diff options
| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2013-09-04 10:28:50 +0200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2013-09-04 10:39:34 +0200 |
| commit | 0d9101c43871b14e1a538bfc808e8e75bc1d23ab (patch) | |
| tree | 6d842859ffc1c185e47dc08d4bcdc824b85443ff | |
| parent | 82a6092b03a29af915f239ee5a8d11edbeea06bf (diff) | |
poll.2: Clarify wording of 'timeout' as a "minimum" interval
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
| -rw-r--r-- | man2/poll.2 | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/man2/poll.2 b/man2/poll.2 index 79be7c47..b0159d20 100644 --- a/man2/poll.2 +++ b/man2/poll.2 @@ -28,7 +28,7 @@ .\" 2006-07-01, mtk, Added POLLRDHUP + various other wording and .\" formatting changes. .\" -.TH POLL 2 2013-07-30 "Linux" "Linux Programmer's Manual" +.TH POLL 2 2013-09-04 "Linux" "Linux Programmer's Manual" .SH NAME poll, ppoll \- wait for some event on a file descriptor .SH SYNOPSIS @@ -122,12 +122,12 @@ blocks until one of the events occurs. The .I timeout -argument specifies the minimum number of milliseconds that +argument specifies the number of milliseconds that .BR poll () -will block. -(This interval will be rounded up to the system clock granularity, +should block waiting for a file descriptor to become ready. +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. Specifying a negative value in .I timeout means an infinite timeout. |