To prevent core dump file generation, the new functions allow to clear
and restore the /proc/sys/kernel/core_pattern definition.
Reviewed-by: Michael Mueller <m...@linux.vnet.ibm.com>
Signed-off-by: Mao Chuan Li <maoch...@linux.vnet.ibm.com>
---
tests/qemu-iotests/common.rc | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/tests/qemu-iotests/common.rc b/tests/qemu-iotests/common.rc
index 9c49deb..87edf36 100644
--- a/tests/qemu-iotests/common.rc
+++ b/tests/qemu-iotests/common.rc
@@ -478,5 +478,22 @@ _die()
exit 1
}
+core_pattern_file="/proc/sys/kernel/core_pattern"
+
+_erase_core_pattern()
+{
+ saved_pattern=$(cat $core_pattern_file)
+
+ echo > "$core_pattern_file"
+ if [ $? != 0 ]; then
+ exit 1
+ fi
+}
+
+_restore_core_pattern()
+{
+ echo $saved_pattern > $core_pattern_file
+}
+
# make sure this script returns success
/bin/true
--
1.9.3
