Ubic::Daemon::OS - base class for os-specific daemon methods
Get pid's guid. Guid is some kind of additional process identifier on systems where we can think of one.
On Linux, for example, it's the timestamp in jiffies when process started.
Returns undef if pid not found, throws exception on other errors.
Get process cmd line from pid.
Close all file descriptors except ones specified as arguments.
Check if process with given pid exists.
Vyacheslav Matyukhin <email@example.com>
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