STRUCT
PIPE_INODE_IN(9) pipes API STRUCT PIPE_INODE_IN(9)
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;
struct page * tmp_page;
unsigned int readers;
unsigned int writers;
unsigned int waiting_writers;
unsigned int r_counter;
unsigned int w_counter;
struct fasync_struct * fasync_readers;
struct fasync_struct * fasync_writers;
struct inode * inode;
struct pipe_buffer bufs[PIPE_BUFFERS];
};
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
tmp_page
cached released page
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
fasync_readers
reader side fasync
fasync_writers
writer side fasync
inode
inode this pipe is attached to
bufs[PIPE_BUFFERS]
the circular array of pipe buffers
COPYRIGHT
Kernel Hackers Manual 2.6. July 2010 STRUCT PIPE_INODE_IN(9)
