sync_file.h

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/*
 * include/linux/sync_file.h
 *
 * Copyright (C) 2012 Google, Inc.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */
 
#ifndef _LINUX_SYNC_FILE_H
#define _LINUX_SYNC_FILE_H
 
#include <linux/types.h>
#include <linux/ktime.h>
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/dma-fence.h>
#include <linux/dma-fence-array.h>
 
struct sync_file {
    struct file     *file;
    char            user_name[32];
#ifdef CONFIG_DEBUG_FS
    struct list_head    sync_file_list;
#endif
 
    wait_queue_head_t   wq;
    unsigned long       flags;
 
    struct dma_fence    *fence;
    struct dma_fence_cb cb;
};
 
#define POLL_ENABLED 0
 
struct sync_file *sync_file_create(struct dma_fence *fence);
struct dma_fence *sync_file_get_fence(int fd);
char *sync_file_get_name(struct sync_file *sync_file, char *buf, int len);
 
#endif /* _LINUX_SYNC_H */