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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /sysdeps/mach/hurd/accept.c
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initial import
Diffstat (limited to 'sysdeps/mach/hurd/accept.c')
-rw-r--r--sysdeps/mach/hurd/accept.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/accept.c b/sysdeps/mach/hurd/accept.c
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+++ b/sysdeps/mach/hurd/accept.c
@@ -0,0 +1,71 @@
+/* Copyright (C) 1992, 1993, 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 <ansidecl.h>
+#include <errno.h>
+#include <hurd.h>
+#include <hurd/fd.h>
+#include <sys/socket.h>
+#include <hurd/socket.h>
+#include <fcntl.h>
+#include <string.h>
+
+/* Await a connection on socket FD.
+   When a connection arrives, open a new socket to communicate with it,
+   set *ADDR (which is *ADDR_LEN bytes long) to the address of the connecting
+   peer and *ADDR_LEN to the address's actual length, and return the
+   new socket's descriptor, or -1 for errors.  */
+int
+DEFUN(accept, (fd, addr, addr_len),
+      int fd AND struct sockaddr *addr AND size_t *addr_len)
+{
+  error_t err;
+  socket_t new;
+  addr_port_t aport;
+  char *buf = (char *) addr;
+  mach_msg_type_number_t buflen = *addr_len;
+  int type;
+
+  if (err = HURD_DPORT_USE (fd, __socket_accept (port, &new, &aport)))
+    return __hurd_dfail (fd, err);
+
+  if (addr != NULL)
+    err = __socket_whatis_address (aport, &type, &buf, &buflen);
+  __mach_port_deallocate (__mach_task_self (), aport);
+
+  if (err)
+    {
+      __mach_port_deallocate (__mach_task_self (), new);
+      return __hurd_dfail (fd, err);
+    }
+
+  if (addr != NULL)
+    {
+      if (buf != (char *) addr)
+	{
+	  if (*addr_len < buflen)
+	    *addr_len = buflen;
+	  memcpy (addr, buf, *addr_len);
+	  __vm_deallocate (__mach_task_self (), (vm_address_t) buf, buflen);
+	}
+
+      addr->sa_family = type;
+    }
+
+  return _hurd_intern_fd (new, O_IGNORE_CTTY, 1);
+}