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select.2: Clarify wording of 'timeout' as a "minimum" interval 

Reported-by: G.raud <graud@gmx.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2013-09-04 10:15:18 +02:00
parent 7ab222df40
commit 073f0240a4
1 changed files with 4 additions and 4 deletions
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8
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 2012-08-17 "Linux" "Linux Programmer's Manual"
.TH SELECT 2 2013-09-04 "Linux" "Linux Programmer's Manual"
.SH NAME
select, pselect, FD_CLR, FD_ISSET, FD_SET, FD_ZERO \-
synchronous I/O multiplexing
@ -159,12 +159,12 @@ is the highest-numbered file descriptor in any of the three sets, plus 1.
.PP
The
.I timeout
argument specifies the minimum interval that
argument specifies the interval that
.BR select ()
should block waiting for a file descriptor to become ready.
(This interval will be rounded up to the system clock granularity,
This interval will be rounded up to the system clock granularity,
and kernel scheduling delays mean that the blocking interval
may overrun by a small amount.)
may overrun by a small amount.
If both fields of the
.I timeval
structure are zero, then