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timer: support timers that can resume the system from suspend

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This commit is contained in:
Lennart Poettering
2014-03-24 16:24:07 +01:00
parent e955c45881
commit dedabea4b3
7 changed files with 104 additions and 30 deletions
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src/core/dbus-timer.c
+37 -3
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@@ -135,17 +135,51 @@ static int property_get_unit(
return sd_bus_message_append(reply, "s", trigger ? trigger->id : "");
}
static int property_get_next_elapse_monotonic(
sd_bus *bus,
const char *path,
const char *interface,
const char *property,
sd_bus_message *reply,
void *userdata,
sd_bus_error *error) {
Timer *t = userdata;
usec_t x;
assert(bus);
assert(reply);
assert(t);
if (t->next_elapse_monotonic_or_boottime <= 0)
x = 0;
else if (t->wake_system) {
usec_t a, b;
a = now(CLOCK_MONOTONIC);
b = now(CLOCK_BOOTTIME);
if (t->next_elapse_monotonic_or_boottime + a > b)
x = t->next_elapse_monotonic_or_boottime + a - b;
else
x = 0;
} else
x = t->next_elapse_monotonic_or_boottime;
return sd_bus_message_append(reply, "t", x);
}
const sd_bus_vtable bus_timer_vtable[] = {
SD_BUS_VTABLE_START(0),
SD_BUS_PROPERTY("Unit", "s", property_get_unit, 0, SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("TimersMonotonic", "a(stt)", property_get_monotonic_timers, 0, SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
SD_BUS_PROPERTY("TimersCalendar", "a(sst)", property_get_calendar_timers, 0, SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
SD_BUS_PROPERTY("NextElapseUSecRealtime", "t", bus_property_get_usec, offsetof(Timer, next_elapse_realtime), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("NextElapseUSecMonotonic", "t", bus_property_get_usec, offsetof(Timer, next_elapse_monotonic), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("LastTriggerUSecRealtime", "t", bus_property_get_usec, offsetof(Timer, last_trigger.realtime), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("LastTriggerUSecMonotonic", "t", bus_property_get_usec, offsetof(Timer, last_trigger.monotonic), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("NextElapseUSecMonotonic", "t", property_get_next_elapse_monotonic, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
BUS_PROPERTY_DUAL_TIMESTAMP("LastTriggerUSec", offsetof(Timer, last_trigger), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Timer, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("AccuracyUSec", "t", bus_property_get_usec, offsetof(Timer, accuracy_usec), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("Persistent", "b", bus_property_get_bool, offsetof(Timer, persistent), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("WakeSystem", "b", bus_property_get_bool, offsetof(Timer, wake_system), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_VTABLE_END
};