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Diffstat (limited to 'src/afb-systemd.c')
-rw-r--r-- | src/afb-systemd.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/afb-systemd.c b/src/afb-systemd.c new file mode 100644 index 00000000..4faa9fc7 --- /dev/null +++ b/src/afb-systemd.c @@ -0,0 +1,64 @@ +/* + * Copyright (C) 2015, 2016, 2017 "IoT.bzh" + * Author José Bollo <jose.bollo@iot.bzh> + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#define _GNU_SOURCE + +#include <unistd.h> +#include <errno.h> + +#include <systemd/sd-event.h> +#include <systemd/sd-bus.h> + +#include "afb-systemd.h" +#include "jobs.h" + +static struct sd_bus *sdbusopen(struct sd_bus **p, int (*f)(struct sd_bus **)) +{ + if (*p == NULL) { + int rc = f(p); + if (rc < 0) { + errno = -rc; + *p = NULL; + } else { + rc = sd_bus_attach_event(*p, afb_systemd_get_event_loop(), 0); + if (rc < 0) { + sd_bus_unref(*p); + errno = -rc; + *p = NULL; + } + } + } + return *p; +} + +struct sd_event *afb_systemd_get_event_loop() +{ + return jobs_get_sd_event(); +} + +struct sd_bus *afb_systemd_get_user_bus() +{ + static struct sd_bus *result = NULL; + return sdbusopen((void*)&result, (void*)sd_bus_open_user); +} + +struct sd_bus *afb_systemd_get_system_bus() +{ + static struct sd_bus *result = NULL; + return sdbusopen((void*)&result, (void*)sd_bus_open_system); +} + |