/usr/arm-linux-androideabi/include/linux/relay.h is in gcc-arm-linux-androideabi 0.20130705.1-0ubuntu7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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****************************************************************************
***
*** This header was automatically generated from a Linux kernel header
*** of the same name, to make information necessary for userspace to
*** call into the kernel available to libc. It contains only constants,
*** structures, and macros generated from the original header, and thus,
*** contains no copyrightable information.
***
*** To edit the content of this header, modify the corresponding
*** source file (e.g. under external/kernel-headers/original/) then
*** run bionic/libc/kernel/tools/update_all.py
***
*** Any manual change here will be lost the next time this script will
*** be run. You've been warned!
***
****************************************************************************
****************************************************************************/
#ifndef _LINUX_RELAY_H
#define _LINUX_RELAY_H
#include <linux/types.h>
#include <linux/sched.h>
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
#include <linux/wait.h>
#include <linux/list.h>
#include <linux/fs.h>
#include <linux/poll.h>
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
#include <linux/kref.h>
#define FIX_SIZE(x) ((((x) - 1) & PAGE_MASK) + PAGE_SIZE)
#define RELAYFS_CHANNEL_VERSION 6
struct rchan_buf
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
{
void *start;
void *data;
size_t offset;
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
size_t subbufs_produced;
size_t subbufs_consumed;
struct rchan *chan;
wait_queue_head_t read_wait;
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
struct work_struct wake_readers;
struct dentry *dentry;
struct kref kref;
struct page **page_array;
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
unsigned int page_count;
unsigned int finalized;
size_t *padding;
size_t prev_padding;
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
size_t bytes_consumed;
unsigned int cpu;
} ____cacheline_aligned;
struct rchan
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
{
u32 version;
size_t subbuf_size;
size_t n_subbufs;
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
size_t alloc_size;
struct rchan_callbacks *cb;
struct kref kref;
void *private_data;
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
size_t last_toobig;
struct rchan_buf *buf[NR_CPUS];
};
struct rchan_callbacks
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
{
int (*subbuf_start) (struct rchan_buf *buf,
void *subbuf,
void *prev_subbuf,
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
size_t prev_padding);
void (*buf_mapped)(struct rchan_buf *buf,
struct file *filp);
void (*buf_unmapped)(struct rchan_buf *buf,
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
struct file *filp);
struct dentry *(*create_buf_file)(const char *filename,
struct dentry *parent,
int mode,
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
struct rchan_buf *buf,
int *is_global);
int (*remove_buf_file)(struct dentry *dentry);
};
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
struct rchan *relay_open(const char *base_filename,
struct dentry *parent,
size_t subbuf_size,
size_t n_subbufs,
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
struct rchan_callbacks *cb);
#endif
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