#
# Copyright (C) 2019 Michael Jeanson <mjeanson@efficios.com>
#
-# This library is free software; you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation; version 2.1 of the License.
-#
-# This library 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 Lesser General Public License for more
-# details.
-#
-# You should have received a copy of the GNU Lesser General Public License
-# along with this library; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+# SPDX-License-Identifier: LGPL-2.1-only
TEST_DESC="UST - Namespace contexts change"
ns_inode=$(stat -c '%i' -L "/proc/$$/ns/$ns")
ok $? "Get current $ns namespace inode: $ns_inode" || ns_inode="invalid"
- trace_path=$(mktemp -d)
- file_sync_before_last=$(mktemp -u)
- file_sync_after_unshare=$(mktemp -u)
+ trace_path=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
+ file_sync_before_last=$(mktemp -u -t "tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX")
+ file_sync_after_unshare=$(mktemp -u -t "tmp.${FUNCNAME[0]}_sync_after_unshare.XXXXXX")
start_lttng_sessiond
$TESTAPP_BIN -n "$ns" -i $NUM_EVENT -a "$file_sync_after_unshare" -b "$file_sync_before_last" &
app_pid=$!
- # Let the app do it's thing before entering the synchronisation loop
- sleep 0.5
-
while [ ! -f "$file_sync_after_unshare" ]; do
# Break if the app failed / died
- if [ ! -f "/proc/$app_pid" ]; then
+ if ! kill -0 "$app_pid" ; then
+ echo "# App failed"
break
fi
echo "# Waiting for app..."
touch "$file_sync_before_last"
+ # Wait for the test app to generate all expected events and exit.
+ wait $app_pid
+
# stop and destroy
stop_lttng_tracing_ok "$session_name"
destroy_lttng_session_ok "$session_name"
print_test_banner "$TEST_DESC"
-isroot=0
-if [ "$(id -u)" == "0" ]; then
- isroot=1
-fi
+bail_out_if_no_babeltrace
-skip $isroot "Root access is needed. Skipping all tests." "$NUM_TESTS" && exit 0
+check_skip_kernel_test "$NUM_TESTS" "Skipping all tests." && exit 0
system_has_ns=0
if [ -d "/proc/$$/ns" ]; then
test_ns mnt
test_ns net
#test_ns pid # pid_ns is special, can't be changed that way
+#test_ns time # time_ns is special, can't be changed that way
#test_ns user # user_ns can only be change when the app is single threaded, this is always false for an ust instrumented app
test_ns uts