se-Stora_Skedvi « dvb-t - dtv-scan-tables.git - Digital TV scan tables

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# Sweden - Stora Skedvi
# T freq bw fec_hi fec_lo mod transmission-mode guard-interval hierarchy
T 578000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE

mph */ .highlight .gr { color: #aa0000 } /* Generic.Error */ .highlight .gh { color: #333333 } /* Generic.Heading */ .highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */ .highlight .go { color: #888888 } /* Generic.Output */ .highlight .gp { color: #555555 } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #666666 } /* Generic.Subheading */ .highlight .gt { color: #aa0000 } /* Generic.Traceback */ .highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */

/* $Id$
 * $URL$
 *
 * PID file handling
 *
 * Copyright (C) 1999, 2000 Michael Reinelt <reinelt@eunet.at>
 *
 * 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.
 *
 */

/* 
 * exported functions:
 * 
 * int pid_init (const char *pidfile)
 *   returns 0 if PID file could be successfully created
 *   returns PID of an already running process
 *   returns -1 in case of an error

 * int pid_exit (const char *pidfile)
 *   returns 0 if PID file could be successfully deleted
 *   otherwise returns error from unlink() call
 *
 */


#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 <sys/types.h>
#include <sys/stat.h>

#include "debug.h"
#include "pid.h"
#include "qprintf.h"

#ifdef WITH_DMALLOC
#include <dmalloc.h>
#endif


int pid_init(const char *pidfile)
{
    char tmpfile[256];
    char buffer[16];
    int fd, len, pid;

    qprintf(tmpfile, sizeof(tmpfile), "%s.%s", pidfile, "XXXXXX");

    if ((fd = mkstemp(tmpfile)) == -1) {
	error("mkstemp(%s) failed: %s", tmpfile, strerror(errno));
	return -1;
    }

    if (fchmod(fd, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH) == -1) {
	error("fchmod(%s) failed: %s", tmpfile, strerror(errno));
	close(fd);
	unlink(tmpfile);
	return -1;
    }

    qprintf(buffer, sizeof(buffer), "%d\n", (int) getpid());
    len = strlen(buffer);
    if (write(fd, buffer, len) != len) {
	error("write(%s) failed: %s", tmpfile, strerror(errno));
	close(fd);
	unlink(tmpfile);
	return -1;
    }
    close(fd);


    while (link(tmpfile, pidfile) == -1) {

	if (errno != EEXIST) {
	    error("link(%s, %s) failed: %s", tmpfile, pidfile, strerror(errno));
	    unlink(tmpfile);
	    return -1;
	}

	if ((fd = open(pidfile, O_RDONLY)) == -1) {
	    if (errno == ENOENT)
		continue;	/* pidfile disappared */
	    error("open(%s) failed: %s", pidfile, strerror(errno));
	    unlink(tmpfile);
	    return -1;
	}

	len = read(fd, buffer, sizeof(buffer) - 1);
	if (len < 0) {
	    error("read(%s) failed: %s", pidfile, strerror(errno));
	    unlink(tmpfile);
	    return -1;
	}

	buffer[len] = '\0';
	if (sscanf(buffer, "%d", &pid) != 1 || pid == 0) {
	    error("scan(%s) failed.", pidfile);
	    unlink(tmpfile);
	    return -1;
	}

	if (pid == getpid()) {
	    error("%s already locked by us. uh-oh...", pidfile);
	    unlink(tmpfile);
	    return 0;
	}

	if ((kill(pid, 0) == -1) && errno == ESRCH) {
	    error("removing stale PID file %s", pidfile);
	    if (unlink(pidfile) == -1 && errno != ENOENT) {
		error("unlink(%s) failed: %s", pidfile, strerror(errno));
		unlink(tmpfile);
		return pid;
	    }
	    continue;
	}
	unlink(tmpfile);
	return pid;
    }

    unlink(tmpfile);
    return 0;
}


int pid_exit(const char *pidfile)
{
    return unlink(pidfile);
}