new firefox launcher: firestart

2 files changed, 31 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index d67b257..7cb92ae 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 BINDIR = /usr/local/bin
-BINARIES = sliceweasel sliceweasel.lib.sh sliceuser fireslay ioslay-firefox cgroup-show-each-new-process ioslay-mgr.sh
+BINARIES = sliceweasel sliceweasel.lib.sh sliceuser fireslay ioslay-firefox cgroup-show-each-new-process ioslay-mgr.sh firestart
 SUDO != [ "$$(id -u)" = 0 ] || echo sudo
 
 .PHONY: install install-bin
diff --git a/firestart b/firestart
new file mode 100755
index 0000000..5be6d02
--- /dev/null
+++ b/firestart
@@ -0,0 +1,30 @@
+#!/bin/sh
+
+CMD=firefox
+UNIT=$CMD
+DIR=~/.mozilla
+MEMORY_MAX=50%
+READ_OPS=1G
+WRITE_OPS=$READ_OPS
+
+if systemctl --user is-active "$UNIT" >/dev/null
+then
+    exec "$CMD" "$@"
+    exit
+fi
+
+DEV=$(echo $(findmnt --target "$DIR" -o MAJ:MIN -n))
+[ "$DEV" ] || exit
+
+systemctl --user reset-failed "$UNIT" 2>/dev/null
+systemd-run --user \
+            --unit="$UNIT" \
+            --setenv=DISPLAY="$DISPLAY" \
+            --setenv=XAUTHORITY="$XAUTHORITY" \
+            --property=MemoryMax="$MEMORY_MAX" \
+            --property=IOReadIOPSMax="$DEV $READ_OPS" \
+            --property=IOWriteIOPSMax="$DEV $WRITE_OPS" \
+            --property=IOWriteIOPSMax="$DEV $WRITE_OPS" \
+            --property=Restart="on-failure" \
+            -- \
+            "$CMD" "$@"