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