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tree-wide: install matches asynchronously

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Let's remove a number of synchronization points from our service
startups: let's drop synchronous match installation, and let's opt for
asynchronous instead.

Also, let's use sd_bus_match_signal() instead of sd_bus_add_match()
where we can.
This commit is contained in:
Lennart Poettering
2018-01-05 13:58:32 +01:00
parent 0c0b930647
commit 75152a4d6a
14 changed files with 183 additions and 196 deletions
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src/shared/bus-unit-util.c
+12 -18
View File
@@ -1730,31 +1730,25 @@ int bus_wait_for_jobs_new(sd_bus *bus, BusWaitForJobs **ret) {
/* When we are a bus client we match by sender. Direct
* connections OTOH have no initialized sender field, and
* hence we ignore the sender then */
r = sd_bus_add_match(
r = sd_bus_match_signal_async(
bus,
&d->slot_job_removed,
bus->bus_client ?
"type='signal',"
"sender='org.freedesktop.systemd1',"
"interface='org.freedesktop.systemd1.Manager',"
"member='JobRemoved',"
"path='/org/freedesktop/systemd1'" :
"type='signal',"
"interface='org.freedesktop.systemd1.Manager',"
"member='JobRemoved',"
"path='/org/freedesktop/systemd1'",
match_job_removed, d);
bus->bus_client ? "org.freedesktop.systemd1" : NULL,
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"JobRemoved",
match_job_removed, NULL, d);
if (r < 0)
return r;
r = sd_bus_add_match(
r = sd_bus_match_signal_async(
bus,
&d->slot_disconnected,
"type='signal',"
"sender='org.freedesktop.DBus.Local',"
"interface='org.freedesktop.DBus.Local',"
"member='Disconnected'",
match_disconnected, d);
"org.freedesktop.DBus.Local",
NULL,
"org.freedesktop.DBus.Local",
"Disconnected",
match_disconnected, NULL, d);
if (r < 0)
return r;