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tests: Terminate sigma_dut more forcefully if needed

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Wait for stdout/stderr in a more robust manner to avoid blocking the
pipes and kill the sigma_dut process if it fails to terminate cleanly.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2023-11-04 12:31:23 +02:00
parent 0776c51ed7
commit cefd959566
1 changed files with 11 additions and 4 deletions
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15
tests/hwsim/test_sigma_dut.py
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@ -164,10 +164,17 @@ def stop_sigma_dut(sigma):
sigma_log_output(cmd)
logger.debug("Terminating sigma_dut process")
cmd.terminate()
cmd.wait()
out, err = cmd.communicate()
logger.debug("sigma_dut stdout: " + str(out.decode()))
logger.debug("sigma_dut stderr: " + str(err.decode()))
try:
out, err = cmd.communicate(timeout=200)
logger.debug("sigma_dut stdout: " + str(out.decode()))
logger.debug("sigma_dut stderr: " + str(err.decode()))
except subprocess.TimeoutExpired:
logger.debug("sigma_dut termination timed out")
cmd.kill()
out, err = cmd.communicate()
logger.debug("sigma_dut stdout: " + str(out.decode()))
logger.debug("sigma_dut stderr: " + str(err.decode()))
subprocess.call(["ip", "addr", "del", "dev", sigma['ifname'],
"127.0.0.11/24"],
stderr=open('/dev/null', 'w'))