13a1d4a71b
The tests 033, 140, 145 and 157 were all broken when run with LUKS, since they did not correctly use the required image opts args syntax to specify the decryption secret. Further, the 120 test simply does not make sense to run with luks, as the scenario exercised is not relevant. The test 181 was broken when run with LUKS because it didn't take account of fact that $TEST_IMG was already in image opts syntax. The launch_qemu helper also didn't register the secret object providing the LUKS password. Reviewed-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20170626123510.20134-3-berrange@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
235 lines
7.2 KiB
Bash
235 lines
7.2 KiB
Bash
#!/bin/bash
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#
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# This allows for launching of multiple QEMU instances, with independent
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# communication possible to each instance.
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#
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# Each instance can choose, at launch, to use either the QMP or the
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# HMP (monitor) interface.
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#
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# All instances are cleaned up via _cleanup_qemu, including killing the
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# running qemu instance.
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#
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# Copyright (C) 2014 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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QEMU_COMM_TIMEOUT=10
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QEMU_FIFO_IN="${QEMU_TEST_DIR}/qmp-in-$$"
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QEMU_FIFO_OUT="${QEMU_TEST_DIR}/qmp-out-$$"
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QEMU_HANDLE=0
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# If bash version is >= 4.1, these will be overwritten and dynamic
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# file descriptor values assigned.
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_out_fd=3
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_in_fd=4
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# Wait for expected QMP response from QEMU. Will time out
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# after 10 seconds, which counts as failure.
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#
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# Override QEMU_COMM_TIMEOUT for a timeout different than the
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# default 10 seconds
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#
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# $1: The handle to use
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# $2+ All remaining arguments comprise the string to search for
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# in the response.
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#
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# If $silent is set to anything but an empty string, then
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# response is not echoed out.
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function _timed_wait_for()
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{
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local h=${1}
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shift
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QEMU_STATUS[$h]=0
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while read -t ${QEMU_COMM_TIMEOUT} resp <&${QEMU_OUT[$h]}
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do
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if [ -z "${silent}" ]; then
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echo "${resp}" | _filter_testdir | _filter_qemu \
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| _filter_qemu_io | _filter_qmp | _filter_hmp
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fi
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grep -q "${*}" < <(echo ${resp})
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if [ $? -eq 0 ]; then
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return
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fi
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done
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QEMU_STATUS[$h]=-1
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if [ -z "${qemu_error_no_exit}" ]; then
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echo "Timeout waiting for ${*} on handle ${h}"
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exit 1 # Timeout means the test failed
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fi
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}
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# Sends QMP or HMP command to QEMU, and waits for the expected response
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#
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# $1: QEMU handle to use
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# $2: String of the QMP command to send
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# ${@: -1} (Last string passed)
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# String that the QEMU response should contain. If it is a null
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# string, do not wait for a response
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#
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# Set qemu_cmd_repeat to the number of times to repeat the cmd
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# until either timeout, or a response. If it is not set, or <=0,
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# then the command is only sent once.
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#
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# If $qemu_error_no_exit is set, then even if the expected response
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# is not seen, we will not exit. $QEMU_STATUS[$1] will be set it -1 in
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# that case.
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function _send_qemu_cmd()
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{
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local h=${1}
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local count=1
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local cmd=
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local use_error=${qemu_error_no_exit}
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shift
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if [ ${qemu_cmd_repeat} -gt 0 ] 2>/dev/null; then
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count=${qemu_cmd_repeat}
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use_error="no"
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fi
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# This array element extraction is done to accommodate pathnames with spaces
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cmd=${@: 1:${#@}-1}
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shift $(($# - 1))
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while [ ${count} -gt 0 ]
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do
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echo "${cmd}" >&${QEMU_IN[${h}]}
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if [ -n "${1}" ]; then
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qemu_error_no_exit=${use_error} _timed_wait_for ${h} "${1}"
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if [ ${QEMU_STATUS[$h]} -eq 0 ]; then
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return
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fi
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fi
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let count--;
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done
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if [ ${QEMU_STATUS[$h]} -ne 0 ] && [ -z "${qemu_error_no_exit}" ]; then
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echo "Timeout waiting for ${1} on handle ${h}"
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exit 1 #Timeout means the test failed
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fi
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}
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# Launch a QEMU process.
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#
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# Input parameters:
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# $qemu_comm_method: set this variable to 'monitor' (case insensitive)
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# to use the QEMU HMP monitor for communication.
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# Otherwise, the default of QMP is used.
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# $keep_stderr: Set this variable to 'y' to keep QEMU's stderr output on stderr.
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# If this variable is empty, stderr will be redirected to stdout.
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# Returns:
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# $QEMU_HANDLE: set to a handle value to communicate with this QEMU instance.
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#
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function _launch_qemu()
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{
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local comm=
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local fifo_out=
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local fifo_in=
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if (shopt -s nocasematch; [[ "${qemu_comm_method}" == "monitor" ]])
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then
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comm="-monitor stdio"
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else
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local qemu_comm_method="qmp"
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comm="-monitor none -qmp stdio"
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fi
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fifo_out=${QEMU_FIFO_OUT}_${_QEMU_HANDLE}
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fifo_in=${QEMU_FIFO_IN}_${_QEMU_HANDLE}
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mkfifo "${fifo_out}"
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mkfifo "${fifo_in}"
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object_options=
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if [ -n "$IMGKEYSECRET" ]; then
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object_options="--object secret,id=keysec0,data=$IMGKEYSECRET"
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fi
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if [ -z "$keep_stderr" ]; then
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QEMU_NEED_PID='y'\
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${QEMU} ${object_options} -nographic -serial none ${comm} "${@}" >"${fifo_out}" \
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2>&1 \
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<"${fifo_in}" &
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elif [ "$keep_stderr" = "y" ]; then
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QEMU_NEED_PID='y'\
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${QEMU} ${object_options} -nographic -serial none ${comm} "${@}" >"${fifo_out}" \
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<"${fifo_in}" &
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else
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exit 1
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fi
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if [[ "${BASH_VERSINFO[0]}" -ge "5" ||
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("${BASH_VERSINFO[0]}" -ge "4" && "${BASH_VERSINFO[1]}" -ge "1") ]]
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then
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# bash >= 4.1 required for automatic fd
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exec {_out_fd}<"${fifo_out}"
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exec {_in_fd}>"${fifo_in}"
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else
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let _out_fd++
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let _in_fd++
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eval "exec ${_out_fd}<'${fifo_out}'"
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eval "exec ${_in_fd}>'${fifo_in}'"
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fi
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QEMU_OUT[${_QEMU_HANDLE}]=${_out_fd}
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QEMU_IN[${_QEMU_HANDLE}]=${_in_fd}
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QEMU_STATUS[${_QEMU_HANDLE}]=0
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if [ "${qemu_comm_method}" == "qmp" ]
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then
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# Don't print response, since it has version information in it
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silent=yes _timed_wait_for ${_QEMU_HANDLE} "capabilities"
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fi
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QEMU_HANDLE=${_QEMU_HANDLE}
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let _QEMU_HANDLE++
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}
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# Silenty kills the QEMU process
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#
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# If $wait is set to anything other than the empty string, the process will not
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# be killed but only waited for, and any output will be forwarded to stdout. If
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# $wait is empty, the process will be killed and all output will be suppressed.
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function _cleanup_qemu()
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{
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# QEMU_PID[], QEMU_IN[], QEMU_OUT[] all use same indices
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for i in "${!QEMU_OUT[@]}"
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do
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local QEMU_PID
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if [ -f "${QEMU_TEST_DIR}/qemu-${i}.pid" ]; then
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read QEMU_PID < "${QEMU_TEST_DIR}/qemu-${i}.pid"
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rm -f "${QEMU_TEST_DIR}/qemu-${i}.pid"
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if [ -z "${wait}" ] && [ -n "${QEMU_PID}" ]; then
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kill -KILL ${QEMU_PID} 2>/dev/null
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fi
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if [ -n "${QEMU_PID}" ]; then
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wait ${QEMU_PID} 2>/dev/null # silent kill
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fi
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fi
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if [ -n "${wait}" ]; then
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cat <&${QEMU_OUT[$i]} | _filter_testdir | _filter_qemu \
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| _filter_qemu_io | _filter_qmp | _filter_hmp
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fi
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rm -f "${QEMU_FIFO_IN}_${i}" "${QEMU_FIFO_OUT}_${i}"
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eval "exec ${QEMU_IN[$i]}<&-" # close file descriptors
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eval "exec ${QEMU_OUT[$i]}<&-"
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unset QEMU_IN[$i]
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unset QEMU_OUT[$i]
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done
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}
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