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-rw-r--r--tests/qemu-iotests/common.rc105
1 files changed, 87 insertions, 18 deletions
diff --git a/tests/qemu-iotests/common.rc b/tests/qemu-iotests/common.rc
index ee20be8920..e45cdfa66b 100644
--- a/tests/qemu-iotests/common.rc
+++ b/tests/qemu-iotests/common.rc
@@ -60,19 +60,68 @@ if ! . ./common.config
     exit 1
 fi
 
+# Set the variables to the empty string to turn Valgrind off
+# for specific processes, e.g.
+# $ VALGRIND_QEMU_IO= ./check -qcow2 -valgrind 015
+
+: ${VALGRIND_QEMU_VM=$VALGRIND_QEMU}
+: ${VALGRIND_QEMU_IMG=$VALGRIND_QEMU}
+: ${VALGRIND_QEMU_IO=$VALGRIND_QEMU}
+: ${VALGRIND_QEMU_NBD=$VALGRIND_QEMU}
+: ${VALGRIND_QEMU_VXHS=$VALGRIND_QEMU}
+
+# The Valgrind own parameters may be set with
+# its environment variable VALGRIND_OPTS, e.g.
+# $ VALGRIND_OPTS="--leak-check=yes" ./check -qcow2 -valgrind 015
+
+_qemu_proc_exec()
+{
+    local VALGRIND_LOGFILE="$1"
+    shift
+    if [[ "${VALGRIND_QEMU}" == "y" && "${NO_VALGRIND}" != "y" ]]; then
+        exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 "$@"
+    else
+        exec "$@"
+    fi
+}
+
+_qemu_proc_valgrind_log()
+{
+    local VALGRIND_LOGFILE="$1"
+    local RETVAL="$2"
+    if [[ "${VALGRIND_QEMU}" == "y" && "${NO_VALGRIND}" != "y" ]]; then
+        if [ $RETVAL == 99 ]; then
+            cat "${VALGRIND_LOGFILE}"
+        fi
+        rm -f "${VALGRIND_LOGFILE}"
+    fi
+}
+
 _qemu_wrapper()
 {
+    local VALGRIND_LOGFILE="${TEST_DIR}"/$$.valgrind
     (
         if [ -n "${QEMU_NEED_PID}" ]; then
             echo $BASHPID > "${QEMU_TEST_DIR}/qemu-${_QEMU_HANDLE}.pid"
         fi
-        exec "$QEMU_PROG" $QEMU_OPTIONS "$@"
+        VALGRIND_QEMU="${VALGRIND_QEMU_VM}" _qemu_proc_exec "${VALGRIND_LOGFILE}" \
+            "$QEMU_PROG" $QEMU_OPTIONS "$@"
     )
+    RETVAL=$?
+    _qemu_proc_valgrind_log "${VALGRIND_LOGFILE}" $RETVAL
+    return $RETVAL
 }
 
 _qemu_img_wrapper()
 {
-    (exec "$QEMU_IMG_PROG" $QEMU_IMG_OPTIONS "$@")
+    local VALGRIND_LOGFILE="${TEST_DIR}"/$$.valgrind
+    (
+        VALGRIND_QEMU="${VALGRIND_QEMU_IMG}" _qemu_proc_exec "${VALGRIND_LOGFILE}" \
+            "$QEMU_IMG_PROG" $QEMU_IMG_OPTIONS "$@"
+    )
+    RETVAL=$?
+    _qemu_proc_valgrind_log "${VALGRIND_LOGFILE}" $RETVAL
+    return $RETVAL
 }
 
 _qemu_io_wrapper()
@@ -85,36 +134,47 @@ _qemu_io_wrapper()
             QEMU_IO_ARGS="--object secret,id=keysec0,data=$IMGKEYSECRET $QEMU_IO_ARGS"
         fi
     fi
-    local RETVAL
     (
-        if [ "${VALGRIND_QEMU}" == "y" ]; then
-            exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@"
-        else
-            exec "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@"
-        fi
+        VALGRIND_QEMU="${VALGRIND_QEMU_IO}" _qemu_proc_exec "${VALGRIND_LOGFILE}" \
+            "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@"
     )
     RETVAL=$?
-    if [ "${VALGRIND_QEMU}" == "y" ]; then
-        if [ $RETVAL == 99 ]; then
-            cat "${VALGRIND_LOGFILE}"
-        fi
-        rm -f "${VALGRIND_LOGFILE}"
-    fi
-    (exit $RETVAL)
+    _qemu_proc_valgrind_log "${VALGRIND_LOGFILE}" $RETVAL
+    return $RETVAL
 }
 
 _qemu_nbd_wrapper()
 {
-    "$QEMU_NBD_PROG" --pid-file="${QEMU_TEST_DIR}/qemu-nbd.pid" \
-                     $QEMU_NBD_OPTIONS "$@"
+    local VALGRIND_LOGFILE="${TEST_DIR}"/$$.valgrind
+    (
+        VALGRIND_QEMU="${VALGRIND_QEMU_NBD}" _qemu_proc_exec "${VALGRIND_LOGFILE}" \
+            "$QEMU_NBD_PROG" --pid-file="${QEMU_TEST_DIR}/qemu-nbd.pid" \
+             $QEMU_NBD_OPTIONS "$@"
+    )
+    RETVAL=$?
+    _qemu_proc_valgrind_log "${VALGRIND_LOGFILE}" $RETVAL
+    return $RETVAL
 }
 
 _qemu_vxhs_wrapper()
 {
+    local VALGRIND_LOGFILE="${TEST_DIR}"/$$.valgrind
     (
         echo $BASHPID > "${TEST_DIR}/qemu-vxhs.pid"
-        exec "$QEMU_VXHS_PROG" $QEMU_VXHS_OPTIONS "$@"
+        VALGRIND_QEMU="${VALGRIND_QEMU_VXHS}" _qemu_proc_exec "${VALGRIND_LOGFILE}" \
+            "$QEMU_VXHS_PROG" $QEMU_VXHS_OPTIONS "$@"
     )
+    RETVAL=$?
+    _qemu_proc_valgrind_log "${VALGRIND_LOGFILE}" $RETVAL
+    return $RETVAL
+}
+
+# Valgrind bug #409141 https://bugs.kde.org/show_bug.cgi?id=409141
+# Until valgrind 3.16+ is ubiquitous, we must work around a hang in
+# valgrind when issuing sigkill. Disable valgrind for this invocation.
+_NO_VALGRIND()
+{
+    NO_VALGRIND="y" "$@"
 }
 
 export QEMU=_qemu_wrapper
@@ -395,6 +455,15 @@ _notrun()
     exit
 }
 
+# bail out, setting up .casenotrun file
+# The function _casenotrun() is used as a notifier. It is the
+# caller's responsibility to make skipped a particular test.
+#
+_casenotrun()
+{
+    echo "    [case not run] $*" >>"$OUTPUT_DIR/$seq.casenotrun"
+}
+
 # just plain bail out
 #
 _fail()