1 files changed, 50 insertions, 0 deletions
diff --git a/tests/ts/lsfd/mkfds-rw-character-device b/tests/ts/lsfd/mkfds-rw-character-device
new file mode 100755
index 0000000..4f368f6
--- /dev/null
+++ b/tests/ts/lsfd/mkfds-rw-character-device
@@ -0,0 +1,50 @@
+#!/bin/bash
+#
+# Copyright (C) 2021 Masatake YAMATO <yamato@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="${0%/*}/../.."
+TS_DESC="character device with O_RDWR"
+
+. $TS_TOPDIR/functions.sh
+ts_init "$*"
+
+. $TS_SELF/lsfd-functions.bash
+
+ts_check_test_command "$TS_CMD_LSFD"
+
+ts_check_test_command "$TS_HELPER_MKFDS"
+
+ts_cd "$TS_OUTDIR"
+
+PID=
+FD=3
+EXPR=
+
+{
+    target=/dev/zero
+    coproc MKFDS { "$TS_HELPER_MKFDS" rw-character-device $FD chrdev=$target; }
+    if read -u ${MKFDS[0]} PID; then
+	EXPR='(PID == '"${PID}"') and (FD == '"$FD"')'
+	${TS_CMD_LSFD} -n -o ASSOC,MODE,TYPE,NAME,SOURCE,POS,MAJ:MIN,CHRDRV,DEVTYPE,RDEV -Q "${EXPR}"
+	echo 'ASSOC,MODE,TYPE,NAME,SOURCE,POS,MAJ:MIN,CHRDRV,DEVTYPE,RDEV': $?
+
+	lsfd_compare_dev "${TS_CMD_LSFD}" $target "${EXPR}"
+
+	kill -CONT ${PID}
+	wait ${MKFDS_PID}
+    fi
+} > $TS_OUTPUT 2>&1
+
+ts_finalize