Due to the special nature of the init process, direct use of wait outside the wait4 loop is racy. This change copies the wstatus from wait4 loop state instead.
Signed-off-by: Ophestra <cat@gensokyo.uk>
This makes it possible to optionally omit the identifying verbose message, for when the Op implementation can provide a much more useful message in its case, using information not yet available to the String method.
Signed-off-by: Ophestra <cat@gensokyo.uk>
This helps indicate the exact origin and nature of the error. This eliminates generic WrapErr from container.
Signed-off-by: Ophestra <cat@gensokyo.uk>
Scheduler nondeterminism cannot be accounted for, so do this instead.
There should not be any performance penalty as these calls are optimised out for direct.
Signed-off-by: Ophestra <cat@gensokyo.uk>
This allows tests to stub all kernel behaviour, enabling measurement of all function call arguments and error injection.
Signed-off-by: Ophestra <cat@gensokyo.uk>
