From 2cb64e48fcd664067f4bd87e8f46fad694c3c979 Mon Sep 17 00:00:00 2001 From: David Oberhollenzer Date: Sun, 15 Apr 2018 13:21:34 +0200 Subject: Move initd signal setup to platform specific file Signed-off-by: David Oberhollenzer --- initd/signal_linux.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 initd/signal_linux.c (limited to 'initd/signal_linux.c') diff --git a/initd/signal_linux.c b/initd/signal_linux.c new file mode 100644 index 0000000..aed049b --- /dev/null +++ b/initd/signal_linux.c @@ -0,0 +1,51 @@ +/* SPDX-License-Identifier: GPL-3.0-or-later */ +/* + * Copyright (C) 2018 - David Oberhollenzer + * + * This program 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 3 of the License, or + * (at your option) any later version. + * + * This program 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 this program. If not, see . + */ +#include + +#include "init.h" + +int sigsetup(void) +{ + sigset_t mask; + int sfd; + + sigfillset(&mask); + if (sigprocmask(SIG_SETMASK, &mask, NULL) == -1) { + perror("sigprocmask"); + return -1; + } + + sfd = signalfd(-1, &mask, SFD_CLOEXEC); + if (sfd == -1) { + perror("signalfd"); + return -1; + } + + if (reboot(LINUX_REBOOT_CMD_CAD_OFF)) + perror("cannot disable CTRL+ALT+DEL"); + + return sfd; +} + +void sigreset(void) +{ + sigset_t mask; + + sigemptyset(&mask); + sigprocmask(SIG_SETMASK, &mask, NULL); +} -- cgit v1.2.3