procfs: Support multiple reads of e.g. /proc/*/maps

Refs: #1021
Change-Id: If36e1a0f3f41f0215868daf578e96775d96a59a3

test/issues/1021/C1021.sh

@@ -0,0 +1,81 @@
+#!/bin/sh
+BIN=
+SBIN=
+LTP=
+OSTEST=
+BOOTPARAM="-c 1-7,17-23,9-15,25-31 -m 10G@0,10G@1"
+
+if ! sudo ls /sys/kernel/debug | grep kmemleak > /dev/null 2>&1; then
+	echo kmemleak: not found >&2
+	exit 1
+fi
+
+if [ -f ../../../config.h ]; then
+	str=`grep "^#define BINDIR " ../../../config.h | head -1 | sed 's/^#define BINDIR /BINDIR=/'`
+	eval $str
+fi
+if [ "x$BINDIR" = x ];then
+	BINDIR="$BIN"
+fi
+
+if [ -f ../../../Makefile ]; then
+	str=`grep ^SBINDIR ../../../Makefile | head -1 | sed 's/ //g'`
+	eval $str
+fi
+if [ "x$SBINDIR" = x ];then
+	SBINDIR="$SBIN"
+fi
+
+if [ -f $HOME/ltp/testcases/bin/fork01 ]; then
+	LTPDIR=$HOME/ltp
+fi
+if [ "x$LTPDIR" = x ]; then
+	LTPDIR="$LTP"
+fi
+if [ "x$LTPDIR" != x ]; then
+	LTPDIR="$LTPDIR/testcases"
+fi
+
+if [ -f $HOME/ostest/bin/test_mck ]; then
+	OSTESTDIR=$HOME/ostest/
+fi
+if [ "x$OSTESTDIR" = x ]; then
+	OSTESTDIR="$OSTEST"
+fi
+if [ ! -x "$OSTESTDIR"/bin/test_mck ]; then
+	echo no ostest found $OSTEST >&2
+	exit 1
+fi
+TESTMCK="$OSTESTDIR/bin/test_mck"
+
+if [ ! -x $SBINDIR/mcstop+release.sh ]; then
+	echo mcstop+release: not found >&2
+	exit 1
+fi
+echo -n "mcstop+release.sh ... "
+sudo $SBINDIR/mcstop+release.sh
+echo "done"
+
+if [ ! -x $SBINDIR/mcreboot.sh ]; then
+	echo mcreboot: not found >&2
+	exit 1
+fi
+echo -n "mcreboot.sh $BOOTPARAM ... "
+sudo $SBINDIR/mcreboot.sh $BOOTPARAM
+echo "done"
+
+if [ ! -x $BINDIR/mcexec ]; then
+	echo no mcexec found >&2
+	exit 1
+fi
+
+################################################################################
+sudo sh -c 'echo clear > /sys/kernel/debug/kmemleak'
+$BINDIR/mcexec ./C1021
+sudo $SBINDIR/mcstop+release.sh
+sudo sh -c 'echo scan > /sys/kernel/debug/kmemleak'
+if sudo cat /sys/kernel/debug/kmemleak | tee C1021T71.kmemleak | grep 'mcctrl'; then
+	echo '*** C1021T61 NG (kmemleak)'
+else
+	echo '*** C1021T61 OK (kmemleak)'
+fi