From bf878d08ddfb01aaaf6f81ff4592764cd1c0b4ac Mon Sep 17 00:00:00 2001
From: David Oberhollenzer <david.oberhollenzer@tele2.at>
Date: Wed, 21 Nov 2018 12:01:39 +0100
Subject: Remove cron daemon, rewritten and split off into seperate repo

Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
---
 crond/main.c | 135 -----------------------------------------------------------
 1 file changed, 135 deletions(-)
 delete mode 100644 crond/main.c

(limited to 'crond/main.c')

diff --git a/crond/main.c b/crond/main.c
deleted file mode 100644
index 613a1ae..0000000
--- a/crond/main.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * Copyright (C) 2018 - David Oberhollenzer
- *
- * This program 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 3 of the License, or
- * (at your option) any later version.
- *
- * This program 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, see <https://www.gnu.org/licenses/>.
- */
-#include "gcrond.h"
-
-static crontab_t *jobs;
-static sig_atomic_t run = 1;
-static sig_atomic_t rescan = 1;
-
-static void read_config(void)
-{
-	if (cronscan(GCRONDIR, &jobs)) {
-		fputs("Error reading configuration. Continuing anyway.\n",
-		      stderr);
-	}
-}
-
-static void cleanup_config(void)
-{
-	crontab_t *t;
-
-	while (jobs != NULL) {
-		t = jobs;
-		jobs = jobs->next;
-		delcron(t);
-	}
-}
-
-static int calc_timeout(void)
-{
-	time_t now = time(NULL), future;
-	struct tm tmstruct;
-	crontab_t mask, *t;
-	int minutes;
-
-	for (minutes = 0; minutes < 120; ++minutes) {
-		future = now + minutes * 60;
-
-		localtime_r(&future, &tmstruct);
-		cron_tm_to_mask(&mask, &tmstruct);
-
-		for (t = jobs; t != NULL; t = t->next) {
-			if (cron_should_run(t, &mask))
-				goto out;
-		}
-	}
-out:
-	return minutes ? minutes * 60 : 60;
-}
-
-static void runjobs(void)
-{
-	time_t now = time(NULL);
-	struct tm tmstruct;
-	crontab_t mask, *t;
-
-	localtime_r(&now, &tmstruct);
-	cron_tm_to_mask(&mask, &tmstruct);
-
-	for (t = jobs; t != NULL; t = t->next) {
-		if (cron_should_run(t, &mask))
-			runjob(t);
-	}
-}
-
-static void sighandler(int signo)
-{
-	pid_t pid;
-
-	switch (signo) {
-	case SIGINT:
-	case SIGTERM:
-		run = 0;
-		break;
-	case SIGHUP:
-		rescan = 1;
-		break;
-	case SIGCHLD:
-		while ((pid = waitpid(-1, NULL, WNOHANG)) != -1)
-			;
-		break;
-	}
-}
-
-int main(void)
-{
-	struct timespec stime;
-	struct sigaction act;
-	int timeout;
-
-	memset(&act, 0, sizeof(act));
-	act.sa_handler = sighandler;
-	sigaction(SIGINT, &act, NULL);
-	sigaction(SIGTERM, &act, NULL);
-	sigaction(SIGHUP, &act, NULL);
-	sigaction(SIGCHLD, &act, NULL);
-
-	while (run) {
-		if (rescan == 1) {
-			cleanup_config();
-			read_config();
-			timeout = 60;
-			rescan = 0;
-		} else {
-			runjobs();
-			timeout = calc_timeout();
-		}
-
-		stime.tv_sec = timeout;
-		stime.tv_nsec = 0;
-
-		while (nanosleep(&stime, &stime) != 0 && run && !rescan) {
-			if (errno != EINTR) {
-				perror("nanosleep");
-				break;
-			}
-		}
-	}
-
-	return EXIT_SUCCESS;
-}
-- 
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