+
−/*  MasqMail
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−    Copyright (C) 2001 Oliver Kurth
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−
+
−    This program is free software; you can redistribute it and/or modify
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−    it under the terms of the GNU General Public License as published by
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−    the Free Software Foundation; either version 2 of the License, or
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−    (at your option) any later version.
+
−
+
−    This program is distributed in the hope that it will be useful,
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−    but WITHOUT ANY WARRANTY; without even the implied warranty of
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−    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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−    GNU General Public License for more details.
+
−
+
−    You should have received a copy of the GNU General Public License
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−    along with this program; if not, write to the Free Software
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−    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
−*/
+
−
+
−#include <glib.h>
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−#include <unistd.h>
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−#include <fcntl.h>
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−#include <sys/stat.h>
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−#include <sys/types.h>
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−#include <syslog.h>
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−#include <errno.h>
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−#include <string.h>
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−#include <time.h>
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−
+
−#include "masqmail.h"
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−#include "dotlock.h"
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−
+
−gboolean
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−dot_lock(gchar * lock_name, gchar * hitch_name)
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−{
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−	gboolean ok = FALSE;
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−	int fd;
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−
+
−	fd = open(hitch_name, O_WRONLY | O_CREAT | O_EXCL, 0);
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−	if (fd != -1) {
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−		struct stat stat_buf;
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−
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−		close(fd);
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−		link(hitch_name, lock_name);
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−		if (stat(hitch_name, &stat_buf) == 0) {
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−			if (stat_buf.st_nlink == 2) {
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−				unlink(hitch_name);
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−				ok = TRUE;
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−			} else {
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−				if (stat(lock_name, &stat_buf) == 0) {
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−					if ((time(NULL) - stat_buf.st_mtime) > MAX_LOCKAGE) {
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−						/* remove lock if uncredibly old */
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−						unlink(lock_name);
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−
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−						link(hitch_name, lock_name);
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−						if (stat(hitch_name, &stat_buf) == 0) {
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−							if (stat_buf.st_nlink == 2) {
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−								unlink(hitch_name);
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−								ok = TRUE;
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−							}
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−						}
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−					}
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−				}
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−			}
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−		}
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−		if (!ok) {
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−			unlink(hitch_name);
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−		}
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−	} else
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−		logwrite(LOG_WARNING, "could not create lock file %s: %s\n", lock_name, strerror(errno));
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−
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−	return ok;
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−}
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−
+
−gboolean
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−dot_unlock(gchar * lock_name)
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−{
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−	unlink(lock_name);
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−
+
−	return TRUE;
+
−}