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-rw-r--r--oncology/dpfhack_display/lcd4linux/.svn/text-base/lcd4linux.c.svn-base440
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diff --git a/oncology/dpfhack_display/lcd4linux/.svn/text-base/lcd4linux.c.svn-base b/oncology/dpfhack_display/lcd4linux/.svn/text-base/lcd4linux.c.svn-base
deleted file mode 100644
index 45b02e91..00000000
--- a/oncology/dpfhack_display/lcd4linux/.svn/text-base/lcd4linux.c.svn-base
+++ /dev/null
@@ -1,440 +0,0 @@
-/* $Id$
- * $URL$
- *
- * LCD4Linux
- *
- * Copyright (C) 1999, 2000, 2001, 2002, 2003 Michael Reinelt <michael@reinelt.co.at>
- * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
- *
- * This file is part of LCD4Linux.
- *
- * LCD4Linux 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.
- *
- * LCD4Linux 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, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include "config.h"
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <signal.h>
-#include <time.h>
-#include <sys/types.h> /* umask() */
-#include <sys/stat.h> /* umask() */
-
-#include "svn_version.h"
-#include "cfg.h"
-#include "debug.h"
-#include "qprintf.h"
-#include "pid.h"
-#include "udelay.h"
-#include "drv.h"
-#include "timer.h"
-#include "timer_group.h"
-#include "layout.h"
-#include "plugin.h"
-#include "thread.h"
-#include "event.h"
-#include "widget.h"
-#include "widget_timer.h"
-
-#ifdef WITH_DMALLOC
-#include <dmalloc.h>
-#endif
-
-#define PIDFILE "/var/run/lcd4linux.pid"
-
-static char *release = "LCD4Linux " VERSION "-" SVN_VERSION;
-static char *copyright =
- "Copyright (C) 2005, 2006, 2007, 2008, 2009 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>";
-static char **my_argv;
-extern char *output;
-
-int got_signal = 0;
-
-
-static void usage(void)
-{
- printf("%s\n", release);
- printf("%s\n", copyright);
- printf("\n");
- printf("usage:\n");
- printf(" lcd4linux [-h]\n");
- printf(" lcd4linux [-l]\n");
- printf(" lcd4linux [-c key=value] [-i] [-f config-file] [-v] [-p pid-file]\n");
- printf(" lcd4linux [-c key=value] [-F] [-f config-file] [-o output-file] [-q] [-v]\n");
- printf("\n");
- printf("options:\n");
- printf(" -h help\n");
- printf(" -l list available display drivers and plugins\n");
- printf(" -c <key>=<value> overwrite entries from the config-file\n");
- printf(" -i enter interactive mode (after display initialisation)\n");
- printf(" -ii enter interactive mode (before display initialisation)\n");
- printf(" -f <config-file> use configuration from <config-file> instead of /etc/lcd4linux.conf\n");
- printf(" -v generate info messages\n");
- printf(" -vv generate debugging messages\n");
- printf(" -p <pid-file> specify a different pid-file location (default is /var/run/lcd4linux.pid)\n");
- printf(" -F do not fork and detach (run in foreground)\n");
- printf(" -o <output-file> write picture to file (raster driver only)\n");
- printf(" -q suppress startup and exit splash screen\n");
-#ifdef WITH_X11
- printf("special X11 options:\n");
- printf(" -display <X11 display name> preceeds X connection given in $DISPLAY\n");
- printf(" -synchronous use synchronized communication with X server (for debugging)\n");
- printf("\n");
- printf("\n");
- printf("\n");
-#endif
-}
-
-static void interactive_mode(void)
-{
- char line[1024];
- void *tree;
- RESULT result = { 0, 0, 0, NULL };
-
- printf("\neval> ");
- for (fgets(line, sizeof(line), stdin); !feof(stdin); fgets(line, sizeof(line), stdin)) {
- if (line[strlen(line) - 1] == '\n')
- line[strlen(line) - 1] = '\0';
- if (strlen(line) > 0) {
- if (Compile(line, &tree) != -1) {
- Eval(tree, &result);
- if (result.type == R_NUMBER) {
- printf("%g\n", R2N(&result));
- } else if (result.type == R_STRING) {
- printf("'%s'\n", R2S(&result));
- } else if (result.type == (R_NUMBER | R_STRING)) {
- printf("'%s' (%g)\n", R2S(&result), R2N(&result));
- } else {
- printf("internal error: unknown result type %d\n", result.type);
- }
- DelResult(&result);
- }
- DelTree(tree);
- }
- printf("eval> ");
- }
- printf("\n");
-}
-
-
-void handler(int signal)
-{
- debug("got signal %d", signal);
- got_signal = signal;
-}
-
-
-static void daemonize(void)
-{
-
- /* thanks to Petri Damsten, we now follow the guidelines from the UNIX Programming FAQ */
- /* 1.7 How do I get my program to act like a daemon? */
- /* http://www.erlenstar.demon.co.uk/unix/faq_2.html#SEC16 */
- /* especially the double-fork solved the 'lcd4linux dying when called from init' problem */
-
- pid_t i;
- int fd;
-
-
- /* Step 1: fork() so that the parent can exit */
- i = fork();
- if (i < 0) {
- error("fork(#1) failed: %s", strerror(errno));
- exit(1);
- }
- if (i != 0)
- exit(0);
-
- /* Step 2: setsid() to become a process group and session group leader */
- setsid();
-
- /* Step 3: fork() again so the parent (the session group leader) can exit */
- i = fork();
- if (i < 0) {
- error("fork(#2) failed: %s", strerror(errno));
- exit(1);
- }
- if (i != 0)
- exit(0);
-
- /* Step 4: chdir("/") to ensure that our process doesn't keep any directory in use */
- if (chdir("/") != 0) {
- error("chdir(\"/\") failed: %s", strerror(errno));
- exit(1);
- }
-
- /* Step 5: umask(0) so that we have complete control over the permissions of anything we write */
- umask(0);
-
- /* Step 6: Establish new open descriptors for stdin, stdout and stderr */
- /* detach stdin */
- if (freopen("/dev/null", "r", stdin) == NULL) {
- error("freopen (/dev/null) failed: %s", strerror(errno));
- exit(1);
- }
-
- /* detach stdout and stderr */
- fd = open("/dev/null", O_WRONLY, 0666);
- if (fd == -1) {
- error("open (/dev/null) failed: %s", strerror(errno));
- exit(1);
- }
- fflush(stdout);
- dup2(fd, STDOUT_FILENO);
- fflush(stderr);
- dup2(fd, STDERR_FILENO);
- close(fd);
-
-}
-
-
-int main(int argc, char *argv[])
-{
- char *cfg = "/etc/lcd4linux.conf";
- char *pidfile = PIDFILE;
- char *display, *driver, *layout;
- char section[32];
- int c;
- int quiet = 0;
- int interactive = 0;
- int list_mode = 0;
- int pid;
-
- /* save arguments for restart */
- my_argv = malloc(sizeof(char *) * (argc + 1));
- for (c = 0; c < argc; c++) {
- my_argv[c] = strdup(argv[c]);
- }
- my_argv[c] = NULL;
-
- /* save original arguments pointer for threads */
- thread_argv = argv;
- thread_argc = argc;
-
- running_foreground = 0;
- running_background = 0;
-
-#ifdef WITH_X11
- drv_X11_parseArgs(&argc, argv);
- if (argc != thread_argc) {
- /* info() will not work here because verbose level is not known */
- printf("recognized special X11 parameters\n");
- }
-#endif
- while ((c = getopt(argc, argv, "c:Ff:hilo:qvp:")) != EOF) {
-
- switch (c) {
- case 'c':
- if (cfg_cmd(optarg) < 0) {
- fprintf(stderr, "%s: illegal argument -c '%s'\n", argv[0], optarg);
- exit(2);
- }
- break;
- case 'F':
- running_foreground++;
- break;
- case 'f':
- cfg = optarg;
- break;
- case 'h':
- usage();
- exit(0);
- case 'i':
- interactive++;
- break;
- case 'l':
- list_mode++;
- break;
- case 'o':
- output = optarg;
- break;
- case 'q':
- quiet++;
- break;
- case 'v':
- verbose_level++;
- break;
- case 'p':
- pidfile = optarg;
- break;
- default:
- exit(2);
- }
- }
-
- if (optind < argc) {
- fprintf(stderr, "%s: illegal option %s\n", argv[0], argv[optind]);
- exit(2);
- }
-
- /* do not fork in interactive mode */
- if (interactive) {
- running_foreground = 1;
- }
-
- if (list_mode > 0) {
- printf("%s\n", release);
- printf("%s\n", copyright);
- printf("\n");
- drv_list();
- printf("\n");
- plugin_list();
- printf("\n");
- exit(0);
- }
-
- info("%s starting", release);
- if (!running_foreground && (my_argv[0] == NULL || my_argv[0][0] != '/')) {
- info("invoked without full path; restart may not work!");
- }
-
- if (cfg_init(cfg) == -1) {
- error("Error reading configuration. Exit!");
- exit(1);
- }
-
- if (plugin_init() == -1) {
- error("Error initializing plugins. Exit!");
- exit(1);
- }
-
- display = cfg_get(NULL, "Display", NULL);
- if (display == NULL || *display == '\0') {
- error("missing 'Display' entry in %s!", cfg_source());
- exit(1);
- }
-
- qprintf(section, sizeof(section), "Display:%s", display);
- free(display);
- driver = cfg_get(section, "Driver", NULL);
- if (driver == NULL || *driver == '\0') {
- error("missing '%s.Driver' entry in %s!", section, cfg_source());
- exit(1);
- }
-
- if (!running_foreground) {
-
- debug("going background...");
-
- daemonize();
-
- /* ignore nasty signals */
- signal(SIGINT, SIG_IGN);
- signal(SIGQUIT, SIG_IGN);
-
- /* create PID file */
- if ((pid = pid_init(pidfile)) != 0) {
- error("lcd4linux already running as process %d", pid);
- exit(1);
- }
-
- /* now we are a daemon */
- running_background = 1;
- }
-
- /* go into interactive mode before display initialization */
- if (interactive >= 2) {
- interactive_mode();
- pid_exit(pidfile);
- cfg_exit();
- exit(0);
- }
-
- /* check the conf to see if quiet startup is wanted */
- if (!quiet) {
- cfg_number(NULL, "Quiet", 0, 0, 1, &quiet);
- }
-
- debug("initializing driver %s", driver);
- if (drv_init(section, driver, quiet) == -1) {
- error("Error initializing driver %s: Exit!", driver);
- pid_exit(pidfile);
- exit(1);
- }
- free(driver);
-
- /* register timer widget */
- widget_timer_register();
-
- /* go into interactive mode (display has been initialized) */
- if (interactive >= 1) {
- interactive_mode();
- drv_quit(quiet);
- pid_exit(pidfile);
- cfg_exit();
- exit(0);
- }
-
- /* check for new-style layout */
- layout = cfg_get(NULL, "Layout", NULL);
- if (layout == NULL || *layout == '\0') {
- error("missing 'Layout' entry in %s!", cfg_source());
- exit(1);
- }
-
- layout_init(layout);
- free(layout);
-
- debug("starting main loop");
-
-
- /* now install our own signal handler */
- signal(SIGHUP, handler);
- signal(SIGINT, handler);
- signal(SIGQUIT, handler);
- signal(SIGTERM, handler);
-
- while (got_signal == 0) {
- struct timespec delay;
- if (timer_process(&delay) < 0)
- break;
- event_process(&delay);
- }
-
- debug("leaving main loop");
-
- drv_quit(quiet);
- pid_exit(pidfile);
- cfg_exit();
- plugin_exit();
- timer_exit_group();
- timer_exit();
-
- if (got_signal == SIGHUP) {
- long fd;
- debug("restarting...");
- /* close all files on exec */
- for (fd = sysconf(_SC_OPEN_MAX); fd > 2; fd--) {
- int flag;
- if ((flag = fcntl(fd, F_GETFD, 0)) != -1)
- fcntl(fd, F_SETFD, flag | FD_CLOEXEC);
- }
- execv(my_argv[0], my_argv);
- error("execv() failed: %s", strerror(errno));
- exit(1);
- }
-
- for (c = 0; my_argv[c] != NULL; c++) {
- free(my_argv[c]);
- }
- free(my_argv);
-
- exit(0);
-}
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