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Create systemd cgroup if not present #16

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Create systemd cgroup if not present #16

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794b827
Create systemd cgroup if not present
TanyaEleventhGoddess Jun 28, 2020
0b62908
Restrict removal to cgroup mountpoints created by these scripts
TanyaEleventhGoddess Jun 29, 2020
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10 changes: 10 additions & 0 deletions cgroupfs-mount
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,16 @@ for sys in $(awk '!/^#/ { if ($4 == 1) print $1 }' /proc/cgroups); do
fi
done

# Create systemd cgroup if not present
# https://bugs.devuan.org/426
# https://bugs.debian.org/939435
mkdir -p systemd
if ! mountpoint -q systemd; then
if ! mount -n -t cgroup -o none,name=systemd cgroup systemd; then
rmdir systemd || true
fi
fi

# example /proc/cgroups:
# #subsys_name hierarchy num_cgroups enabled
# cpuset 2 3 1
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13 changes: 8 additions & 5 deletions cgroupfs-umount
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Original file line number Diff line number Diff line change
Expand Up @@ -20,11 +20,14 @@ fi
cd /sys/fs/cgroup

for sys in *; do
if mountpoint -q $sys; then
umount $sys
fi
if [ -d $sys ]; then
rmdir $sys || true
# Solves https://bugs.debian.org/950986
if grep -q $sys /proc/cgroups 2>/dev/null || [ $sys = 'systemd' ]; then
if mountpoint -q $sys; then
umount $sys
fi
if [ -d $sys ]; then
rmdir $sys || true
fi
fi
done

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