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select.2: RETURN VALUE: Fix discussion of treatment of file descriptor sets 

See http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=574370

Reported-by: Marc Lehmann <debian-reportbug@plan9.de>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2014-01-24 10:24:26 +01:00
parent 59c4210474
commit 8dc3367531
1 changed files with 5 additions and 4 deletions
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9
man2/select.2
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@ -35,7 +35,7 @@
.\" 2005-03-11, mtk, modified pselect() text (it is now a system
.\" call in 2.6.16.
.\"
.TH SELECT 2 2013-09-04 "Linux" "Linux Programmer's Manual"
.TH SELECT 2 2014-01-24 "Linux" "Linux Programmer's Manual"
.SH NAME
select, pselect, FD_CLR, FD_ISSET, FD_SET, FD_ZERO \-
synchronous I/O multiplexing
@ -299,10 +299,11 @@ descriptor sets (that is, the total number of bits that are set in
which may be zero if the timeout expires before anything interesting happens.
On error, \-1 is returned, and
.I errno
is set appropriately; the sets and
is set to indicate the error;
the file descriptor sets are unmodified,
and
.I timeout
become undefined, so do not
rely on their contents after an error.
becomes undefined.
.SH ERRORS
.TP
.B EBADF