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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2013-09-04 10:15:18 +0200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2013-09-04 10:39:34 +0200 |
| commit | 073f0240a4d1669d2271afc2d15de4ed6c6243a6 (patch) | |
| tree | a276850c5914497612a207be4ae150f7a2400a2b | |
| parent | 7ab222df40bc8251b5c3a7a19dfc9f7b0d4c8717 (diff) | |
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>
| -rw-r--r-- | man2/select.2 | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/man2/select.2 b/man2/select.2 index dfe58b7a..5323addf 100644 --- a/man2/select.2 +++ b/man2/select.2 @@ -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 |