initial import

1 files changed, 50 insertions, 0 deletions

diff --git a/hurd/intern-fd.c b/hurd/intern-fd.c
new file mode 100644
index 0000000000..fe7424b9bc
--- /dev/null
+++ b/hurd/intern-fd.c
@@ -0,0 +1,50 @@
+/* Copyright (C) 1994 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <hurd.h>
+#include <hurd/fd.h>
+
+/* Allocate a new file descriptor and install PORT in it.  FLAGS are as for
+   `open'; only O_IGNORE_CTTY is meaningful.
+
+   If the descriptor table is full, set errno, and return -1.
+   If DEALLOC is nonzero, deallocate PORT first.  */
+int
+_hurd_intern_fd (io_t port, int flags, int dealloc)
+{
+  int fd;
+  struct hurd_fd *d;
+
+  HURD_CRITICAL_BEGIN;
+  d = _hurd_alloc_fd (&fd, 0);
+  if (d != NULL)
+    {
+      _hurd_port2fd (d, port, flags);
+      __spin_unlock (&d->port.lock);
+    }
+  HURD_CRITICAL_END;
+
+  if (d == NULL)
+    {
+      if (dealloc)
+	__mach_port_deallocate (__mach_task_self (), port);
+      return -1;
+    }
+
+  return fd;
+}