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List: kwin
Subject: D7757: Use real-time scheduling policy for kwin_wayland
From: Martin_Flöser <noreply () phabricator ! kde ! org>
Date: 2017-09-10 13:47:08
Message-ID: 20170910134706.118080.538EEF0DC198CE10 () phabricator ! kde ! org
[Download RAW message or body]
graesslin added a comment.
In https://phabricator.kde.org/D7757#144415, @tcberner wrote:
> ^
> /home/Tobias/git/kwin/main_wayland.cpp:452:38: error: use of undeclared \
identifier 'SCHED_RESET_ON_FORK' > sched_setscheduler(0, SCHED_RR | \
SCHED_RESET_ON_FORK, &sp); > ^
>
>
> Yes, `SCHED_RESET_ON_FORK` is linux only:
> https://www.freebsd.org/cgi/man.cgi?query=sched_setscheduler
do you know whether there is an alternative for BSD? If not, I'll have to disable \
that feature on BSDs to not leak the real time scheduler to all child processes.
REPOSITORY
R108 KWin
REVISION DETAIL
https://phabricator.kde.org/D7757
To: graesslin, #kwin, #plasma
Cc: tcberner, plasma-devel, kwin, bwowk, ZrenBot, progwolff, lesliezhai, ali-mohamed, \
hardening, jensreuterberg, abetts, sebas, apol, mart
[Attachment #3 (unknown)]
<table><tr><td style="">graesslin added a comment.
</td><a style="text-decoration: none; padding: 4px 8px; margin: 0 8px 8px; float: \
right; color: #464C5C; font-weight: bold; border-radius: 3px; background-color: \
#F7F7F9; background-image: linear-gradient(to bottom,#fff,#f1f0f1); display: \
inline-block; border: 1px solid rgba(71,87,120,.2);" \
href="https://phabricator.kde.org/D7757" rel="noreferrer">View \
Revision</a></tr></table><br /><div><div><blockquote style="border-left: 3px solid \
#8C98B8; color: #6B748C;
font-style: italic;
margin: 4px 0 12px 0;
padding: 8px 12px;
background-color: #F8F9FC;">
<div style="font-style: normal;
padding-bottom: 4px;">In <a href="https://phabricator.kde.org/D7757#144415" \
style="background-color: #e7e7e7; border-color: #e7e7e7;
border-radius: 3px;
padding: 0 4px;
font-weight: bold;
color: black;text-decoration: none;" rel="noreferrer">D7757#144415</a>, <a \
href="https://phabricator.kde.org/p/tcberner/" style=" border-color: #f1f7ff;
color: #19558d;
background-color: #f1f7ff;
border: 1px solid transparent;
border-radius: 3px;
font-weight: bold;
padding: 0 4px;" rel="noreferrer">@tcberner</a> wrote:</div>
<div style="margin: 0;
padding: 0;
border: 0;
color: rgb(107, 116, 140);"><div class="remarkup-code-block" style="margin: \
12px 0;" data-code-lang="text" data-sigil="remarkup-code-block"><pre \
class="remarkup-code" style="font: 11px/15px "Menlo", "Consolas", \
"Monaco", monospace; padding: 12px; margin: 0; background: rgba(71, 87, \
120, 0.08);"> ^
/home/Tobias/git/kwin/main_wayland.cpp:452:38: error: use of undeclared identifier \
'SCHED_RESET_ON_FORK' sched_setscheduler(0, SCHED_RR | \
SCHED_RESET_ON_FORK, &sp); ^</pre></div>
<p>Yes, <tt style="background: #ebebeb; font-size: 13px;">SCHED_RESET_ON_FORK</tt> is \
linux only:<br /> <a \
href="https://www.freebsd.org/cgi/man.cgi?query=sched_setscheduler" \
class="remarkup-link" target="_blank" \
rel="noreferrer">https://www.freebsd.org/cgi/man.cgi?query=sched_setscheduler</a></p></div>
</blockquote>
<p>do you know whether there is an alternative for BSD? If not, I'll have to \
disable that feature on BSDs to not leak the real time scheduler to all child \
processes.</p></div></div><br /><div><strong>REPOSITORY</strong><div><div>R108 \
KWin</div></div></div><br /><div><strong>REVISION DETAIL</strong><div><a \
href="https://phabricator.kde.org/D7757" \
rel="noreferrer">https://phabricator.kde.org/D7757</a></div></div><br \
/><div><strong>To: </strong>graesslin, KWin, Plasma<br /><strong>Cc: \
</strong>tcberner, plasma-devel, kwin, bwowk, ZrenBot, progwolff, lesliezhai, \
ali-mohamed, hardening, jensreuterberg, abetts, sebas, apol, mart<br /></div>
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