      _hurd_port_set (&fd->ctty, MACH_PORT_NULL);
+      _hurd_port_locked_set (&fd->port, MACH_PORT_NULL);
+      err = 0;
+    }
+
+  HURD_CRITICAL_END;
+
+  return err;
+}