struct_pipe_inode_info

Langue: en

Version: October 2010 (fedora - 01/12/10)

Section: 9 (Appels noyau Linux)

NAME

struct_pipe_inode_info - a linux kernel pipe

SYNOPSIS

 struct pipe_inode_info {
   wait_queue_head_t wait;
   unsigned int nrbufs;
   unsigned int curbuf;
   unsigned int readers;
   unsigned int writers;
   unsigned int waiting_writers;
   unsigned int r_counter;
   unsigned int w_counter;
   struct page * tmp_page;
   struct fasync_struct * fasync_readers;
   struct fasync_struct * fasync_writers;
   struct inode * inode;
   struct pipe_buffer * bufs;
 };  
 

MEMBERS

wait

reader/writer wait point in case of empty/full pipe

nrbufs

the number of non-empty pipe buffers in this pipe

curbuf

the current pipe buffer entry

readers

number of current readers of this pipe

writers

number of current writers of this pipe

waiting_writers

number of writers blocked waiting for room

r_counter

reader counter

w_counter

writer counter

tmp_page

cached released page

fasync_readers

reader side fasync

fasync_writers

writer side fasync

inode

inode this pipe is attached to

bufs

the circular array of pipe buffers