From d3594ddad8fdd4f28f2362ad288acd03ed60eb41 Mon Sep 17 00:00:00 2001 From: Joan Lledó Date: Mon, 13 Nov 2017 08:31:46 +0100 Subject: lwip: Add LwIP-based TCP/IP translator * Makefile (prog-subdirs): Add lwip. * config.make.in (HAVE_LIBLWIP, liblwip_CFLAGS, liblwip_LIBS): Define variables. * configure.ac: Check for liblwip. * lwip/: New directory. --- lwip/startup.c | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 lwip/startup.c (limited to 'lwip/startup.c') diff --git a/lwip/startup.c b/lwip/startup.c new file mode 100644 index 00000000..a21dfe33 --- /dev/null +++ b/lwip/startup.c @@ -0,0 +1,69 @@ +/* + Copyright (C) 2017 Free Software Foundation, Inc. + Written by Michael I. Bushnell, p/BSG. + + This file is part of the GNU Hurd. + + The GNU Hurd is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + The GNU Hurd 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 + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with the GNU Hurd. If not, see . +*/ + +#include + +#include +#include +#include + +#include + +static void +sigterm_handler (int signo) +{ + ports_class_iterate (socketport_class, ports_destroy_right); + ports_class_iterate (addrport_class, ports_destroy_right); + sleep (10); + signal (SIGTERM, SIG_DFL); + raise (SIGTERM); +} + +void +arrange_shutdown_notification () +{ + error_t err; + mach_port_t initport, notify; + struct port_info *pi; + + shutdown_notify_class = ports_create_class (0, 0); + + signal (SIGTERM, sigterm_handler); + + /* Arrange to get notified when the system goes down, + but if we fail for some reason, just silently give up. No big deal. */ + + err = ports_create_port (shutdown_notify_class, lwip_bucket, + sizeof (struct port_info), &pi); + if (err) + return; + + initport = file_name_lookup (_SERVERS_STARTUP, 0, 0); + if (initport == MACH_PORT_NULL) + return; + + notify = ports_get_send_right (pi); + ports_port_deref (pi); + startup_request_notification (initport, notify, + MACH_MSG_TYPE_MAKE_SEND, + program_invocation_short_name); + mach_port_deallocate (mach_task_self (), notify); + mach_port_deallocate (mach_task_self (), initport); +} -- cgit v1.2.3