4 files changed, 223 insertions, 0 deletions
diff --git a/tests/ts/ipcs/functions.sh b/tests/ts/ipcs/functions.sh
new file mode 100644
index 0000000..24ea445
--- /dev/null
+++ b/tests/ts/ipcs/functions.sh
@@ -0,0 +1,83 @@
+#!/bin/bash
+
+#
+# Copyright (C) 2007 Karel Zak <kzak@redhat.com>
+#
+# This file is part of util-linux.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+
+PAGE_SIZE=$($TS_HELPER_SYSINFO pagesize)
+
+# kernel files
+IPCS_PROCFILES=(
+	/proc/sys/kernel/shmmni
+	/proc/sys/kernel/shmall
+	/proc/sys/kernel/shmmax
+)
+
+# raw data converted to ipcs-like format
+#	shmmni = same
+#	shmall = from pages to KBytes
+#	shmmax = from bytes to KBytes
+#
+IPCS_KERNEL_CMD=(
+	"cat /proc/sys/kernel/shmmni"
+	"echo \$(cat /proc/sys/kernel/shmall) / 1024 \* $PAGE_SIZE | bc -l | sed 's/\..*//'"
+	"echo \$(cat /proc/sys/kernel/shmmax) / 1024 | bc -l | sed 's/\..*//'"
+)
+
+# data from the ipcs command
+IPCS_CMD=(
+	"$TS_CMD_IPCS -m -l | awk '/max number of segments/ { print \$6 }'"
+	"$TS_CMD_IPCS -m -l | awk '/max total shared memory/ { print \$7 }'"
+	"$TS_CMD_IPCS -m -l | awk '/max seg size/ { print \$6 }'"
+)
+
+
+# The linux kernel accepts ULONG_MAX, but this value is same like ULLONG_MAX on
+# 64-bit archs. So the ipcs command has to always overflow on 64-bit archs when
+# shmall (=num of pages!) is same or almost same like ULONG_MAX. This is reason
+# why we for the test uses 32-bit limits on all archs.
+#
+# (Don't worry that 64-bit ULONG_MAX makes ipcs useless ...
+#  ... it's a problem for admins who want to use 75557863725TB of RAM for shm)
+#
+IPCS_LIMITS=(
+	$($TS_HELPER_SYSINFO INT_MAX)
+	$($TS_HELPER_SYSINFO ULONG_MAX32)
+	$($TS_HELPER_SYSINFO ULONG_MAX32)
+)
+
+# list of indexes = 0..(sizeof Array - 1)
+IPCS_IDX=$(seq 0 $(( ${#IPCS_PROCFILES[*]} - 1 )))
+
+# checker
+function ipcs_limits_check {
+	for i in $IPCS_IDX; do
+		echo -n ${IPCS_PROCFILES[$i]}
+
+		a=$(eval ${IPCS_KERNEL_CMD[$i]})
+		b=$(eval ${IPCS_CMD[$i]})
+
+		#echo -n " RAW: "
+		#cat ${IPCS_PROCFILES[$i]}
+		#echo "CMD: ${ICPS_KERNEL_CMD[$i]}"
+
+		if [ x"$a" == x"$b" ]; then
+			echo " OK"
+		else
+			echo " kernel=$a, ipcs=$b"
+		fi
+	done
+}
+
diff --git a/tests/ts/ipcs/headers b/tests/ts/ipcs/headers
new file mode 100755
index 0000000..99b82a3
--- /dev/null
+++ b/tests/ts/ipcs/headers
@@ -0,0 +1,58 @@
+#!/bin/bash
+
+#
+# Copyright (C) 2007 Karel Zak <kzak@redhat.com>
+#
+# This file is part of util-linux.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+TS_TOPDIR="$(dirname $0)/../.."
+TS_DESC="headers"
+
+. $TS_TOPDIR/functions.sh
+ts_init "$*"
+
+ts_log "test: shm headers"
+$TS_CMD_IPCS -m -t | grep --after-context=1 "^---"  >> $TS_OUTPUT
+$TS_CMD_IPCS -m -p | grep --after-context=1 "^---"  >> $TS_OUTPUT
+$TS_CMD_IPCS -m -c | grep --after-context=1 "^---"  >> $TS_OUTPUT
+$TS_CMD_IPCS -m -l | grep "^---"  >> $TS_OUTPUT
+$TS_CMD_IPCS -m -u | grep "^---"  >> $TS_OUTPUT
+echo >> $TS_OUTPUT
+
+ts_log "test: mesg headers"
+$TS_CMD_IPCS -q -t | grep --after-context=1 "^---"  >> $TS_OUTPUT
+$TS_CMD_IPCS -q -p | grep --after-context=1 "^---"  >> $TS_OUTPUT
+$TS_CMD_IPCS -q -c | grep --after-context=1 "^---"  >> $TS_OUTPUT
+$TS_CMD_IPCS -q -l | grep  "^---"  >> $TS_OUTPUT
+$TS_CMD_IPCS -q -u | grep  "^---"  >> $TS_OUTPUT
+echo >> $TS_OUTPUT
+
+ts_log "test: sem headers"
+$TS_CMD_IPCS -s -t | grep --after-context=1 "^---"  >> $TS_OUTPUT
+$TS_CMD_IPCS -s -p | grep --after-context=1 "^---"  >> $TS_OUTPUT
+$TS_CMD_IPCS -s -c | grep --after-context=1 "^---"  >> $TS_OUTPUT
+$TS_CMD_IPCS -s -l | grep  "^---"  >> $TS_OUTPUT
+$TS_CMD_IPCS -s -u | grep  "^---"  >> $TS_OUTPUT
+echo >> $TS_OUTPUT
+
+ts_log "test: all headers"
+$TS_CMD_IPCS -a | grep --after-context=1 "^---"  >> $TS_OUTPUT
+
+$TS_CMD_IPCS -a -t | grep --after-context=1 "^---"  >> $TS_OUTPUT
+$TS_CMD_IPCS -a -p | grep --after-context=1 "^---"  >> $TS_OUTPUT
+$TS_CMD_IPCS -a -c | grep --after-context=1 "^---"  >> $TS_OUTPUT
+$TS_CMD_IPCS -a -l | grep "^---"  >> $TS_OUTPUT
+$TS_CMD_IPCS -a -u | grep "^---"  >> $TS_OUTPUT
+
+ts_finalize
+
diff --git a/tests/ts/ipcs/limits b/tests/ts/ipcs/limits
new file mode 100755
index 0000000..ed6e084
--- /dev/null
+++ b/tests/ts/ipcs/limits
@@ -0,0 +1,51 @@
+#!/bin/bash
+
+#
+# Copyright (C) 2007 Karel Zak <kzak@redhat.com>
+#
+# This file is part of util-linux.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+
+TS_TOPDIR="$(dirname $0)/../.."
+TS_DESC="limits overflow"
+
+. $TS_TOPDIR/functions.sh
+
+ts_init "$*"
+ts_skip_nonroot
+
+. $TS_SELF/functions.sh
+
+ts_log "load original values"
+for i in $IPCS_IDX; do
+	SHM_ORG[$i]=$(cat ${IPCS_PROCFILES[$i]})
+done >> $TS_OUTPUT
+
+ts_log "check for difference between kernel and IPC"
+ipcs_limits_check >> $TS_OUTPUT
+
+ts_log "maximalize kernel setting"
+for i in $IPCS_IDX; do
+	echo ${IPCS_LIMITS[$i]} >> ${IPCS_PROCFILES[$i]}
+done >> $TS_OUTPUT
+
+ts_log "re-check for difference between kernel and IPC"
+ipcs_limits_check >> $TS_OUTPUT
+
+ts_log "write original values to kernel"
+for i in $IPCS_IDX; do
+	echo ${SHM_ORG[$i]} >> ${IPCS_PROCFILES[$i]}
+done >> $TS_OUTPUT
+
+ts_finalize
+
diff --git a/tests/ts/ipcs/limits2 b/tests/ts/ipcs/limits2
new file mode 100755
index 0000000..acb1749
--- /dev/null
+++ b/tests/ts/ipcs/limits2
@@ -0,0 +1,31 @@
+#!/bin/bash
+
+#
+# Copyright (C) 2007 Karel Zak <kzak@redhat.com>
+#
+# This file is part of util-linux.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+
+TS_TOPDIR="$(dirname $0)/../.."
+TS_DESC="basic limits"
+
+. $TS_TOPDIR/functions.sh
+ts_init "$*"
+
+. $TS_SELF/functions.sh
+
+ts_log "check for difference between kernel and IPC"
+ipcs_limits_check >> $TS_OUTPUT
+
+ts_finalize
+