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author | Luca Boccassi <bluca@debian.org> | 2024-02-27 21:07:18 +0100 |
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committer | GitHub <noreply@github.com> | 2024-02-27 21:07:18 +0100 |
commit | 47c2a6e958fb146161bfe55fc47bdbcdcae4ffca (patch) | |
tree | 98f4d12afa1f3f51cebec75c8f2a9c3367510195 /man | |
parent | Merge pull request #31442 from YHNdnzj/towards-cgroup-v1-deprecation (diff) | |
parent | shared/pam-util: fix awkward tense in log message (diff) | |
download | systemd-47c2a6e958fb146161bfe55fc47bdbcdcae4ffca.tar.xz systemd-47c2a6e958fb146161bfe55fc47bdbcdcae4ffca.zip |
Merge pull request #31515 from keszybz/small-cleanups-after-review-of-stable-batch
Small cleanups after review of stable batch
Diffstat (limited to 'man')
-rw-r--r-- | man/sd_bus_service_reconnect.c | 65 |
1 files changed, 34 insertions, 31 deletions
diff --git a/man/sd_bus_service_reconnect.c b/man/sd_bus_service_reconnect.c index 0b75086ef1..c0818689f2 100644 --- a/man/sd_bus_service_reconnect.c +++ b/man/sd_bus_service_reconnect.c @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: MIT-0 */ -/* Implements a D-Bus service that automatically reconnects when the system bus is restarted. +/* A D-Bus service that automatically reconnects when the system bus is + * restarted. * * Compile with 'cc sd_bus_service_reconnect.c $(pkg-config --libs --cflags libsystemd)' * @@ -10,18 +11,18 @@ <?xml version="1.0"?> <!--*-nxml-*--> <!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN" - "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd"> + "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd"> <busconfig> - <policy user="root"> - <allow own="org.freedesktop.ReconnectExample"/> - <allow send_destination="org.freedesktop.ReconnectExample"/> - <allow receive_sender="org.freedesktop.ReconnectExample"/> - </policy> - - <policy context="default"> - <allow send_destination="org.freedesktop.ReconnectExample"/> - <allow receive_sender="org.freedesktop.ReconnectExample"/> - </policy> + <policy user="root"> + <allow own="org.freedesktop.ReconnectExample"/> + <allow send_destination="org.freedesktop.ReconnectExample"/> + <allow receive_sender="org.freedesktop.ReconnectExample"/> + </policy> + + <policy context="default"> + <allow send_destination="org.freedesktop.ReconnectExample"/> + <allow receive_sender="org.freedesktop.ReconnectExample"/> + </policy> </busconfig> * @@ -31,7 +32,7 @@ * /org/freedesktop/ReconnectExample \ * org.freedesktop.ReconnectExample \ * Example - * s "example" + * s "example" */ #include <errno.h> @@ -93,7 +94,8 @@ static int on_disconnect(sd_bus_message *message, void *userdata, sd_bus_error * return 0; } -/* Ensure the event loop exits with a clear error if acquiring the well-known service name fails */ +/* Ensure the event loop exits with a clear error if acquiring the well-known + * service name fails */ static int request_name_callback(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) { if (!sd_bus_message_is_method_error(m, NULL)) return 1; @@ -111,8 +113,8 @@ static int request_name_callback(sd_bus_message *m, void *userdata, sd_bus_error } static int setup(object *o) { - /* If we are reconnecting, then the bus object needs to be closed, detached from - * the event loop and recreated. + /* If we are reconnecting, then the bus object needs to be closed, detached + * from the event loop and recreated. * https://www.freedesktop.org/software/systemd/man/sd_bus_detach_event.html * https://www.freedesktop.org/software/systemd/man/sd_bus_close_unref.html */ @@ -121,9 +123,10 @@ static int setup(object *o) { *o->bus = sd_bus_close_unref(*o->bus); } - /* Set up a new bus object for the system bus, configure it to wait for D-Bus to be available - * instead of failing if it is not, and start it. All the following operations are asynchronous - * and will not block waiting for D-Bus to be available. + /* Set up a new bus object for the system bus, configure it to wait for D-Bus + * to be available instead of failing if it is not, and start it. All the + * following operations are asynchronous and will not block waiting for D-Bus + * to be available. * https://www.freedesktop.org/software/systemd/man/sd_bus_new.html * https://www.freedesktop.org/software/systemd/man/sd_bus_set_address.html * https://www.freedesktop.org/software/systemd/man/sd_bus_set_bus_client.html @@ -150,10 +153,10 @@ static int setup(object *o) { "org.freedesktop.ReconnectExample", vtable, o)); - /* By default the service is only assigned an ephemeral name. Also add a well-known - * one, so that clients know whom to call. This needs to be asynchronous, as - * D-Bus might not be yet available. The callback will check whether the error is - * expected or not, in case it fails. + /* By default the service is only assigned an ephemeral name. Also add a + * well-known one, so that clients know whom to call. This needs to be + * asynchronous, as D-Bus might not be yet available. The callback will check + * whether the error is expected or not, in case it fails. * https://www.freedesktop.org/software/systemd/man/sd_bus_request_name.html */ check(sd_bus_request_name_async(*o->bus, @@ -162,9 +165,9 @@ static int setup(object *o) { 0, request_name_callback, o)); - /* When D-Bus is disconnected this callback will be invoked, which will - * set up the connection again. This needs to be asynchronous, as D-Bus might not - * yet be available. + /* When D-Bus is disconnected this callback will be invoked, which will set up + * the connection again. This needs to be asynchronous, as D-Bus might not yet + * be available. * https://www.freedesktop.org/software/systemd/man/sd_bus_match_signal_async.html */ check(sd_bus_match_signal_async(*o->bus, @@ -176,7 +179,8 @@ static int setup(object *o) { on_disconnect, NULL, o)); - /* Attach the bus object to the event loop so that calls and signals are processed. + /* Attach the bus object to the event loop so that calls and signals are + * processed. * https://www.freedesktop.org/software/systemd/man/sd_bus_attach_event.html */ check(sd_bus_attach_event(*o->bus, *o->event, 0)); @@ -186,8 +190,7 @@ static int setup(object *o) { int main(int argc, char **argv) { /* The bus should be relinquished before the program terminates. The cleanup - * attribute allows us to do it nicely and cleanly whenever we exit the - * block. + * attribute allows us to do it nicely and cleanly whenever we exit the block. */ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; _cleanup_(sd_event_unrefp) sd_event *event = NULL; @@ -202,8 +205,8 @@ int main(int argc, char **argv) { */ check(sd_event_default(&event)); - /* By default the event loop will terminate when all sources have disappeared, so - * we have to keep it 'occupied'. Register signal handling to do so. + /* By default the event loop will terminate when all sources have disappeared, + * so we have to keep it 'occupied'. Register signal handling to do so. * https://www.freedesktop.org/software/systemd/man/sd_event_add_signal.html */ check(sd_event_add_signal(event, NULL, SIGINT|SD_EVENT_SIGNAL_PROCMASK, NULL, NULL)); |