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v0.5.0-rc.0

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@fhunleth fhunleth released this 21 Aug 18:44
v0.5.0-rc.0
22275a2

This update contains many changes throughout. If you're using cgroups, please
review the changes as they likely affect your code.

  • New features

    • Added :cgroup_base. The preferred way of using cgroups now is for MuonTrap
      to create a sub-cgroup for running the command. This removes the need to
      keep track of cgroup paths on your own when you run more than one command at
      a time. :cgroup_path is still available.
    • Almost all inconsistencies between MuonTrap.Daemon and MuonTrap.cmd/3 have
      been fixed. As a result, MuonTrap.Daemon detects and raises more exceptions
      than previous. It is possible that code that worked before will now break.
    • MuonTrap.Daemon sets its exit status based on the process's exit code.
      Successful exit codes (exit code 0) exit :normal and failed exit codes
      (anything else) do not. This makes it possible to use the Supervisor
      :temporary restart strategy that only restarts failures.
    • MuonTrap.Daemon supports a :name parameter for setting GenServer names.
    • MuonTrap.Daemon cgget and cgset helpers return ok/error tuples now since
      it was too easy to accidentally call them such that they'd raise.

  • Bug fixes

    • Forcefully killed processes would get stuck in a zombie state until the kill
      timeout expired due to a missing call to wait(2). This has been fixed.
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