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perf_event_open.2: Minor clarification to close-on-exec text 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2014-04-10 21:54:25 +02:00
parent accec05152
commit a61dba3485
1 changed files with 2 additions and 0 deletions
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man2/perf_event_open.2
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@ -141,6 +141,8 @@ Setting the close-on-exec flags at creation time, rather than later with
.BR fcntl (2), .BR fcntl (2),
avoids potential race conditions where the calling thread invokes avoids potential race conditions where the calling thread invokes
.BR perf_event_open () .BR perf_event_open ()
and
.BR fcntl (2)
at the same time as another thread calls at the same time as another thread calls
.BR fork (2) .BR fork (2)
then then