X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Ffdev-systemd.c;fp=src%2Ffdev-systemd.c;h=0f4a03cde265cfb9a5956eabc55433eef6f6266f;hb=ca820c65c2b03a24e8936218171c6c1d138fd1f7;hp=0000000000000000000000000000000000000000;hpb=f15ea770dd9b13a20331853a026091316984f9ca;p=src%2Fapp-framework-binder.git diff --git a/src/fdev-systemd.c b/src/fdev-systemd.c new file mode 100644 index 00000000..0f4a03cd --- /dev/null +++ b/src/fdev-systemd.c @@ -0,0 +1,79 @@ +/* + * Copyright (C) 2018 "IoT.bzh" + * Author José Bollo + * + * 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. + */ + +#include + +#include + +#define FDEV_PROVIDER +#include "fdev.h" +#include "fdev-systemd.h" + +static int handler(sd_event_source *s, int fd, uint32_t revents, void *userdata) +{ + struct fdev *fdev = userdata; + fdev_dispatch(fdev, revents); + return 0; +} + +static void unref(void *closure) +{ + sd_event_source *source = closure; + sd_event_source_unref(source); +} + +static void disable(void *closure, const struct fdev *fdev) +{ + sd_event_source *source = closure; + sd_event_source_set_enabled(source, SD_EVENT_OFF); +} + +static void enable(void *closure, const struct fdev *fdev) +{ + sd_event_source *source = closure; + sd_event_source_set_io_events(source, fdev_events(fdev)); + sd_event_source_set_enabled(source, SD_EVENT_ON); +} + +static struct fdev_itf itf = +{ + .unref = unref, + .disable = disable, + .enable = enable +}; + +struct fdev *fdev_systemd_create(struct sd_event *eloop, int fd) +{ + int rc; + sd_event_source *source; + struct fdev *fdev; + + fdev = fdev_create(fd); + if (fdev) { + rc = sd_event_add_io(eloop, &source, fd, 0, handler, fdev); + if (rc < 0) { + fdev_unref(fdev); + fdev = 0; + errno = -rc; + } else { + sd_event_source_set_enabled(source, SD_EVENT_OFF); + fdev_set_itf(fdev, &itf, source); + } + } + return fdev; +} +