Attachment 243398 Details for Bug 272511 – v1 (apply via "git am")

[patch] v1 (apply via "git am")

bug272511.diff (text/plain), 2.39 KB, created by Jan Beich on 2023-07-15 08:04:41 UTC

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Creator: Jan Beich

Created: 2023-07-15 08:04:41 UTC

Size: 2.39 KB

patch

obsolete

>From 71cefb0754ca71383692bc3190e79681393ebcd0 Mon Sep 17 00:00:00 2001
>From: Jan Beich <jbeich@FreeBSD.org>
>Date: Sat, 15 Jul 2023 07:36:17 +0000
>Subject: [PATCH] x11-wm/plasma5-kwin: support mac_priority(4) on Wayland
>
>PR:		272511
>Approved by:	?
>---
> x11-wm/plasma5-kwin/Makefile                  |  1 +
> .../files/patch-src_utils_realtime.cpp        | 35 +++++++++++++++++++
> x11-wm/plasma5-kwin/pkg-message               |  8 +++++
> 3 files changed, 44 insertions(+)
> create mode 100644 x11-wm/plasma5-kwin/files/patch-src_utils_realtime.cpp
> create mode 100644 x11-wm/plasma5-kwin/pkg-message
>
>diff --git a/x11-wm/plasma5-kwin/Makefile b/x11-wm/plasma5-kwin/Makefile
>index 6d3853a76212..60ff9205cba9 100644
>--- a/x11-wm/plasma5-kwin/Makefile
>+++ b/x11-wm/plasma5-kwin/Makefile
>@@ -1,5 +1,6 @@
> PORTNAME=	kwin
> DISTVERSION=	${KDE_PLASMA_VERSION}
>+PORTREVISION=	1
> CATEGORIES=	x11-wm kde kde-plasma
> 
> MAINTAINER=	kde@FreeBSD.org
>diff --git a/x11-wm/plasma5-kwin/files/patch-src_utils_realtime.cpp b/x11-wm/plasma5-kwin/files/patch-src_utils_realtime.cpp
>new file mode 100644
>index 000000000000..48efbb08a1c0
>--- /dev/null
>+++ b/x11-wm/plasma5-kwin/files/patch-src_utils_realtime.cpp
>@@ -0,0 +1,35 @@
>+- Emulate SCHED_RESET_ON_FORK via pthread_atfork
>+- Switch to pthread_setschedparam as Linux sched_setscheduler
>+  operates on threads contrary to POSIX
>+
>+--- src/utils/realtime.cpp.orig	2023-06-20 13:32:36 UTC
>++++ src/utils/realtime.cpp
>+@@ -8,19 +8,24 @@
>+ 
>+ #include "config-kwin.h"
>+ 
>+-#include <sched.h>
>++#include <pthread.h>
>+ 
>+ namespace KWin
>+ {
>+ 
>+ void gainRealTime()
>+ {
>+-#if HAVE_SCHED_RESET_ON_FORK
>+     const int minPriority = sched_get_priority_min(SCHED_RR);
>+     sched_param sp;
>+     sp.sched_priority = minPriority;
>+-    sched_setscheduler(0, SCHED_RR | SCHED_RESET_ON_FORK, &sp);
>+-#endif
>++    if (pthread_setschedparam(pthread_self(), SCHED_RR, &sp))
>++        return;
>++
>++    pthread_atfork(NULL, NULL, []() {
>++        sched_param sp;
>++        sp.sched_priority = 0;
>++        pthread_setschedparam(pthread_self(), SCHED_OTHER, &sp);
>++    });
>+ }
>+ 
>+ } // namespace KWin
>diff --git a/x11-wm/plasma5-kwin/pkg-message b/x11-wm/plasma5-kwin/pkg-message
>new file mode 100644
>index 000000000000..df793f16184b
>--- /dev/null
>+++ b/x11-wm/plasma5-kwin/pkg-message
>@@ -0,0 +1,8 @@
>+[
>+{ type: install
>+  message: <<EOM
>+Notes:
>+- kwin_wayland can use mac_priority(4) to avoid stutter during high load
>+EOM
>+}
>+]

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