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The source ID number is an alternative way to identify a source that has been added to a GMainContext. Internally when a source ID is given, glib will lookup the corresponding GSource and use that. The use of a source ID is racy in some cases though, because it is invalid to continue to use an ID number after the GSource has been removed. It is thus safer to use the GSource object directly and have full control over the ref counting and thus cleanup. Reviewed-by: Michal Privoznik <mprivozn@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
/*
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* vireventglibwatch.h: GSource impl for sockets
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*
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* Copyright (C) 2015-2020 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "internal.h"
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/**
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* virEventGLibCreateSocketWatch:
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* @fd: the file descriptor
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* @condition: the I/O condition
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*
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* Create a new main loop source that is able to
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* monitor the file descriptor @fd for the
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* I/O conditions in @condition.
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*
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* Returns: the new main loop source
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*/
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GSource *virEventGLibCreateSocketWatch(int fd,
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GIOCondition condition);
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typedef gboolean (*virEventGLibSocketFunc)(int fd,
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GIOCondition condition,
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gpointer data);
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GSource *virEventGLibAddSocketWatch(int fd,
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GIOCondition condition,
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GMainContext *context,
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virEventGLibSocketFunc func,
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gpointer opaque,
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GDestroyNotify notify)
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G_GNUC_WARN_UNUSED_RESULT;
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