#!/bin/bash

PATH=/usr/local/sbin:/usr/local/bin:$PATH

TIMEOUT=2           # wait timeout for X server start
let INTEL_IF_FAIL=1 # run on Intel if nVidia fails

LOCK_FILE=/tmp/.snail.lock
FIFO_FILE=/tmp/.snail.fifo

{
  flock -w 0 -s 9
  if [ 0 -ne $? ]; then
    (nohup echo -n > $FIFO_FILE &>/dev/null)&
    flock -w $TIMEOUT -s 9
  fi

  if [ 0 -eq $? ]; then
    echo "Running $@ on nVidia"
    export LD_LIBRARY_PATH=/usr/lib/snail
    LD_PRELOAD="/usr/lib/snail/lib32/libGL.so.1 /usr/lib/snail/lib32/libnvidia-tls.so /usr/lib/snail/lib32/libnvidia-core.so" \
    snail.vglrun -d :8293 "$@" 2>/dev/null
    echo "Application $@ was performed on nVidia"

  elif [ 0 -ne $INTEL_IF_FAIL ]; then
    echo "Failed to run $@ on nVidia ;-("
    # echo "Running $@ on Intel"
    # "$@"
    # echo "Application $@ was performed on Intel"
  fi

  flock -u 9

} 9>$LOCK_FILE