android-w.song.android.widget

				# coprocess.bash				#				# vi:set sts=2 sw=2 ai:				#								coprocess_pid=								#				# coprocess - Start, control, and end coprocesses.				#				function coprocess ()				{				  while (( $# > 0 )) ; do				    case "$1" in				      #				      # coprocess close				      #				      c|cl|clo|clos|close)					shift					exec 61>&- 62					coprocess_pid=					if [ "$1" = "-SIGPIPE" ] ; then					  # Only print message in an interactive shell					  case "$-" in					    *i*)					      echo 'SIGPIPE' >&2					      ;;					  esac					  return 1					fi					return 0					;;								      #				      # coprocess open				      #				      o|op|ope|open)					shift					local fifo="/var/tmp/coprocess.$$.$RANDOM"									local cmd="/bin/bash"					if (( $# > 0 )) ; then					  cmd="$@"					fi									mkfifo "$fifo.in" || return $?					mkfifo "$fifo.out" || {					  ret=$?					  rm -f "$fifo.in"					  return $?					}									( "$@" $fifo.out ; rm -f "$fifo.in" "$fifo.out" ) &					coprocess_pid=$!					exec 61>$fifo.in 62					return 0					;;								      #				      # coprocess print - write to the coprocess				      #				      p|pr|pri|prin|print)					shift					local old_trap=$(trap -p SIGPIPE)					trap 'coprocess close -SIGPIPE' SIGPIPE					if [ $# -eq 1 ] && [ "$1" = "--stdin" ] ; then					  cat >&61					else					  echo "$@" >&61					fi					local ret=$?					eval "$old_trap"					return $ret					;;								      #				      # coprocess read - read from the coprocess				      #				      r|re|rea|read)					shift					local old_trap=$(trap -p SIGPIPE)					trap '_coprocess_close -SIGPIPE' SIGPIPE					builtin read "$@" 					local ret=$?					eval "$old_trap"					return $ret					;;								      s|st|sta|stat|statu|status)					if [ -z "$coprocess_pid" ] ; then					  echo 'no active coprocess'					  return 1					else					  echo "  coprocess is active [$coprocess_pid]"					  return 0					fi					;;								      *)					coprocess print "$@"					return $?					;;				    esac				    shift				  done				  coprocess status				  return $?				}