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seccomp_unotify.2: srcfix: Add a further FIXME relating to SA_RESTART behavior 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2020-10-26 10:45:24 +01:00
parent 191350e602
commit b183b6503c
1 changed files with 9 additions and 0 deletions
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9
man2/seccomp_unotify.2
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@ -768,6 +768,15 @@ flag.
.\" I mean, it's not like seccomp doesn't already expose weirdness with
.\" syscall restarts. Not even arm64 compat agrees[3] with arm32 in this
.\" regard. :(
.
.\" FIXME
.\" Michael Kerrisk:
.\" I wonder about the effect of this oddity for system calls that
.\" are normally nonrestartable because they have timeouts. My
.\" understanding is that the kernel doesn't restart those system
.\" calls because it's impossible for the kernel to restart the call
.\" with the right timeout value. I wonder what happens when those
.\" system calls are restarted in the scenario we're discussing.)
.SH BUGS
If a
.BR SECCOMP_IOCTL_NOTIF_RECV