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509d4b1511
When ipc socket was closed before poll and new connection got same fd as original IPC socket, shutdown didn't work. Solution is to check if IPC socket is active during poll array create. Signed-off-by: Jan Friesse <jfriesse@redhat.com>
81 lines
2.9 KiB
C
81 lines
2.9 KiB
C
/*
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* Copyright (c) 2015-2016 Red Hat, Inc.
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*
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* All rights reserved.
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*
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* Author: Jan Friesse (jfriesse@redhat.com)
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*
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* This software licensed under BSD license, the text of which follows:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of the Red Hat, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _QDEVICE_IPC_H_
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#define _QDEVICE_IPC_H_
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#include "qdevice-instance.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct qdevice_ipc_user_data {
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void *model_data;
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int shutdown_requested;
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};
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extern int qdevice_ipc_init(struct qdevice_instance *instance);
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extern int qdevice_ipc_close(struct qdevice_instance *instance);
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extern int qdevice_ipc_destroy(struct qdevice_instance *instance);
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extern int qdevice_ipc_accept(struct qdevice_instance *instance,
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struct unix_socket_client **res_client);
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extern void qdevice_ipc_client_disconnect(struct qdevice_instance *instance,
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struct unix_socket_client *client);
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extern void qdevice_ipc_io_read(struct qdevice_instance *instance,
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struct unix_socket_client *client);
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extern void qdevice_ipc_io_write(struct qdevice_instance *instance,
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struct unix_socket_client *client);
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extern int qdevice_ipc_send_error(struct qdevice_instance *instance,
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struct unix_socket_client *client, const char *error_fmt, ...)
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__attribute__((__format__(__printf__, 3, 4)));
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extern int qdevice_ipc_send_buffer(struct qdevice_instance *instance,
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struct unix_socket_client *client);
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extern int qdevice_ipc_is_closed(struct qdevice_instance *instance);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _QDEVICE_IPC_H_ */
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