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c8198bd5f9
There is no "version 2" of the "Lesser" General Public License. It is either "GPL version 2.0" or "Lesser GPL version 2.1". This patch replaces all occurrences of "Lesser GPL version 2" with "Lesser GPL version 2.1" in comment section. Signed-off-by: Chetan Pant <chetan4windows@gmail.com> Acked-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20201014134033.14095-1-chetan4windows@gmail.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
90 lines
2.9 KiB
C
90 lines
2.9 KiB
C
/*
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* QEMU I/O channels watch helper APIs
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*
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* Copyright (c) 2015 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_WATCH_H
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#define QIO_CHANNEL_WATCH_H
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#include "io/channel.h"
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/*
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* This module provides helper functions that will be needed by
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* the various QIOChannel implementations, for creating watches
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* on file descriptors / sockets
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*/
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/**
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* qio_channel_create_fd_watch:
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* @ioc: the channel object
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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. This is able
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* monitor block devices, character devices,
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* pipes but not plain files or, on Win32, sockets.
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*
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* Returns: the new main loop source
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*/
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GSource *qio_channel_create_fd_watch(QIOChannel *ioc,
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int fd,
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GIOCondition condition);
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/**
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* qio_channel_create_socket_watch:
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* @ioc: the channel object
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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. This is equivalent
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* to qio_channel_create_fd_watch on POSIX systems
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* but not on Windows.
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*
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* Returns: the new main loop source
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*/
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GSource *qio_channel_create_socket_watch(QIOChannel *ioc,
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int fd,
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GIOCondition condition);
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/**
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* qio_channel_create_fd_pair_watch:
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* @ioc: the channel object
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* @fdread: the file descriptor for reading
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* @fdwrite: the file descriptor for writing
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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 pair of file descriptors @fdread
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* and @fdwrite for the I/O conditions in @condition.
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* This is intended for monitoring unidirectional
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* file descriptors such as pipes, where a pair
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* of descriptors is required for bidirectional
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* I/O
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*
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* Returns: the new main loop source
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*/
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GSource *qio_channel_create_fd_pair_watch(QIOChannel *ioc,
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int fdread,
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int fdwrite,
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GIOCondition condition);
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#endif /* QIO_CHANNEL_WATCH_H */
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