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48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/*
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*
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* (C) COPYRIGHT 2012-2013 ARM Limited. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the
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* GNU General Public License version 2 as published by the Free Software
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* Foundation, and any use by you of this program is subject to the terms
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* of such GNU licence.
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*
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* A copy of the licence is included with the program, and can also be obtained
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* from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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/**
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* @file
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* Base cross-proccess sync API.
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*/
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#ifndef _BASE_KERNEL_SYNC_H_
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#define _BASE_KERNEL_SYNC_H_
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#include <linux/ioctl.h>
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#define STREAM_IOC_MAGIC '~'
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/* Fence insert.
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*
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* Inserts a fence on the stream operated on.
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* Fence can be waited via a base fence wait soft-job
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* or triggered via a base fence trigger soft-job.
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*
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* Fences must be cleaned up with close when no longer needed.
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*
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* No input/output arguments.
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* Returns
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* >=0 fd
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* <0 error code
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*/
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#define STREAM_IOC_FENCE_INSERT _IO(STREAM_IOC_MAGIC, 0)
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#endif /* _BASE_KERNEL_SYNC_H_ */
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