From 36697dc0199e25f09b78090fcf5f1cf8a3648ffd Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Fri, 23 Nov 2012 21:37:58 +0100 Subject: timer: implement calendar time events --- src/shared/calendarspec.h | 57 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 src/shared/calendarspec.h (limited to 'src/shared/calendarspec.h') diff --git a/src/shared/calendarspec.h b/src/shared/calendarspec.h new file mode 100644 index 0000000000..7baf318249 --- /dev/null +++ b/src/shared/calendarspec.h @@ -0,0 +1,57 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +#pragma once + +/*** + This file is part of systemd. + + Copyright 2012 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see . +***/ + +/* A structure for specifying (possibly repetitive) points in calendar + * time, a la cron */ + +#include +#include "util.h" + +typedef struct CalendarComponent { + int value; + int repeat; + + struct CalendarComponent *next; +} CalendarComponent; + +typedef struct CalendarSpec { + int weekdays_bits; + + CalendarComponent *year; + CalendarComponent *month; + CalendarComponent *day; + + CalendarComponent *hour; + CalendarComponent *minute; + CalendarComponent *second; +} CalendarSpec; + +void calendar_spec_free(CalendarSpec *c); + +int calendar_spec_normalize(CalendarSpec *spec); +bool calendar_spec_valid(CalendarSpec *spec); + +int calendar_spec_to_string(const CalendarSpec *spec, char **p); +int calendar_spec_from_string(const char *p, CalendarSpec **spec); + +int calendar_spec_next_usec(const CalendarSpec *spec, usec_t usec, usec_t *next); -- cgit v1.2.3-54-g00ecf