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seccomp.2: Add some details for SECCOMP_FILTER_FLAG_NEW_LISTENER 

Rework the description a little, and note that the close-on-exec
flag is set for the returned file descriptor.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2020-09-26 22:48:44 +02:00
parent d7a3918456
commit b723c6d8dd
1 changed files with 3 additions and 2 deletions
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man2/seccomp.2
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@ -219,8 +219,9 @@ file.
.TP
.BR SECCOMP_FILTER_FLAG_NEW_LISTENER " (since Linux 5.0)"
.\" commit 6a21cc50f0c7f87dae5259f6cfefe024412313f6
With this flag,
a new user-space notification file descriptor is returned on success.
After successfully installing the filter program,
return a new user-space notification file descriptor.
(The close-on-exec flag is set for the file descriptor.)
When the filter returns
.BR SECCOMP_RET_USER_NOTIF
a notification will be sent to this file descriptor.