add directory gnu

gnu/glibc/glibc-1.03/sysdeps/mach/hurd/socketpair.c

@@ -0,0 +1,59 @@
+/* Copyright (C) 1992 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 <ansidecl.h>
+#include <errno.h>
+#include <sys/socket.h>
+#include <hurd.h>
+
+/* Create two new sockets, of type TYPE in domain DOMAIN and using
+   protocol PROTOCOL, which are connected to each other, and put file
+   descriptors for them in FDS[0] and FDS[1].  If PROTOCOL is zero,
+   one will be chosen automatically.  Returns 0 on success, -1 for errors.  */
+int
+DEFUN(socketpair, (domain, type, protocol, fds),
+      int domain AND enum __socket_type type AND int protocol AND int fds[2])
+{
+  error_t err;
+  int d1, d2;
+
+  d1 = socket (domain, type, protocol);
+  if (d1 < 0)
+    return -1;
+  d2 = socket (domain, type, protocol);
+  if (d2 < 0)
+    {
+      err = errno;
+      (void) close (d1);
+      return __hurd_fail (err);
+    }
+
+  if (err = _HURD_DPORT_USE
+      (d1,
+       ({ socket_t sock1 = port;
+	  _HURD_DPORT_USE (d2, __socket_connect2 (sock1, port)) })))
+    {
+      close (d1);
+      close (d2);
+      return __hurd_fail (err);
+    }
+
+  fds[0] = d1;
+  fds[2] = d2;
+  return 0;
+}