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87e4276449
This is for code which needs a portable equivalent to a QIOChannelFile connected to /dev/null. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
/*
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* QEMU I/O channels null driver
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*
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* Copyright (c) 2022 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 <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef QIO_CHANNEL_FILE_H
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#define QIO_CHANNEL_FILE_H
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#include "io/channel.h"
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#include "qom/object.h"
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#define TYPE_QIO_CHANNEL_NULL "qio-channel-null"
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OBJECT_DECLARE_SIMPLE_TYPE(QIOChannelNull, QIO_CHANNEL_NULL)
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/**
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* QIOChannelNull:
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*
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* The QIOChannelNull object provides a channel implementation
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* that discards all writes and returns EOF for all reads.
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*/
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struct QIOChannelNull {
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QIOChannel parent;
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bool closed;
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};
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/**
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* qio_channel_null_new:
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*
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* Create a new IO channel object that discards all writes
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* and returns EOF for all reads.
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*
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* Returns: the new channel object
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*/
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QIOChannelNull *
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qio_channel_null_new(void);
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#endif /* QIO_CHANNEL_NULL_H */
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