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https://github.com/checkpoint-restore/criu
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a252a240c3
Adds a exit_signal static method to criu_cli, criu_config and criu_rpc used to detect a crash. Fixes: #350 Signed-off-by: Bhavik Sachdev <b.sachdev1904@gmail.com>
48 lines
1.2 KiB
Python
48 lines
1.2 KiB
Python
import os
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import tempfile
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import subprocess
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class criu_config:
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@staticmethod
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def run(action,
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args,
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criu_bin,
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fault=None,
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strace=[],
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preexec=None,
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preload=False,
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nowait=False):
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config_path = tempfile.mktemp(".conf", "criu-%s-" % action)
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with open(config_path, "w") as config_fd:
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for arg in args:
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if arg.startswith("--"):
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config_fd.write("\n")
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arg = arg.strip("-")
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config_fd.write("%s " % arg)
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env = dict(
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os.environ,
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ASAN_OPTIONS="log_path=asan.log:disable_coredump=0:detect_leaks=0"
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)
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if fault:
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print("Forcing %s fault" % fault)
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env['CRIU_FAULT'] = fault
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cr = subprocess.Popen(
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strace +
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[criu_bin, action, "--no-default-config", "--config", config_path],
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env=env,
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close_fds=False,
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preexec_fn=preexec
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)
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if nowait:
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return cr
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return cr.wait()
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@staticmethod
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def exit_signal(ret):
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return ret < 0
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