Imported Upstream version 0.1

1 files changed, 25 insertions, 0 deletions

diff --git a/sched.c b/sched.c
new file mode 100644
index 0000000..be48e3c
--- /dev/null
+++ b/sched.c
@@ -0,0 +1,25 @@
+#include <time.h>
+#include <unistd.h>
+
+#include "sched.h"
+
+#define min(x, y) ((x) < (y)?(x) : (y))
+
+void sleep_untill_next_event(sched_t *psched, int n_sched)
+{
+	time_t now = time(NULL);
+	int loop;
+	int sleep_n = now + 3600;
+
+	for(loop=0; loop<n_sched; loop++)
+	{
+		time_t cur_next_schedule = psched[loop].last_run + psched[loop].interval;
+
+		sleep_n = min(sleep_n, cur_next_schedule - now);
+		if (sleep_n < 0)
+			sleep_n = 0;
+	}
+
+	if (sleep_n > 0)
+		sleep(sleep_n);
+}