mirror of
https://github.com/FeralInteractive/gamemode.git
synced 2025-06-06 07:37:21 +02:00
Move daemonise code to main file, simplifying files
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parent
9d484061ad
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@ -1,81 +0,0 @@
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/*
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Copyright (c) 2017-2019, Feral Interactive
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of Feral Interactive nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "daemonize.h"
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#include "logging.h"
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#include <fcntl.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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/**
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* Helper to perform standard UNIX daemonization
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*/
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void daemonize(const char *name)
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{
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/* Initial fork */
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pid_t pid = fork();
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if (pid < 0) {
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FATAL_ERRORNO("Failed to fork");
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}
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if (pid != 0) {
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LOG_MSG("Daemon launched as %s...\n", name);
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exit(EXIT_SUCCESS);
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}
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/* Fork a second time */
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pid = fork();
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if (pid < 0) {
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FATAL_ERRORNO("Failed to fork");
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} else if (pid > 0) {
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exit(EXIT_SUCCESS);
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}
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/* Now continue execution */
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umask(0022);
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if (setsid() < 0) {
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FATAL_ERRORNO("Failed to create process group\n");
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}
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if (chdir("/") < 0) {
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FATAL_ERRORNO("Failed to change to root directory\n");
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}
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/* replace standard file descriptors by /dev/null */
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int devnull_r = open("/dev/null", O_RDONLY);
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int devnull_w = open("/dev/null", O_WRONLY);
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dup2(devnull_r, STDIN_FILENO);
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dup2(devnull_w, STDOUT_FILENO);
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dup2(devnull_w, STDERR_FILENO);
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close(devnull_r);
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close(devnull_w);
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}
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@ -1,38 +0,0 @@
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/*
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Copyright (c) 2017-2019, Feral Interactive
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of Feral Interactive nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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/**
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* Attempt daemonization of the process.
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* If this fails, the process will exit
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*/
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void daemonize(const char *name);
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@ -32,7 +32,6 @@ POSSIBILITY OF SUCH DAMAGE.
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#define _GNU_SOURCE
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#include "dbus_messaging.h"
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#include "daemonize.h"
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#include "gamemode.h"
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#include "logging.h"
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@ -50,16 +50,18 @@ POSSIBILITY OF SUCH DAMAGE.
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#define _GNU_SOURCE
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#include "config.h"
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#include "daemonize.h"
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#include "dbus_messaging.h"
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#include "gamemode.h"
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#include "gamemode_client.h"
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#include "logging.h"
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#include <fcntl.h>
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#include <getopt.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <systemd/sd-daemon.h>
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#include <unistd.h>
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@ -95,6 +97,49 @@ static void sigint_handler_noexit(__attribute__((unused)) int signo)
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LOG_MSG("Quitting by request...\n");
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}
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/**
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* Helper to perform standard UNIX daemonization
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*/
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static void daemonize(const char *name)
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{
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/* Initial fork */
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pid_t pid = fork();
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if (pid < 0) {
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FATAL_ERRORNO("Failed to fork");
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}
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if (pid != 0) {
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LOG_MSG("Daemon launched as %s...\n", name);
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exit(EXIT_SUCCESS);
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}
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/* Fork a second time */
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pid = fork();
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if (pid < 0) {
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FATAL_ERRORNO("Failed to fork");
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} else if (pid > 0) {
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exit(EXIT_SUCCESS);
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}
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/* Now continue execution */
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umask(0022);
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if (setsid() < 0) {
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FATAL_ERRORNO("Failed to create process group\n");
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}
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if (chdir("/") < 0) {
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FATAL_ERRORNO("Failed to change to root directory\n");
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}
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/* replace standard file descriptors by /dev/null */
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int devnull_r = open("/dev/null", O_RDONLY);
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int devnull_w = open("/dev/null", O_WRONLY);
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dup2(devnull_r, STDIN_FILENO);
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dup2(devnull_w, STDOUT_FILENO);
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dup2(devnull_w, STDERR_FILENO);
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close(devnull_r);
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close(devnull_w);
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}
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/**
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* Main bootstrap entry into gamemoded
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*/
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@ -27,7 +27,6 @@ daemon_sources = [
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'gamemode-wine.c',
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'gamemode-tests.c',
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'gamemode-gpu.c',
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'daemonize.c',
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'dbus_messaging.c',
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'daemon_config.c',
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'helpers.c',
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