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2c06b902f4
...to the pid of the compositor so that SIGHUP and SIGTERM can be sent to specific instances using `kill -s <signal> <pid>` rather than `killall -s <signal> labwc` Issue #573
131 lines
2.8 KiB
C
131 lines
2.8 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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#define _POSIX_C_SOURCE 200809L
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#include <string.h>
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#include <unistd.h>
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#include "common/dir.h"
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#include "common/fd_util.h"
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#include "common/font.h"
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#include "common/mem.h"
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#include "common/spawn.h"
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#include "config/session.h"
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#include "labwc.h"
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#include "theme.h"
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#include "menu/menu.h"
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struct rcxml rc = { 0 };
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static const char labwc_usage[] =
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"Usage: labwc [options...]\n"
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" -c <config-file> specify config file (with path)\n"
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" -C <config-dir> specify config directory\n"
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" -d enable full logging, including debug information\n"
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" -h show help message and quit\n"
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" -s <command> run command on startup\n"
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" -v show version number and quit\n"
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" -V enable more verbose logging\n";
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static void
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usage(void)
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{
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printf("%s", labwc_usage);
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exit(0);
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}
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int
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main(int argc, char *argv[])
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{
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#if HAVE_NLS
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setlocale(LC_ALL, "");
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bindtextdomain(GETTEXT_PACKAGE, LOCALEDIR);
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textdomain(GETTEXT_PACKAGE);
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#endif
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char *startup_cmd = NULL;
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char *config_file = NULL;
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enum wlr_log_importance verbosity = WLR_ERROR;
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int c;
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while ((c = getopt(argc, argv, "c:C:dhs:vV")) != -1) {
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switch (c) {
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case 'c':
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config_file = optarg;
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break;
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case 'C':
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rc.config_dir = xstrdup(optarg);
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break;
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case 'd':
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verbosity = WLR_DEBUG;
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break;
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case 's':
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startup_cmd = optarg;
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break;
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case 'v':
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printf("labwc " LABWC_VERSION "\n");
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exit(0);
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case 'V':
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verbosity = WLR_INFO;
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break;
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case 'h':
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default:
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usage();
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}
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}
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if (optind < argc) {
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usage();
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}
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wlr_log_init(verbosity, NULL);
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if (!rc.config_dir) {
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rc.config_dir = config_dir();
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}
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wlr_log(WLR_INFO, "using config dir (%s)\n", rc.config_dir);
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session_environment_init(rc.config_dir);
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rcxml_read(config_file);
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/*
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* Set environment variable LABWC_PID to the pid of the compositor
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* so that SIGHUP and SIGTERM can be sent to specific instances using
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* `kill -s <signal> <pid>` rather than `killall -s <signal> labwc`
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*/
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char pid[32];
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snprintf(pid, sizeof(pid), "%d", getpid());
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if (setenv("LABWC_PID", pid, true) < 0) {
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wlr_log_errno(WLR_ERROR, "unable to set LABWC_PID");
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} else {
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wlr_log(WLR_DEBUG, "LABWC_PID=%s", pid);
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}
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if (!getenv("XDG_RUNTIME_DIR")) {
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wlr_log(WLR_ERROR, "XDG_RUNTIME_DIR is unset");
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exit(EXIT_FAILURE);
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}
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increase_nofile_limit();
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struct server server = { 0 };
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server_init(&server);
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server_start(&server);
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struct theme theme = { 0 };
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theme_init(&theme, rc.theme_name);
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rc.theme = &theme;
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server.theme = &theme;
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menu_init_rootmenu(&server);
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menu_init_windowmenu(&server);
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session_autostart_init(rc.config_dir);
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if (startup_cmd) {
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spawn_async_no_shell(startup_cmd);
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}
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wl_display_run(server.wl_display);
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server_finish(&server);
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menu_finish();
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theme_finish(&theme);
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rcxml_finish();
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font_finish();
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return 0;
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}
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