Signed-off-by: Cyrill Gorcunov <gorcunov@xxxxxxxxxx> --- man5/proc.5 | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/man5/proc.5 b/man5/proc.5 index c1e01db..b177bab 100644 --- a/man5/proc.5 +++ b/man5/proc.5 @@ -349,6 +349,49 @@ field is an octal number that displays the file access mode and file status flags (see .BR open (2)). +The files such as +.BR eventfd (2), +.BR signalfd (2), +.BR epoll (2) +among regular +.I pos +and +.I flags +fields pair provide additional information specific to the objects +they represent (only additional fields are posted here): +.in +4n +.nf + +.RB "" "eventfd files" +eventfd-count: 5a + +.RB "" "signalfd files" +sigmask: 0000000000000200 + +.RB "" "epoll files" +tfd: 5 events: 1d data: ffffffffffffffff + +.fi +.in + +All fields except +.IR tfd +are provided in hex format. + +Former idea of providing additional data was to give user space applications +enough information to recreate (or, more precisely, to restore) these objects +using appropriate library or system calls. + +.IR eventfd-count +and +.IR sigmask +represent values of counter and signal mask associated with appropriate files. + +.IR tfd, +.IR events, +.IR data +represent file descriptor number, event mask and data associated with epoll file. + The files in this directory are readable only by the owner of the process. .\" FIXME document /proc/[pid]/io .\" .TP -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
