1STRUCT PIPE_INODE_IN(9)            pipes API           STRUCT PIPE_INODE_IN(9)
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NAME

6       struct_pipe_inode_info - a linux kernel pipe
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SYNOPSIS

9       struct pipe_inode_info {
10         wait_queue_head_t wait;
11         unsigned int nrbufs;
12         unsigned int curbuf;
13         unsigned int readers;
14         unsigned int writers;
15         unsigned int waiting_writers;
16         unsigned int r_counter;
17         unsigned int w_counter;
18         struct page * tmp_page;
19         struct fasync_struct * fasync_readers;
20         struct fasync_struct * fasync_writers;
21         struct inode * inode;
22         struct pipe_buffer * bufs;
23       };
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MEMBERS

26       wait
27           reader/writer wait point in case of empty/full pipe
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29       nrbufs
30           the number of non-empty pipe buffers in this pipe
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32       curbuf
33           the current pipe buffer entry
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35       readers
36           number of current readers of this pipe
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38       writers
39           number of current writers of this pipe
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41       waiting_writers
42           number of writers blocked waiting for room
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44       r_counter
45           reader counter
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47       w_counter
48           writer counter
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50       tmp_page
51           cached released page
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53       fasync_readers
54           reader side fasync
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56       fasync_writers
57           writer side fasync
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59       inode
60           inode this pipe is attached to
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62       bufs
63           the circular array of pipe buffers
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66Kernel Hackers Manual 2.6.       November 2011         STRUCT PIPE_INODE_IN(9)
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