move files to src; add README.txt

1 files changed, 0 insertions, 154 deletions

diff --git a/sliceweasel.lib.sh b/sliceweasel.lib.sh
deleted file mode 100755
index 549e1e8..0000000
--- a/sliceweasel.lib.sh
+++ /dev/null
@@ -1,154 +0,0 @@
-#!/bin/sh
-die()
-{
-    printf '%s: Error: %s\n' "$0" "$*" >&2
-    exit 1
-}
-
-get_age()
-{
-    local mtime now
-    mtime=$(stat --format=%Y "$1") || return
-    now=$(date +%s) || return
-    echo $(( now - mtime ))
-}
-
-get_filesystem()
-{
-    echo /
-}
-
-get_total_memory()
-{
-    free -b | {
-        read _
-        read _ total _
-        echo $total
-    }
-}
-
-math()
-{
-    printf '%s\n' "$*" | bc -lq
-}
-
-get_total_io()
-{
-    results=$IO_ROOT_DIR/io.test.result
-    zeroes=$IO_ROOT_DIR/io.test
-    if [ -e "$results" ]
-    then
-        age=$(get_age "$results") || return
-        if [ "$age" -gt $((60 * 60 * 24 * 7)) ]
-        then
-            rm "$results"
-        fi
-    fi
-
-    if ! [ -e "$results" ]
-    then
-        MEGS=128
-        then=$(date +%s.%N) || return
-        dd if=/dev/zero of="$zeroes" bs=${MEGS}M count=1 || return
-        now=$(date +%s.%N) || return
-        rm "$zeroes"
-        speed=$(math $now - $then / $((MEGS * 1024 * 1024))) || return
-        echo $speed > "$results"
-    fi
-    read total < "$results" || return
-    echo ${total%.*}
-}
-
-root_write()
-{
-    $AS_ROOT sh -c 'cat > "$1"' sh "$1" || true
-}
-
-join_group()
-{
-    GROUP_DIR="$1"
-    [ -d "$GROUP_DIR" ] || $AS_ROOT mkdir "$GROUP_DIR"
-    echo $$ | root_write "$GROUP_DIR"/cgroup.procs
-}
-
-add_subtree_controller()
-{
-    local group="$1" controller="$2" control_file
-    control_file="$group/cgroup.subtree_control"
-
-    [ "$group" ] && [ "$controller" ] && [ -d "$group" ] && [ -e "$control_file" ] || return
-
-    case "$group" in
-        /sys/fs/cgroup) ;;
-        *) add_subtree_controller "$(realpath "$group/..")" "$2" ;;
-    esac
-
-    if ! grep -qe "\\b${controller}\\b" "$control_file"
-    then
-        echo +"$controller" | root_write "$control_file"
-    fi
-}
-
-set_max()
-{
-    max_file=$group/$2.max
-    if [ ! -e "$max_file" ]
-    then
-        add_subtree_controller "$1"/.. "$2"
-        [ -e "$max_file" ] || return
-    fi
-    printf '%s\n' "$3" | root_write "$max_file"
-}
-
-set_max_ratio()
-{
-    local group="$1" controller="$2" ratio="$3" limit
-    total=$(get_total_$controller)
-    n=${ratio%%/*}
-    d=${ratio#$n/}
-    [ "$d" = "${d%/*}" ] || return
-    limit=$(( total * n / d ))
-    [ "$limit" ] || return
-    [ "$limit" -gt 0 ] || return
-    case "$controller" in
-        io)
-            fsroot=$(get_filesystem "$IO_ROOT_DIR") || return
-            # TODO: Do not use lsblk, because it fails to report the correct
-            # MOUNTPOINT when a bind mount is present.
-            majmin=$(lsblk -o 'MOUNTPOINT,MAJ:MIN' | sed -ne "s?^$fsroot  *??p") || return
-            case "$majmin" in
-                *:*) ;;
-                *) echo "Error: majmin=$majmin" >&2; return 1 ;;
-            esac
-            set_max "$group" "$controller" "$majmin wbps=$limit rbps=$limit"
-        ;;
-        *) set_max "$group" "$controller" "$limit"
-    esac
-}
-
-get_uid()
-{
-    (
-        if [ "$SUDO_USER" ]
-        then
-            IFS=:
-            set -- $(getent passwd "${SUDO_USER}") || return
-            echo $3
-        else
-            id -u
-        fi
-    )
-}
-
-get_firefox_cgroup_procs()
-{
-    uid=$(get_uid)
-    [ "$uid" ] || return
-    echo /sys/fs/cgroup/user.slice/user-$uid.slice/user@$uid.service/app.slice/firefox.service/cgroup.procs
-}
-
-get_current_group()
-{
-    read g < /proc/$$/cgroup
-    echo /sys/fs/cgroup/${g#0::/}
-}