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Signed-off-by: Ophestra <cat@gensokyo.uk>
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This works around the page size limit at the cost of negligible performance regressions.
Closes #34.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This does not make sense as part of the public API, so make it internal.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This removes netpoll boilerplate for the most common use case.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This package solves a very specific stubbing use case, in a less than elegant manner.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This matches os package behaviour, and avoids adding the cleanup.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This enables loopback networking when owning the net namespace.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This ensures consistent state observed by wait4 loop when running against stub.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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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>
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This is useful for daemons internal to the container. The only current use case is pipewire-pulse.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This enables its use in hst for #15.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Most tests already had no global state, however parallel was never enabled. This change enables it for all applicable tests.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This package is quite useful. This change allows it to be imported without importing container.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This frees all container instances of side effects.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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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>
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This synchronises the wait4 return after the toplevel signal call in lowlastcap_signaled_cancel_forward_error.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This gets inlined and does not cause problems usually but turns out -coverpkg uninlines it and breaks the recovery.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Turns out the reporting methods are not safe for concurrent use, despite the claim in testing.T doc comment.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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FailNow, Fatal, Fatalf, SkipNow, Skip and Skipf must be called from the goroutine created by the test.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This keeps composites analysis happy without making the test cases (too) bloated.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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These are very useful in many packages containing relatively large amount of code making calls to difficult or impossible to stub functions.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Again, avoids the errors package concealing unexpected behaviours.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Using the errors package might conceal some incorrect behaviour.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Turns out testing.T does not like being called in defer.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This used to be entirely done via integration tests, with almost no hope of error injection and coverage profile. These tests significantly increase confidence of future work in this area.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This allows instrumentation of calls from goroutine without relying on finalizers.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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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>
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The file is very difficult to stub. Pass fd instead as it is the value that is actually useful.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This degrades test performance if not stubbed out.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This allows path and mount functions to be instrumented.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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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>
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