scripts/coccicheck - pub/scm/linux/kernel/git/mcgrof/linux-next - Git at Google

 #!/bin/bash
 # Linux kernel coccicheck
 #
 # For more detailed documentation refer to:
 #
 # https://bottest.wiki.kernel.org/coccicheck
 #
 # This documentation always refers to the linux-next version of the script.
 #
 # This script requires at least spatch
 # version 1.0.0-rc11.

 DIR="$(dirname $(readlink -f $0))/.."
 SPATCH="`which ${SPATCH:=spatch}`"

 srctree="$(readlink -f $srctree)/"
 if [ "$KBUILD_EXTMOD" != "" ] ; then
     if [ -d "$KBUILD_EXTMOD" ]; then
         KBUILD_EXTMOD="$(readlink -f $KBUILD_EXTMOD)/"
     fi
 fi

 if [ ! -x "$SPATCH" ]; then
     echo 'spatch is part of the Coccinelle project and is available at http://coccinelle.lip6.fr/'
     exit 1
 fi
 SPATCH_VERSION=$($SPATCH --version | head -1 | awk '{print $3}')
 SPATCH_VERSION_NUM=$(echo $SPATCH_VERSION | ${DIR}/scripts/ld-version.sh)

 USE_JOBS="no"
 $SPATCH --help | grep "\-\-jobs" > /dev/null && USE_JOBS="yes"

 function can_use_glimpse()
 {
 	$SPATCH --help | grep "\-\-use\-glimpse" > /dev/null
 	if [ $? -ne 0 ]; then
 		echo "no"
 		return
 	fi
 	if [ ! -f $DIR/.glimpse_index ]; then
 		echo "no"
 		return
 	fi

 	# As of coccinelle 1.0.5 --use-glimpse cannot be used with M= other
 	# than the base directory. We expect a future release will let us
 	# specify the full path of the glimpse index but even if that's
 	# supported, glimpse use seems to require an index per every
 	# directory parsed, so you'd have to generate a glimpse index
 	# per directory. If M=path is used (where epath is not the top level)
 	# we'll have to fallback to alternatives then.
 	if [ "$KBUILD_EXTMOD" != "./" -a "$KBUILD_EXTMOD" != "" ]; then
 		echo "no"
 		return
 	fi
 	echo yes
 }

 function can_use_idutils()
 {
 	$SPATCH --help | grep "\-\-use\-idutils" > /dev/null
 	if [ $? -ne 0 ]; then
 		echo "no"
 		return
 	fi
 	# As of coccinelle 1.0.5 --use-idutils will bust if one uses
 	# idutils with an index out of the main tree.
 	if [ "$KBUILD_EXTMOD" != "./" -a "$KBUILD_EXTMOD" != "" ]; then
 		echo "no"
 		return
 	fi
 	if [ -f $DIR/ID -o -f $DIR/.id-utils.index ]; then
 		echo "yes"
 		return
 	fi
 	echo "no"
 }

 function can_use_gitgrep()
 {
 	$SPATCH --help | grep "\-\-use\-gitgrep" > /dev/null
 	if [ $? -ne 0 ]; then
 		echo "no"
 		return
 	fi
 	if [ ! -d $DIR/.git ]; then
 		echo "no"
 		return
 	fi
 	echo "yes"
 }

 # Indexing USE_* optimizations heuristics.
 #
 # Linux runs on git (TM). However, if you have supplemental indexing options
 # you may use them to help Coccinelle further. If you are using Coccinelle
 # within a target git tree --use-gitrep will be used, and this should
 # suffice for most uses. If you however want optimal performance do
 # consider embracing a supplemental indexing as part of your development.
 # For instance glimpse, and idutils can be used, however you should
 # be sure to update the indexes as often as you update your git tree to
 # ensure your indexes are not stale.
 #
 # idutils is currently not as efficient as glimpse because the query language
 # for glimpse is simpler, so when idutils is used more filtering has to be
 # done at the ocaml level within Coccinelle. Glimpse allows queries that are
 # arbitrary formulas, up to a limited level of complexity, involving both
 # && and ||. For idutils, Coccinelle runs lid intersections on the result.
 #
 # You can override these heuristics with COCCI_INDEX="--use-gitgrep" for
 # example. This will force to use --use-gitgrep even if you have a glimpse
 # index. Other examples:
 #
 # $ export COCCI=scripts/coccinelle/misc/irqf_oneshot.cocci
 # $ make coccicheck V=1 MODE=report COCCI_INDEX="--use-coccigrep"
 # $ make coccicheck V=1 MODE=report COCCI_INDEX="--use-idutils ID"
 # $ make coccicheck V=1 MODE=report COCCI_INDEX="--use-glimpse"
 # $ make coccicheck V=1 MODE=report COCCI_INDEX="--use-gitgrep"
 #
 # The order of heuristics for indexing used by coccicheck is listed below.
 #
 # 0. Glimpse currently should outperform all indexing options. so if a glimpse
 #    index is used we use it. Refer to Linux scripts/glimpse.sh for details.
 #    If you think you should be getting better performance with glimpse than
 #    what you would expect inspect the stderr log file for cocciecheck:
 #
 #    ${DIR}/coccicheck.$$.err
 #
 #    If glimpse is running correctly there should be very few occurrences
 #    of "Skipping", also coccinelle will inform you if it could not use
 #    glimpse. As an example an output of the following would indicate glimpse
 #    was properly used on ${DIR}/coccicheck.$$.err :
 #
 #    There are matches to 1252 out of 47281 files
 #    glimpse request = request_threaded_irq
 #
 # 1. Use idutils next. You'll need to generate an index using either of these:
 #
 #	a) mkid -s
 #       By default this dumps the index into ./ID
 #
 #	b) mkid -i C --output .id-utils.index *
 #       This method is provided with coccinelle repo on
 #       scripts/idutils_index.sh
 #
 # 2. Next best is --use-gitgrep and if you are working within a git tree
 #    this will be used by default.
 #
 # 3. By default coccinelle internally uses --use-coccigrep if no indexing
 #    options are requested and your version of coccinelle supports it so we
 #    do not need to be specific about requesting that as a fallback mechanism.
 #    Use of --use-coccigrep is comparable to --use-gitgrep.
 #
 # XXX: Glimpse is not well maintained. See if we can add similar indexing
 # features and query language glimpse supports to git.
 if [ "$COCCI_INDEX" = "" ] ; then
 	USE_GLIMPSE=$(can_use_glimpse)
 	USE_IDUTILS=$(can_use_idutils)
 	USE_GITGREP=$(can_use_gitgrep)
 fi

 # The verbosity may be set by the environmental parameter V=
 # as for example with 'make V=1 coccicheck'

 if [ -n "$V" -a "$V" != "0" ]; then
 	VERBOSE="$V"
 else
 	VERBOSE=0
 fi

 if [ -z "$J" ]; then
 	NPROC=$(getconf _NPROCESSORS_ONLN)
 else
 	NPROC="$J"
 fi

 # You can use SPFLAGS to append extra arguments to coccicheck.
 # A good example is if you want to debug your cocci script, you can
 # for instance use the following:
 #
 # $ export COCCI=scripts/coccinelle/misc/irqf_oneshot.cocci
 # $ time make coccicheck MODE=report SPFLAGS="--profile --show-trying" M=./drivers/mfd/arizona-irq.c
 #
 # "--show-trying" should show you what rule is being processed as it goes, if
 # you have issues with a rule getting stuck you can then inspect the file:
 #
 # ${DIR}/coccicheck.$$.err
 #
 # which will have the profile output.
 #
 # --profile will not output if --very-quiet is used, so avoid it.
 if [ "$SPFLAGS"  == *"--profile"* -o "$SPFLAGS"  == "--show-trying" ]; then
 	FLAGS="--quiet $SPFLAGS"
 else
 	FLAGS="--very-quiet $SPFLAGS"
 fi

 # spatch only allows include directories with the syntax "-I include"
 # while gcc also allows "-Iinclude" and "-include include"
 COCCIINCLUDE=${LINUXINCLUDE//-I/-I }
 COCCIINCLUDE=${COCCIINCLUDE// -include/ --include}

 if [ "$C" = "1" -o "$C" = "2" ]; then
     ONLINE=1

     # Take only the last argument, which is the C file to test
     shift $(( $# - 1 ))
     OPTIONS="$COCCIINCLUDE $1"
 else
     ONLINE=0
     if [ "$KBUILD_EXTMOD" = "" ] ; then
         OPTIONS="--dir $srctree $COCCIINCLUDE"
     else
         OPTIONS="--dir $KBUILD_EXTMOD $COCCIINCLUDE"
     fi
 fi

 if [ "$KBUILD_EXTMOD" != "" ] ; then
     OPTIONS="--patch $srctree $OPTIONS"
 fi

 if [ "$MODE" = "" ] ; then
     if [ "$ONLINE" = "0" ] ; then
 	echo 'You have not explicitly specified the mode to use. Using default "report" mode.'
 	echo 'Available modes are the following: patch, report, context, org'
 	echo 'You can specify the mode with "make coccicheck MODE=<mode>"'
 	echo 'Note however that some modes are not implemented by some semantic patches.'
     fi
     MODE="report"
 fi

 if [ "$MODE" = "chain" ] ; then
     if [ "$ONLINE" = "0" ] ; then
 	echo 'You have selected the "chain" mode.'
 	echo 'All available modes will be tried (in that order): patch, report, context, org'
     fi
 elif [ "$MODE" = "report" -o "$MODE" = "org" ] ; then
     FLAGS="$FLAGS --no-show-diff"
 fi

 if [ "$ONLINE" = "0" ] ; then
     echo ''
     echo 'Please check for false positives in the output before submitting a patch.'
     echo 'When using "patch" mode, carefully review the patch before submitting it.'
     echo ''
 fi

 if [ "$USE_JOBS" = "no" ]; then
 	trap kill_running SIGTERM SIGINT
 	declare -a SPATCH_PID
 else
 	OPTIONS="$OPTIONS --jobs $NPROC --chunksize 1"
 fi

 # Check COCCI_INDEX first to manual override, otherwise rely on
 # internal heuristics documented above.
 if [ "$COCCI_INDEX" != "" ] ; then
 	OPTIONS="$OPTIONS $COCCI_INDEX"
 elif [ "$USE_GLIMPSE" = "yes" ]; then
 	OPTIONS="$OPTIONS --use-glimpse"
 elif [ "$USE_IDUTILS" = "yes" ]; then
 	index=""
 	if [ -f $DIR/ID ]; then
 		index="$DIR/ID"
 	elif [ -f $DIR/.id-utils.index ]; then
 		index="$DIR/.id-utils.index"
 	else
 		echo "idutils index not found, expected: $DIR/ID or $DIR/.id-utils.index"
 		exit 1
 	fi
 	OPTIONS="$OPTIONS --use-idutils $index"
 elif [ "$USE_GITGREP" = "yes" ]; then
 	OPTIONS="$OPTIONS --use-gitgrep"
 fi

 run_cmd_parmap() {
 	if [ $VERBOSE -ne 0 ] ; then
 		echo "Running ($NPROC in parallel): $@"
 	fi
 	$@ 2>&1
 	if [[ $? -ne 0 ]]; then
 		echo "coccicheck failed"
 		exit $?
 	fi
 }

 run_cmd_old() {
 	local i
 	if [ $VERBOSE -ne 0 ] ; then
 		echo "Running ($NPROC in parallel): $@"
 	fi
 	for i in $(seq 0 $(( NPROC - 1)) ); do
 		eval "$@ --max $NPROC --index $i &"
 		SPATCH_PID[$i]=$!
 		if [ $VERBOSE -eq 2 ] ; then
 			echo "${SPATCH_PID[$i]} running"
 		fi
 	done
 	wait
 }

 run_cmd() {
 	if [ "$USE_JOBS" = "yes" ]; then
 		run_cmd_parmap $@
 	else
 		run_cmd_old $@
 	fi
 }

 kill_running() {
 	for i in $(seq 0 $(( NPROC - 1 )) ); do
 		if [ $VERBOSE -eq 2 ] ; then
 			echo "Killing ${SPATCH_PID[$i]}"
 		fi
 		kill ${SPATCH_PID[$i]} 2>/dev/null
 	done
 }

 coccinelle () {
     COCCI="$1"

     OPT=`grep "Option" $COCCI | cut -d':' -f2`
     REQ=`grep "Requires" $COCCI | cut -d':' -f2 | sed "s| ||"`
     REQ_NUM=$(echo $REQ | ${DIR}/scripts/ld-version.sh)
     if [ "$REQ_NUM" != "0" ] ; then
 	    if [ "$SPATCH_VERSION_NUM" -lt "$REQ_NUM" ] ; then
 		    echo "Skipping coccinele SmPL patch: $COCCI"
 		    echo "You have coccinelle:           $SPATCH_VERSION"
 		    echo "This SmPL patch requires:      $REQ"
 		    return
 	    fi
     fi

 #   The option '--parse-cocci' can be used to syntactically check the SmPL files.
 #
 #    $SPATCH -D $MODE $FLAGS -parse_cocci $COCCI $OPT > /dev/null

     if [ $VERBOSE -ne 0 -a $ONLINE -eq 0 ] ; then

 	FILE=`echo $COCCI | sed "s|$srctree/||"`

 	echo "Processing `basename $COCCI`"
 	echo "with option(s) \"$OPT\""
 	echo ''
 	echo 'Message example to submit a patch:'

 	sed -ne 's|^///||p' $COCCI

 	if [ "$MODE" = "patch" ] ; then
 	    echo ' The semantic patch that makes this change is available'
 	elif [ "$MODE" = "report" ] ; then
 	    echo ' The semantic patch that makes this report is available'
 	elif [ "$MODE" = "context" ] ; then
 	    echo ' The semantic patch that spots this code is available'
 	elif [ "$MODE" = "org" ] ; then
 	    echo ' The semantic patch that makes this Org report is available'
 	else
 	    echo ' The semantic patch that makes this output is available'
 	fi
 	echo " in $FILE."
 	echo ''
 	echo ' More information about semantic patching is available at'
 	echo ' http://coccinelle.lip6.fr/'
 	echo ''

 	if [ "`sed -ne 's|^//#||p' $COCCI`" ] ; then
 	    echo 'Semantic patch information:'
 	    sed -ne 's|^//#||p' $COCCI
 	    echo ''
 	fi
     fi

     if [ "$MODE" = "chain" ] ; then
 	run_cmd $SPATCH -D patch   \
 		$FLAGS --cocci-file $COCCI $OPT $OPTIONS               || \
 	run_cmd $SPATCH -D report  \
 		$FLAGS --cocci-file $COCCI $OPT $OPTIONS --no-show-diff || \
 	run_cmd $SPATCH -D context \
 		$FLAGS --cocci-file $COCCI $OPT $OPTIONS               || \
 	run_cmd $SPATCH -D org     \
 		$FLAGS --cocci-file $COCCI $OPT $OPTIONS --no-show-diff || exit 1
     elif [ "$MODE" = "rep+ctxt" ] ; then
 	run_cmd $SPATCH -D report  \
 		$FLAGS --cocci-file $COCCI $OPT $OPTIONS --no-show-diff && \
 	run_cmd $SPATCH -D context \
 		$FLAGS --cocci-file $COCCI $OPT $OPTIONS || exit 1
     else
 	run_cmd $SPATCH -D $MODE   $FLAGS --cocci-file $COCCI $OPT $OPTIONS || exit 1
     fi

 }

 if [ "$COCCI" = "" ] ; then
     for f in `find $srctree/scripts/coccinelle/ -name '*.cocci' -type f | sort`; do
 	coccinelle $f
     done
 else
     coccinelle $COCCI
 fi
	#!/bin/bash
	# Linux kernel coccicheck
	#
	# For more detailed documentation refer to:
	#
	# https://bottest.wiki.kernel.org/coccicheck
	#
	# This documentation always refers to the linux-next version of the script.
	#
	# This script requires at least spatch
	# version 1.0.0-rc11.

	DIR="$(dirname $(readlink -f $0))/.."
	SPATCH="`which ${SPATCH:=spatch}`"

	srctree="$(readlink -f $srctree)/"
	if [ "$KBUILD_EXTMOD" != "" ] ; then
	if [ -d "$KBUILD_EXTMOD" ]; then
	KBUILD_EXTMOD="$(readlink -f $KBUILD_EXTMOD)/"
	fi
	fi

	if [ ! -x "$SPATCH" ]; then
	echo 'spatch is part of the Coccinelle project and is available at http://coccinelle.lip6.fr/'
	exit 1
	fi
	SPATCH_VERSION=$($SPATCH --version \| head -1 \| awk '{print $3}')
	SPATCH_VERSION_NUM=$(echo $SPATCH_VERSION \| ${DIR}/scripts/ld-version.sh)

	USE_JOBS="no"
	$SPATCH --help \| grep "\-\-jobs" > /dev/null && USE_JOBS="yes"

	function can_use_glimpse()
	{
	$SPATCH --help \| grep "\-\-use\-glimpse" > /dev/null
	if [ $? -ne 0 ]; then
	echo "no"
	return
	fi
	if [ ! -f $DIR/.glimpse_index ]; then
	echo "no"
	return
	fi

	# As of coccinelle 1.0.5 --use-glimpse cannot be used with M= other
	# than the base directory. We expect a future release will let us
	# specify the full path of the glimpse index but even if that's
	# supported, glimpse use seems to require an index per every
	# directory parsed, so you'd have to generate a glimpse index
	# per directory. If M=path is used (where epath is not the top level)
	# we'll have to fallback to alternatives then.
	if [ "$KBUILD_EXTMOD" != "./" -a "$KBUILD_EXTMOD" != "" ]; then
	echo "no"
	return
	fi
	echo yes
	}

	function can_use_idutils()
	{
	$SPATCH --help \| grep "\-\-use\-idutils" > /dev/null
	if [ $? -ne 0 ]; then
	echo "no"
	return
	fi
	# As of coccinelle 1.0.5 --use-idutils will bust if one uses
	# idutils with an index out of the main tree.
	if [ "$KBUILD_EXTMOD" != "./" -a "$KBUILD_EXTMOD" != "" ]; then
	echo "no"
	return
	fi
	if [ -f $DIR/ID -o -f $DIR/.id-utils.index ]; then
	echo "yes"
	return
	fi
	echo "no"
	}

	function can_use_gitgrep()
	{
	$SPATCH --help \| grep "\-\-use\-gitgrep" > /dev/null
	if [ $? -ne 0 ]; then
	echo "no"
	return
	fi
	if [ ! -d $DIR/.git ]; then
	echo "no"
	return
	fi
	echo "yes"
	}

	# Indexing USE_* optimizations heuristics.
	#
	# Linux runs on git (TM). However, if you have supplemental indexing options
	# you may use them to help Coccinelle further. If you are using Coccinelle
	# within a target git tree --use-gitrep will be used, and this should
	# suffice for most uses. If you however want optimal performance do
	# consider embracing a supplemental indexing as part of your development.
	# For instance glimpse, and idutils can be used, however you should
	# be sure to update the indexes as often as you update your git tree to
	# ensure your indexes are not stale.
	#
	# idutils is currently not as efficient as glimpse because the query language
	# for glimpse is simpler, so when idutils is used more filtering has to be
	# done at the ocaml level within Coccinelle. Glimpse allows queries that are
	# arbitrary formulas, up to a limited level of complexity, involving both
	# && and \|\|. For idutils, Coccinelle runs lid intersections on the result.
	#
	# You can override these heuristics with COCCI_INDEX="--use-gitgrep" for
	# example. This will force to use --use-gitgrep even if you have a glimpse
	# index. Other examples:
	#
	# $ export COCCI=scripts/coccinelle/misc/irqf_oneshot.cocci
	# $ make coccicheck V=1 MODE=report COCCI_INDEX="--use-coccigrep"
	# $ make coccicheck V=1 MODE=report COCCI_INDEX="--use-idutils ID"
	# $ make coccicheck V=1 MODE=report COCCI_INDEX="--use-glimpse"
	# $ make coccicheck V=1 MODE=report COCCI_INDEX="--use-gitgrep"
	#
	# The order of heuristics for indexing used by coccicheck is listed below.
	#
	# 0. Glimpse currently should outperform all indexing options. so if a glimpse
	# index is used we use it. Refer to Linux scripts/glimpse.sh for details.
	# If you think you should be getting better performance with glimpse than
	# what you would expect inspect the stderr log file for cocciecheck:
	#
	# ${DIR}/coccicheck.$$.err
	#
	# If glimpse is running correctly there should be very few occurrences
	# of "Skipping", also coccinelle will inform you if it could not use
	# glimpse. As an example an output of the following would indicate glimpse
	# was properly used on ${DIR}/coccicheck.$$.err :
	#
	# There are matches to 1252 out of 47281 files
	# glimpse request = request_threaded_irq
	#
	# 1. Use idutils next. You'll need to generate an index using either of these:
	#
	# a) mkid -s
	# By default this dumps the index into ./ID
	#
	# b) mkid -i C --output .id-utils.index *
	# This method is provided with coccinelle repo on
	# scripts/idutils_index.sh
	#
	# 2. Next best is --use-gitgrep and if you are working within a git tree
	# this will be used by default.
	#
	# 3. By default coccinelle internally uses --use-coccigrep if no indexing
	# options are requested and your version of coccinelle supports it so we
	# do not need to be specific about requesting that as a fallback mechanism.
	# Use of --use-coccigrep is comparable to --use-gitgrep.
	#
	# XXX: Glimpse is not well maintained. See if we can add similar indexing
	# features and query language glimpse supports to git.
	if [ "$COCCI_INDEX" = "" ] ; then
	USE_GLIMPSE=$(can_use_glimpse)
	USE_IDUTILS=$(can_use_idutils)
	USE_GITGREP=$(can_use_gitgrep)
	fi

	# The verbosity may be set by the environmental parameter V=
	# as for example with 'make V=1 coccicheck'

	if [ -n "$V" -a "$V" != "0" ]; then
	VERBOSE="$V"
	else
	VERBOSE=0
	fi

	if [ -z "$J" ]; then
	NPROC=$(getconf _NPROCESSORS_ONLN)
	else
	NPROC="$J"
	fi

	# You can use SPFLAGS to append extra arguments to coccicheck.
	# A good example is if you want to debug your cocci script, you can
	# for instance use the following:
	#
	# $ export COCCI=scripts/coccinelle/misc/irqf_oneshot.cocci
	# $ time make coccicheck MODE=report SPFLAGS="--profile --show-trying" M=./drivers/mfd/arizona-irq.c
	#
	# "--show-trying" should show you what rule is being processed as it goes, if
	# you have issues with a rule getting stuck you can then inspect the file:
	#
	# ${DIR}/coccicheck.$$.err
	#
	# which will have the profile output.
	#
	# --profile will not output if --very-quiet is used, so avoid it.
	if [ "$SPFLAGS" == "--profile" -o "$SPFLAGS" == "--show-trying" ]; then
	FLAGS="--quiet $SPFLAGS"
	else
	FLAGS="--very-quiet $SPFLAGS"
	fi

	# spatch only allows include directories with the syntax "-I include"
	# while gcc also allows "-Iinclude" and "-include include"
	COCCIINCLUDE=${LINUXINCLUDE//-I/-I }
	COCCIINCLUDE=${COCCIINCLUDE// -include/ --include}

	if [ "$C" = "1" -o "$C" = "2" ]; then
	ONLINE=1

	# Take only the last argument, which is the C file to test
	shift $(( $# - 1 ))
	OPTIONS="$COCCIINCLUDE $1"
	else
	ONLINE=0
	if [ "$KBUILD_EXTMOD" = "" ] ; then
	OPTIONS="--dir $srctree $COCCIINCLUDE"
	else
	OPTIONS="--dir $KBUILD_EXTMOD $COCCIINCLUDE"
	fi
	fi

	if [ "$KBUILD_EXTMOD" != "" ] ; then
	OPTIONS="--patch $srctree $OPTIONS"
	fi

	if [ "$MODE" = "" ] ; then
	if [ "$ONLINE" = "0" ] ; then
	echo 'You have not explicitly specified the mode to use. Using default "report" mode.'
	echo 'Available modes are the following: patch, report, context, org'
	echo 'You can specify the mode with "make coccicheck MODE=<mode>"'
	echo 'Note however that some modes are not implemented by some semantic patches.'
	fi
	MODE="report"
	fi

	if [ "$MODE" = "chain" ] ; then
	if [ "$ONLINE" = "0" ] ; then
	echo 'You have selected the "chain" mode.'
	echo 'All available modes will be tried (in that order): patch, report, context, org'
	fi
	elif [ "$MODE" = "report" -o "$MODE" = "org" ] ; then
	FLAGS="$FLAGS --no-show-diff"
	fi

	if [ "$ONLINE" = "0" ] ; then
	echo ''
	echo 'Please check for false positives in the output before submitting a patch.'
	echo 'When using "patch" mode, carefully review the patch before submitting it.'
	echo ''
	fi

	if [ "$USE_JOBS" = "no" ]; then
	trap kill_running SIGTERM SIGINT
	declare -a SPATCH_PID
	else
	OPTIONS="$OPTIONS --jobs $NPROC --chunksize 1"
	fi

	# Check COCCI_INDEX first to manual override, otherwise rely on
	# internal heuristics documented above.
	if [ "$COCCI_INDEX" != "" ] ; then
	OPTIONS="$OPTIONS $COCCI_INDEX"
	elif [ "$USE_GLIMPSE" = "yes" ]; then
	OPTIONS="$OPTIONS --use-glimpse"
	elif [ "$USE_IDUTILS" = "yes" ]; then
	index=""
	if [ -f $DIR/ID ]; then
	index="$DIR/ID"
	elif [ -f $DIR/.id-utils.index ]; then
	index="$DIR/.id-utils.index"
	else
	echo "idutils index not found, expected: $DIR/ID or $DIR/.id-utils.index"
	exit 1
	fi
	OPTIONS="$OPTIONS --use-idutils $index"
	elif [ "$USE_GITGREP" = "yes" ]; then
	OPTIONS="$OPTIONS --use-gitgrep"
	fi

	run_cmd_parmap() {
	if [ $VERBOSE -ne 0 ] ; then
	echo "Running ($NPROC in parallel): $@"
	fi
	$@ 2>&1
	if [[ $? -ne 0 ]]; then
	echo "coccicheck failed"
	exit $?
	fi
	}

	run_cmd_old() {
	local i
	if [ $VERBOSE -ne 0 ] ; then
	echo "Running ($NPROC in parallel): $@"
	fi
	for i in $(seq 0 $(( NPROC - 1)) ); do
	eval "$@ --max $NPROC --index $i &"
	SPATCH_PID[$i]=$!
	if [ $VERBOSE -eq 2 ] ; then
	echo "${SPATCH_PID[$i]} running"
	fi
	done
	wait
	}

	run_cmd() {
	if [ "$USE_JOBS" = "yes" ]; then
	run_cmd_parmap $@
	else
	run_cmd_old $@
	fi
	}

	kill_running() {
	for i in $(seq 0 $(( NPROC - 1 )) ); do
	if [ $VERBOSE -eq 2 ] ; then
	echo "Killing ${SPATCH_PID[$i]}"
	fi
	kill ${SPATCH_PID[$i]} 2>/dev/null
	done
	}

	coccinelle () {
	COCCI="$1"

	OPT=`grep "Option" $COCCI \| cut -d':' -f2`
	REQ=`grep "Requires" $COCCI \| cut -d':' -f2 \| sed "s\| \|\|"`
	REQ_NUM=$(echo $REQ \| ${DIR}/scripts/ld-version.sh)
	if [ "$REQ_NUM" != "0" ] ; then
	if [ "$SPATCH_VERSION_NUM" -lt "$REQ_NUM" ] ; then
	echo "Skipping coccinele SmPL patch: $COCCI"
	echo "You have coccinelle: $SPATCH_VERSION"
	echo "This SmPL patch requires: $REQ"
	return
	fi
	fi

	# The option '--parse-cocci' can be used to syntactically check the SmPL files.
	#
	# $SPATCH -D $MODE $FLAGS -parse_cocci $COCCI $OPT > /dev/null

	if [ $VERBOSE -ne 0 -a $ONLINE -eq 0 ] ; then

	FILE=`echo $COCCI \| sed "s\|$srctree/\|\|"`

	echo "Processing `basename $COCCI`"
	echo "with option(s) \"$OPT\""
	echo ''
	echo 'Message example to submit a patch:'

	sed -ne 's\|^///\|\|p' $COCCI

	if [ "$MODE" = "patch" ] ; then
	echo ' The semantic patch that makes this change is available'
	elif [ "$MODE" = "report" ] ; then
	echo ' The semantic patch that makes this report is available'
	elif [ "$MODE" = "context" ] ; then
	echo ' The semantic patch that spots this code is available'
	elif [ "$MODE" = "org" ] ; then
	echo ' The semantic patch that makes this Org report is available'
	else
	echo ' The semantic patch that makes this output is available'
	fi
	echo " in $FILE."
	echo ''
	echo ' More information about semantic patching is available at'
	echo ' http://coccinelle.lip6.fr/'
	echo ''

	if [ "`sed -ne 's\|^//#\|\|p' $COCCI`" ] ; then
	echo 'Semantic patch information:'
	sed -ne 's\|^//#\|\|p' $COCCI
	echo ''
	fi
	fi

	if [ "$MODE" = "chain" ] ; then
	run_cmd $SPATCH -D patch \
	$FLAGS --cocci-file $COCCI $OPT $OPTIONS \|\| \
	run_cmd $SPATCH -D report \
	$FLAGS --cocci-file $COCCI $OPT $OPTIONS --no-show-diff \|\| \
	run_cmd $SPATCH -D context \
	$FLAGS --cocci-file $COCCI $OPT $OPTIONS \|\| \
	run_cmd $SPATCH -D org \
	$FLAGS --cocci-file $COCCI $OPT $OPTIONS --no-show-diff \|\| exit 1
	elif [ "$MODE" = "rep+ctxt" ] ; then
	run_cmd $SPATCH -D report \
	$FLAGS --cocci-file $COCCI $OPT $OPTIONS --no-show-diff && \
	run_cmd $SPATCH -D context \
	$FLAGS --cocci-file $COCCI $OPT $OPTIONS \|\| exit 1
	else
	run_cmd $SPATCH -D $MODE $FLAGS --cocci-file $COCCI $OPT $OPTIONS \|\| exit 1
	fi

	}

	if [ "$COCCI" = "" ] ; then
	for f in `find $srctree/scripts/coccinelle/ -name '*.cocci' -type f \| sort`; do
	coccinelle $f
	done
	else
	coccinelle $COCCI
	fi