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Diffstat (limited to 'src/libsystemd-terminal/idev.h')
-rw-r--r-- | src/libsystemd-terminal/idev.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/libsystemd-terminal/idev.h b/src/libsystemd-terminal/idev.h new file mode 100644 index 0000000000..6f618f37af --- /dev/null +++ b/src/libsystemd-terminal/idev.h @@ -0,0 +1,133 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + This file is part of systemd. + + Copyright (C) 2014 David Herrmann <dh.herrmann@gmail.com> + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +/* + * IDev + */ + +#pragma once + +#include <inttypes.h> +#include <stdbool.h> +#include <stdlib.h> +#include <systemd/sd-bus.h> +#include <systemd/sd-event.h> +#include "util.h" + +typedef struct idev_data idev_data; + +typedef struct idev_event idev_event; +typedef struct idev_device idev_device; +typedef struct idev_session idev_session; +typedef struct idev_context idev_context; + +/* + * Types + */ + +enum { + IDEV_ELEMENT_CNT +}; + +enum { + IDEV_DEVICE_CNT +}; + +/* + * Data Packets + */ + +enum { + IDEV_DATA_RESYNC, + IDEV_DATA_CNT +}; + +struct idev_data { + unsigned int type; + bool resync : 1; +}; + +/* + * Events + */ + +enum { + IDEV_EVENT_DEVICE_ADD, + IDEV_EVENT_DEVICE_REMOVE, + IDEV_EVENT_DEVICE_DATA, + IDEV_EVENT_CNT +}; + +struct idev_event { + unsigned int type; + union { + struct { + idev_device *device; + } device_add, device_remove; + + struct { + idev_device *device; + idev_data data; + } device_data; + }; +}; + +typedef int (*idev_event_fn) (idev_session *s, void *userdata, idev_event *ev); + +/* + * Devices + */ + +void idev_device_enable(idev_device *d); +void idev_device_disable(idev_device *d); + +/* + * Sessions + */ + +enum { + IDEV_SESSION_CUSTOM = (1 << 0), + IDEV_SESSION_MANAGED = (1 << 1), +}; + +int idev_session_new(idev_session **out, + idev_context *c, + unsigned int flags, + const char *name, + idev_event_fn event_fn, + void *userdata); +idev_session *idev_session_free(idev_session *s); + +DEFINE_TRIVIAL_CLEANUP_FUNC(idev_session*, idev_session_free); + +bool idev_session_is_enabled(idev_session *s); +void idev_session_enable(idev_session *s); +void idev_session_disable(idev_session *s); + +/* + * Contexts + */ + +int idev_context_new(idev_context **out, sd_event *event, sd_bus *sysbus); +idev_context *idev_context_ref(idev_context *c); +idev_context *idev_context_unref(idev_context *c); + +DEFINE_TRIVIAL_CLEANUP_FUNC(idev_context*, idev_context_unref); |