diff options
Diffstat (limited to 'libc/kernel/common/linux/relay.h')
-rw-r--r-- | libc/kernel/common/linux/relay.h | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/libc/kernel/common/linux/relay.h b/libc/kernel/common/linux/relay.h deleted file mode 100644 index 09f7219..0000000 --- a/libc/kernel/common/linux/relay.h +++ /dev/null @@ -1,91 +0,0 @@ -/**************************************************************************** - **************************************************************************** - *** - *** 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. - *** - **************************************************************************** - ****************************************************************************/ -#ifndef _LINUX_RELAY_H -#define _LINUX_RELAY_H - -#include <linux/types.h> -#include <linux/sched.h> -#include <linux/wait.h> -#include <linux/list.h> -#include <linux/fs.h> -#include <linux/poll.h> -#include <linux/kref.h> - -#define FIX_SIZE(x) ((((x) - 1) & PAGE_MASK) + PAGE_SIZE) - -#define RELAYFS_CHANNEL_VERSION 6 - -struct rchan_buf -{ - void *start; - void *data; - size_t offset; - size_t subbufs_produced; - size_t subbufs_consumed; - struct rchan *chan; - wait_queue_head_t read_wait; - struct work_struct wake_readers; - struct dentry *dentry; - struct kref kref; - struct page **page_array; - unsigned int page_count; - unsigned int finalized; - size_t *padding; - size_t prev_padding; - size_t bytes_consumed; - unsigned int cpu; -} ____cacheline_aligned; - -struct rchan -{ - u32 version; - size_t subbuf_size; - size_t n_subbufs; - size_t alloc_size; - struct rchan_callbacks *cb; - struct kref kref; - void *private_data; - size_t last_toobig; - struct rchan_buf *buf[NR_CPUS]; -}; - -struct rchan_callbacks -{ - - int (*subbuf_start) (struct rchan_buf *buf, - void *subbuf, - void *prev_subbuf, - size_t prev_padding); - - void (*buf_mapped)(struct rchan_buf *buf, - struct file *filp); - - void (*buf_unmapped)(struct rchan_buf *buf, - struct file *filp); - - struct dentry *(*create_buf_file)(const char *filename, - struct dentry *parent, - int mode, - struct rchan_buf *buf, - int *is_global); - - int (*remove_buf_file)(struct dentry *dentry); -}; - -struct rchan *relay_open(const char *base_filename, - struct dentry *parent, - size_t subbuf_size, - size_t n_subbufs, - struct rchan_callbacks *cb); - -#endif - |