sysstat.in

linux下查看系统工具原码,如IOSTAT等

#!/bin/sh
#
# Author: [e-mail]
# Die Okt 12 10:05:41 EDT 1999
#
# Modified by:
# 1999/11/07 - Sebastien Godard <[e-mail]>
#	Now use '-d' option when starting sar.
# 2000/01/22 - Sebastien Godard <[e-mail]>
#	Rewritten from scratch. Call sadc instead of sar.
# 2004/10/10 - Sebastien Godard (sysstat <at> wanadoo.fr)
#	Now returns real exit code.
#
# INIT_DIR/sysstat
#

RETVAL=0
# Remove flag indicating that sadc was successfully launched
rm -f /tmp/sysstat.run

# See how we were called.
case "$1" in
  start)
        echo -n "Calling the system activity data collector (sadc): "
        SU SA_LIB_DIR/sadc -F -L - && touch /tmp/sysstat.run QUOTE

# Try to guess if sadc was successfully launched. The difficulty
# here is that the exit code is lost when the above command is
# run via "su foo -c ..."
	if [ ! -f /tmp/sysstat.run ]; then
		RETVAL=1
	else
		rm -f /tmp/sysstat.run
	fi
        echo
        ;;
  stop|status|restart|reload)
        ;;
  *)
        echo "Usage: sysstat {start|stop|status|restart|reload}"
        exit 1
esac
exit ${RETVAL}