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85 lines
1.6 KiB
C
85 lines
1.6 KiB
C
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// Copyright 2020, Collabora, Ltd.
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// SPDX-License-Identifier: BSL-1.0
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/*!
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* @file
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* @brief IPC util helpers, for internal use only
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* @author Ryan Pavlik <ryan.pavlik@collabora.com>
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* @ingroup ipc_internal
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*/
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#pragma once
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#include <xrt/xrt_results.h>
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#include <stddef.h>
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#include <stdbool.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*!
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* Wrapper for a socket and flags.
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*/
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struct ipc_message_channel
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{
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int socket_fd;
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bool print_debug;
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};
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/*!
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* Close an IPC message channel
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*/
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void
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ipc_message_channel_close(struct ipc_message_channel *imc);
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/*!
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* Send a bare message over the IPC channel.
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*
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* There are other functions if you have handles, not just scalar/aggregate
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* data.
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*/
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xrt_result_t
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ipc_send(struct ipc_message_channel *imc, const void *data, size_t size);
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/*!
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* Receive a bare message over the IPC channel.
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*
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* There are other functions if you have handles, not just scalar/aggregate
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* data.
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*/
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xrt_result_t
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ipc_receive(struct ipc_message_channel *imc, void *out_data, size_t size);
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/*!
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* @name File Descriptor utilities
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* @{
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*/
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/*!
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* Receive a message along with a known number of file descriptors over the IPC
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* channel.
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*/
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xrt_result_t
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ipc_receive_fds(struct ipc_message_channel *imc,
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void *out_data,
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size_t size,
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int *out_handles,
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size_t num_handles);
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/*!
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* Send a message along with file descriptors over the IPC channel.
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*/
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xrt_result_t
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ipc_send_fds(struct ipc_message_channel *imc,
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const void *data,
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size_t size,
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const int *handles,
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size_t num_handles);
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/*!
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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