From: NeilBrown <neilb@suse.de>
Date: Fri, 13 Dec 2013 09:24:15 +0000 (+1100)
Subject: New command : realarm
X-Git-Url: http://git.neil.brown.name/?a=commitdiff_plain;h=75a403ff48ac974f06d46b341cf4f69173719e1a;p=plato.git

New command : realarm

This can be used to communicate with susman to wake from suspend every
so often.
---

diff --git a/alarm/realarm.c b/alarm/realarm.c
new file mode 100644
index 0000000..106a52b
--- /dev/null
+++ b/alarm/realarm.c
@@ -0,0 +1,42 @@
+
+#define _XOPEN_SOURCE
+#define _BSD_SOURCE
+#define _GNU_SOURCE
+#include <unistd.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <fcntl.h>
+#include <time.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <linux/rtc.h>
+#include <sys/dir.h>
+#include <event.h>
+#include "libsus.h"
+
+
+int seconds = 60;
+struct event *wkev;
+
+static void realarm(int fd, short ev, void *vp)
+{
+	if (wkev && !vp)
+		wakealarm_destroy(wkev);
+	wkev = wakealarm_set(time(0) + seconds, realarm, (void*)1);
+}
+
+
+main(int argc, char *argv[])
+{
+
+	if (argc >= 2) {
+		seconds = atoi(argv[1]);
+		if (seconds <= 0)
+			exit(1);
+	}
+	event_init();
+	realarm(0, 0, NULL);
+	event_loop(0);
+	exit(0);
+}