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3 Commits

Author SHA1 Message Date
Dmitry Vyukov
bdb7b93f25 pkg/osutil: kill subprocesses more reliably 
In some cases we start scp, which starts ssh,
then kill scp but the ssh subprocess is not killed.
As the result cmd.Wait hangs waiting for EOF on the stdout/stderr,
which are still kept alive by ssh subprocess. But ssh just hangs forever.

Create a process group for each command and kill whole process group.
Hopefully this will help.
 2019-03-18 10:52:18 +01:00
Dmitry Vyukov
2f7fc0ff65 pkg/kernel: sandbox make invocation 2017-11-17 14:56:34 +03:00
Dmitry Vyukov
c4d43f4773 pkg/osutil: don't leace runaway processes 
When manager is stopped there are sometimes runaway qemu
processes still running. Set PDEATHSIG for all subprocesses.
We never need child processes outliving parents.
 2017-11-16 12:48:02 +01:00