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authorLennart Poettering <lennart@poettering.net>2016-02-01 00:20:18 +0100
committerLennart Poettering <lennart@poettering.net>2016-02-01 22:18:15 +0100
commit393003e1debf7c7f75beaacbd532b92c3e3dc729 (patch)
tree7202950939e4249129a2446695257f2e9b81eda0 /src/libsystemd
parent1bce0ffa66f329bd50d8bfaa943a755caa65b269 (diff)
sd-event: permit a USEC_INFINITY timeout as an alternative to a disabling an event source
This should simplify handling of time events in clients and is in-line with the USEC_INFINITY macro we already have. This way setting a timeout to 0 indicates "elapse immediately", and a timeout of USEC_INFINITY "elapse never".
Diffstat (limited to 'src/libsystemd')
-rw-r--r--src/libsystemd/sd-event/sd-event.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/libsystemd/sd-event/sd-event.c b/src/libsystemd/sd-event/sd-event.c
index 8552d5a54e..eeb3453919 100644
--- a/src/libsystemd/sd-event/sd-event.c
+++ b/src/libsystemd/sd-event/sd-event.c
@@ -1070,7 +1070,6 @@ _public_ int sd_event_add_time(
int r;
assert_return(e, -EINVAL);
- assert_return(usec != (uint64_t) -1, -EINVAL);
assert_return(accuracy != (uint64_t) -1, -EINVAL);
assert_return(e->state != SD_EVENT_FINISHED, -ESTALE);
assert_return(!event_pid_changed(e), -ECHILD);
@@ -1760,7 +1759,6 @@ _public_ int sd_event_source_set_time(sd_event_source *s, uint64_t usec) {
struct clock_data *d;
assert_return(s, -EINVAL);
- assert_return(usec != (uint64_t) -1, -EINVAL);
assert_return(EVENT_SOURCE_IS_TIME(s->type), -EDOM);
assert_return(s->event->state != SD_EVENT_FINISHED, -ESTALE);
assert_return(!event_pid_changed(s->event), -ECHILD);
@@ -1890,6 +1888,8 @@ static usec_t sleep_between(sd_event *e, usec_t a, usec_t b) {
if (a <= 0)
return 0;
+ if (a >= USEC_INFINITY)
+ return USEC_INFINITY;
if (b <= a + 1)
return a;
@@ -1979,7 +1979,7 @@ static int event_arm_timer(
d->needs_rearm = false;
a = prioq_peek(d->earliest);
- if (!a || a->enabled == SD_EVENT_OFF) {
+ if (!a || a->enabled == SD_EVENT_OFF || a->time.next == USEC_INFINITY) {
if (d->fd < 0)
return 0;