mirror of
https://gitlab.freedesktop.org/libinput/libei.git
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b6f477fb96
One macro that also defines the cleanup function, one macro that only defines the unref. This is required for any place where we want to use cleanup from multiple source files - like the test suite.
84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2020 Red Hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "config.h"
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#include <fcntl.h>
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#include <stdlib.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <unistd.h>
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#include "util-mem.h"
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#include "util-macros.h"
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#include "util-sources.h"
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#include "util-strings.h"
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#include "util-object.h"
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#include "libei.h"
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#include "libei-private.h"
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/**
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* This is the simplest backend: the caller prepares a socket and we just
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* take that and use it.
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*/
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struct ei_fd {
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struct object object;
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};
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static inline void
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ei_fd_destroy(struct ei_fd *backend)
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{
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/* nothing to do here */
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}
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static
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OBJECT_IMPLEMENT_CREATE(ei_fd);
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static
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OBJECT_IMPLEMENT_UNREF_CLEANUP(ei_fd);
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static void
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interface_fd_destroy(struct ei *ei, void *backend)
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{
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struct ei_fd *ei_fd = backend;
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ei_fd_unref(ei_fd);
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}
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static const struct ei_backend_interface interface = {
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.destroy = interface_fd_destroy,
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};
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_public_ int
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ei_setup_backend_fd(struct ei *ei, int fd)
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{
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assert(ei);
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assert(!ei->backend);
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struct ei_fd *ei_fd = ei_fd_create(&ei->object);
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ei->backend = ei_fd;
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ei->backend_interface = interface;
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return ei_set_connection(ei, fd);
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}
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