 called ‘Callr’&gt;
err$parent$call
#&gt; function() library(Callr)
err$parent$`_pid`
#&gt; [1] 79124</code></pre>
<p><code>err$status</code> is the exit status of the subprocess. This is not present
for persistent background processes, i.e. the ones created by <code>r_session</code>,
because these do not exit on error, but continue running. <code>err$parent</code> is
the error object, thrown in the subprocess. <code>err$parent$call</code> is the call
that generated the error, and <code>err$parent$`_pi