mirror of https://gitee.com/openkylin/qemu.git
53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/*
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* QEMU I/O channels utility APIs
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*
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* Copyright (c) 2016 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 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_UTIL_H__
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#define QIO_CHANNEL_UTIL_H__
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#include "io/channel.h"
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/*
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* This module provides helper functions that are useful when dealing
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* with QIOChannel objects
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*/
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/**
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* qio_channel_new_fd:
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* @fd: the file descriptor
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* @errp: pointer to a NULL-initialized error object
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*
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* Create a channel for performing I/O on the file
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* descriptor @fd. The particular subclass of QIOChannel
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* that is returned will depend on what underlying object
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* the file descriptor is associated with. It may be either
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* a QIOChannelSocket or a QIOChannelFile instance. Upon
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* success, the returned QIOChannel instance will own
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* the @fd file descriptor, and take responsibility for
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* closing it when no longer required. On failure, the
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* caller is responsible for closing @fd.
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*
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* Returns: the channel object, or NULL on error
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*/
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QIOChannel *qio_channel_new_fd(int fd,
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Error **errp);
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#endif /* QIO_CHANNEL_UTIL_H__ */
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