diff --git a/tests/sys/sound/Makefile b/tests/sys/sound/Makefile --- a/tests/sys/sound/Makefile +++ b/tests/sys/sound/Makefile @@ -5,6 +5,7 @@ ATF_TESTS_C+= pcm_read_write ATF_TESTS_C+= polling ATF_TESTS_C+= sndstat +ATF_TESTS_SH+= hotunload CFLAGS+= -I${SRCTOP}/sys LDFLAGS+= -lnv diff --git a/tests/sys/sound/hotunload.sh b/tests/sys/sound/hotunload.sh new file mode 100644 --- /dev/null +++ b/tests/sys/sound/hotunload.sh @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: BSD-2-Clause +# +# Copyright (c) 2025 The FreeBSD Foundation +# +# This software was developed by Christos Margiolis +# under sponsorship from the FreeBSD Foundation. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. + +atf_test_case hotunload cleanup +hotunload_head() +{ + atf_set "descr" "Test hot-unload" + atf_set "require.kmods" "snd_dummy" + atf_set "require.user" "root" +} +hotunload_body() +{ + local loops=512 + + for i in $(seq 1 ${loops}); do + cat /dev/random >/dev/dsp.dummy & + cat /dev/dsp.dummy >/dev/null & + done + kldunload -n snd_dummy +} +hotunload_cleanup() +{ + kldload -n snd_dummy +} + +atf_init_test_cases() +{ + atf_add_test_case hotunload +}