[PATCH v3 1/4] proc_pid_fdinfo.5: Reduce indent for most of the page
Ian Rogers
irogers at google.com
Fri Nov 1 19:11:53 UTC 2024
When /proc/pid/fdinfo was part of proc.5 man page the indentation made
sense. As a standalone man page the indentation doesn't need to be so
far over to the right. Remove the initial tagged pragraph.
Suggested-by: G. Branden Robinson <g.branden.robinson at gmail.com>
Signed-off-by: Ian Rogers <irogers at google.com>
---
man/man5/proc_pid_fdinfo.5 | 52 ++++++++++++++++++--------------------
1 file changed, 25 insertions(+), 27 deletions(-)
diff --git a/man/man5/proc_pid_fdinfo.5 b/man/man5/proc_pid_fdinfo.5
index 1e23bbe02..87e6dbe56 100644
--- a/man/man5/proc_pid_fdinfo.5
+++ b/man/man5/proc_pid_fdinfo.5
@@ -8,18 +8,17 @@
.SH NAME
/proc/pid/fdinfo/ \- information about file descriptors
.SH DESCRIPTION
-.TP
-.IR /proc/ pid /fdinfo/ " (since Linux 2.6.22)"
-This is a subdirectory containing one entry for each file which the
+Since Linux 2.6.22,
+this is a subdirectory containing one entry for each file which the
process has open, named by its file descriptor.
The files in this directory are readable only by the owner of the process.
The contents of each file can be read to obtain information
about the corresponding file descriptor.
The content depends on the type of file referred to by the
corresponding file descriptor.
-.IP
+.P
For regular files and directories, we see something like:
-.IP
+.P
.in +4n
.EX
.RB "$" " cat /proc/12015/fdinfo/4"
@@ -28,7 +27,7 @@ flags: 01002002
mnt_id: 21
.EE
.in
-.IP
+.P
The fields are as follows:
.RS
.TP
@@ -51,7 +50,6 @@ this field incorrectly displayed the setting of
at the time the file was opened,
rather than the current setting of the close-on-exec flag.
.TP
-.I
.I mnt_id
This field, present since Linux 3.15,
.\" commit 49d063cb353265c3af701bab215ac438ca7df36d
@@ -59,13 +57,13 @@ is the ID of the mount containing this file.
See the description of
.IR /proc/ pid /mountinfo .
.RE
-.IP
+.P
For eventfd file descriptors (see
.BR eventfd (2)),
we see (since Linux 3.8)
.\" commit cbac5542d48127b546a23d816380a7926eee1c25
the following fields:
-.IP
+.P
.in +4n
.EX
pos: 0
@@ -74,16 +72,16 @@ mnt_id: 10
eventfd\-count: 40
.EE
.in
-.IP
+.P
.I eventfd\-count
is the current value of the eventfd counter, in hexadecimal.
-.IP
+.P
For epoll file descriptors (see
.BR epoll (7)),
we see (since Linux 3.8)
.\" commit 138d22b58696c506799f8de759804083ff9effae
the following fields:
-.IP
+.P
.in +4n
.EX
pos: 0
@@ -93,7 +91,7 @@ tfd: 9 events: 19 data: 74253d2500000009
tfd: 7 events: 19 data: 74253d2500000007
.EE
.in
-.IP
+.P
Each of the lines beginning
.I tfd
describes one of the file descriptors being monitored via
@@ -110,13 +108,13 @@ descriptor.
The
.I data
field is the data value associated with this file descriptor.
-.IP
+.P
For signalfd file descriptors (see
.BR signalfd (2)),
we see (since Linux 3.8)
.\" commit 138d22b58696c506799f8de759804083ff9effae
the following fields:
-.IP
+.P
.in +4n
.EX
pos: 0
@@ -125,7 +123,7 @@ mnt_id: 10
sigmask: 0000000000000006
.EE
.in
-.IP
+.P
.I sigmask
is the hexadecimal mask of signals that are accepted via this
signalfd file descriptor.
@@ -135,12 +133,12 @@ and
.BR SIGQUIT ;
see
.BR signal (7).)
-.IP
+.P
For inotify file descriptors (see
.BR inotify (7)),
we see (since Linux 3.8)
the following fields:
-.IP
+.P
.in +4n
.EX
pos: 0
@@ -150,7 +148,7 @@ inotify wd:2 ino:7ef82a sdev:800001 mask:800afff ignored_mask:0 fhandle\-bytes:8
inotify wd:1 ino:192627 sdev:800001 mask:800afff ignored_mask:0 fhandle\-bytes:8 fhandle\-type:1 f_handle:27261900802dfd73
.EE
.in
-.IP
+.P
Each of the lines beginning with "inotify" displays information about
one file or directory that is being monitored.
The fields in this line are as follows:
@@ -168,19 +166,19 @@ The ID of the device where the target file resides (in hexadecimal).
.I mask
The mask of events being monitored for the target file (in hexadecimal).
.RE
-.IP
+.P
If the kernel was built with exportfs support, the path to the target
file is exposed as a file handle, via three hexadecimal fields:
.IR fhandle\-bytes ,
.IR fhandle\-type ,
and
.IR f_handle .
-.IP
+.P
For fanotify file descriptors (see
.BR fanotify (7)),
we see (since Linux 3.8)
the following fields:
-.IP
+.P
.in +4n
.EX
pos: 0
@@ -190,7 +188,7 @@ fanotify flags:0 event\-flags:88002
fanotify ino:19264f sdev:800001 mflags:0 mask:1 ignored_mask:0 fhandle\-bytes:8 fhandle\-type:1 f_handle:4f261900a82dfd73
.EE
.in
-.IP
+.P
The fourth line displays information defined when the fanotify group
was created via
.BR fanotify_init (2):
@@ -210,7 +208,7 @@ argument given to
.BR fanotify_init (2)
(expressed in hexadecimal).
.RE
-.IP
+.P
Each additional line shown in the file contains information
about one of the marks in the fanotify group.
Most of these fields are as for inotify, except:
@@ -228,16 +226,16 @@ The events mask for this mark
The mask of events that are ignored for this mark
(expressed in hexadecimal).
.RE
-.IP
+.P
For details on these fields, see
.BR fanotify_mark (2).
-.IP
+.P
For timerfd file descriptors (see
.BR timerfd (2)),
we see (since Linux 3.17)
.\" commit af9c4957cf212ad9cf0bee34c95cb11de5426e85
the following fields:
-.IP
+.P
.in +4n
.EX
pos: 0
--
2.47.0.199.ga7371fff76-goog
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