Merge fix for bug 11122.

fi

AC_SUBST(ICHECK)

# Lock for PS

# Look for PS usage.  We use double dollar-signs in FIND_PROC because this

# value is written to a makefile, which interprets away one level of

# dollar-signs.  So, interpretation stages are  m4 and then shell in autoconf,

# then Make, then shell.

AC_PATH_PROG(PS, ps, ps)

AC_MSG_CHECKING("how to check if pid exists")

PS=$ac_cv_path_PS

# Linux style

if $PS p $$ 2> /dev/null | grep `echo $0 | sed s/\-//` > /dev/null

if $PS wwwp $$ 2> /dev/null | grep -- "$0" > /dev/null

then

  FIND_PROC="$PS p \$\$PID | grep -v grep | grep \$\$MYSQLD > /dev/null"

  FIND_PROC="$PS wwwp \$\$PID | grep -v ' grep' | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" > /dev/null"

# Solaris

elif $PS -fp $$ 2> /dev/null | grep $0 > /dev/null

elif $PS -fp $$ 2> /dev/null | grep -- $0 > /dev/null

then

  FIND_PROC="$PS -p \$\$PID | grep -v grep | grep \$\$MYSQLD > /dev/null"

  FIND_PROC="$PS -p \$\$PID | grep -v ' grep' | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" > /dev/null"

# BSD style

elif $PS -uaxww 2> /dev/null | grep $0 > /dev/null

elif $PS -uaxww 2> /dev/null | grep -- $0 > /dev/null

then

  FIND_PROC="$PS -uaxww | grep -v grep | grep \$\$MYSQLD | grep \" \$\$PID \" > /dev/null"

  FIND_PROC="$PS -uaxww | grep -v ' grep' | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" | grep \" \$\$PID \" > /dev/null"

# SysV style

elif $PS -ef 2> /dev/null | grep $0 > /dev/null

elif $PS -ef 2> /dev/null | grep -- $0 > /dev/null

then

  FIND_PROC="$PS -ef | grep -v grep | grep \$\$MYSQLD | grep \" \$\$PID \" > /dev/null"

  FIND_PROC="$PS -ef | grep -v ' grep' | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" | grep \" \$\$PID \" > /dev/null"

# Do anybody use this?

elif $PS $$ 2> /dev/null | grep $0 > /dev/null

elif $PS $$ 2> /dev/null | grep -- $0 > /dev/null

then

  FIND_PROC="$PS \$\$PID | grep -v grep | grep \$\$MYSQLD > /dev/null"

  FIND_PROC="$PS \$\$PID | grep -v ' grep' | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" > /dev/null"

else

  case $SYSTEM_TYPE in

    *freebsd*|*dragonfly*)

      FIND_PROC="$PS p \$\$PID | grep -v grep | grep \$\$MYSQLD > /dev/null"

      FIND_PROC="$PS p \$\$PID | grep -v ' grep' | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" > /dev/null"

      ;;

    *darwin*)

      FIND_PROC="$PS -uaxww | grep -v grep | grep \$\$MYSQLD | grep \" \$\$PID \" > /dev/null"

      FIND_PROC="$PS -uaxww | grep -v ' grep' | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" | grep \" \$\$PID \" > /dev/null"

      ;;

    *cygwin*)

      FIND_PROC="$PS -e | grep -v grep | grep \$\$MYSQLD | grep \" \$\$PID \" > /dev/null"

      FIND_PROC="$PS -e | grep -v ' grep' | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" | grep \" \$\$PID \" > /dev/null"

      ;;

    *netware*)

      FIND_PROC=

      ;;

    *)

      AC_MSG_ERROR([Could not find the right ps switches. Which OS is this ?. See the Installation chapter in the Reference Manual.])

      AC_MSG_ERROR([Could not find the right ps and/or grep switches. Which OS is this?  See the Installation chapter in the Reference Manual.])

  esac

fi

AC_SUBST(FIND_PROC)