renice xscreensaver to -20

3 files changed, 7 insertions, 3 deletions

diff --git a/.SRCINFO b/.SRCINFO
index d88b8c753559..75e94cc02baf 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = xscreensaver-oom-protect
 	pkgdesc = Protect xscreensaver from the out-of-memory killer
-	pkgver = 1.0.0
+	pkgver = 1.0.1
 	pkgrel = 1
 	arch = x86_64
 	license = custom:WTFPL
diff --git a/PKGBUILD b/PKGBUILD
index a588be22285b..667f084113dd 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,7 +1,7 @@
 # Maintainer: Alexander Kobel <a-kobel@a-kobel.de>
 
 pkgname=xscreensaver-oom-protect
-pkgver=1.0.0
+pkgver=1.0.1
 pkgrel=1
 pkgdesc="Protect xscreensaver from the out-of-memory killer"
 arch=('x86_64')
diff --git a/xscreensaver-oom-protect.c b/xscreensaver-oom-protect.c
index 389b09012288..476883502d38 100644
--- a/xscreensaver-oom-protect.c
+++ b/xscreensaver-oom-protect.c
@@ -28,11 +28,12 @@
 #include <stdlib.h>
 #include <string.h>
 #include <linux/oom.h>
+#include <sys/resource.h>
 
 int usage (char **argv) {
   fprintf (stderr,
            "Protect process <pid> from the OOM killer by setting its "
-           "oom_score_adj to %d.\n"
+           "oom_score_adj to %d and its nice value to -20.\n"
            "(TL;DR: try to avoid that an attacker types Alt+SysRq+F "
            "repeatedly and ends up\n"
            "with your logged-in session without the xscreensaver lock.)\n"
@@ -110,5 +111,8 @@ int main (int argc, char **argv) {
   fprintf (f, "%d", OOM_SCORE_ADJ_MIN);
   fclose (f);
 
+  if (setpriority (PRIO_PROCESS, pid, INT_MIN) != 0)
+    return errno;
+
   return 0;
 }