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[lcd4linux @ 2000-08-10 09:44:09 by reinelt]

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new debugging scheme: error(), info(), debug()
uses syslog if in daemon mode

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@64 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
This commit is contained in:
reinelt
2000-08-10 09:44:09 +00:00
parent 0cb72bf49d
commit 994c3f1ff0
21 changed files with 1162 additions and 1068 deletions
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45
lcd4linux.c
View File

@@ -1,4 +1,4 @@
/* $Id: lcd4linux.c,v 1.25 2000/08/09 14:14:11 reinelt Exp $
/* $Id: lcd4linux.c,v 1.26 2000/08/10 09:44:09 reinelt Exp $
*
* LCD4Linux
*
@@ -20,6 +20,11 @@
*
*
* $Log: lcd4linux.c,v $
* Revision 1.26 2000/08/10 09:44:09 reinelt
*
* new debugging scheme: error(), info(), debug()
* uses syslog if in daemon mode
*
* Revision 1.25 2000/08/09 14:14:11 reinelt
*
* new switch -F (do not fork)
@@ -159,7 +164,8 @@
char *release="LCD4Linux " VERSION " (c) 2000 Michael Reinelt <reinelt@eunet.at>";
char *output=NULL;
int got_signal=0;
int debugging=0;
int debugging=1;
int foreground=0;
int tick, tack;
static void usage(void)
@@ -225,7 +231,7 @@ void calibrate (void)
void handler (int signal)
{
debug ("got signal %d\n", signal);
debug ("got signal %d", signal);
got_signal=signal;
}
@@ -234,7 +240,6 @@ int main (int argc, char *argv[])
char *cfg="/etc/lcd4linux.conf";
char *driver;
int c, smooth;
int foreground=0;
int quiet=0;
while ((c=getopt (argc, argv, "c:dFf:hlo:qv"))!=EOF) {
@@ -269,7 +274,6 @@ int main (int argc, char *argv[])
break;
case 'v':
debugging++;
foreground++;
break;
default:
exit(2);
@@ -283,24 +287,23 @@ int main (int argc, char *argv[])
if (!foreground) {
pid_t i;
// debugging does not make sense here
// because -v implies -F which sets foreground=1
// debug ("going background...\n");
debug ("going background...");
i=fork();
if (i<0) {
perror ("fork() failed");
error ("fork() failed: %s", strerror(errno));
exit (1);
}
printf ("fork() returned %d\n", i);
if (i!=0)
exit (0);
close (0);
close (1);
printf ("Hallo stdout\n");
fprintf (stderr, "Hallo stderr\n");
// close stdin/out/err ???
// open (dev/null) ???
}
debug ("LCD4Linux " VERSION "\n");
if (foreground)
debug ("LCD4Linux " VERSION);
else
info ("Version " VERSION " starting");
// set default values
@@ -314,11 +317,11 @@ int main (int argc, char *argv[])
driver=cfg_get("display");
if (driver==NULL || *driver=='\0') {
fprintf (stderr, "%s: missing 'display' entry!\n", cfg_file());
error ("%s: missing 'display' entry!", cfg_file());
exit (1);
}
debug ("initializing driver %s\n", driver);
debug ("initializing driver %s", driver);
if (lcd_init(driver)==-1) {
exit (1);
}
@@ -339,7 +342,7 @@ int main (int argc, char *argv[])
lcd_clear();
}
debug ("starting main loop\n");
debug ("starting main loop");
smooth=0;
while (got_signal==0) {
@@ -349,14 +352,14 @@ int main (int argc, char *argv[])
usleep(tick*1000);
}
debug ("leaving main loop\n");
debug ("leaving main loop");
lcd_clear();
if (!quiet) hello();
lcd_quit();
if (got_signal==SIGHUP) {
debug ("restarting\n");
debug ("restarting");
}
exit (0);
}