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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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The vfs stores these values in a page obtained via GFP, and silently stops copying once the page is filled. This check prevents confusing behaviour in such cases.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This is not possible to use directly, so remove it from the public API.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This is subtle to use correctly. It also does not make sense as part of the container API.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This usually ends up in the buffer, or completes well before the deadline, however this can still timeout on a very slow system.
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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The API forces use of finalizer to close the read end of the setup pipe, which is no longer considered acceptable. Exporting this as part of package container also imposes unnecessary maintenance burden.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This enables transparently degradable tests to be forced on in environments known to support them.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Explicitly requiring landlock in tests will be supported in a future change.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This overlaps with net namespace, so can be skipped without degrading security.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This is not considered an error, if the process finishes while the signal is being delivered.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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These timeouts are no longer useful, and causes spurious test failures under load.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This makes package check portable, and removes nonportable behaviour from package pkg, pipewire, and system. All other packages remain nonportable due to their nature. No latency increase was observed due to this change on amd64 and arm64 linux.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This is done by both systemd sd-device and AOSP ueventd to improve robustness. Rosa OS will still handle ENOBUFS via coldboot but a big buffer should mitigate this as well.
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 package is not container-specific.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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These are generally useful, and none of them are container-specific. Syscalls subtle to use and requiring container-specific setup remains in container.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This package is not container specific, and widely used across the project.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This package is not container-specific.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This is guarded behind the close_range build tag for now.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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For portably using C integers without cgo.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Closes #24.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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These are too general to belong in the container package. This targets the v0.4 release to reduce the wrapper maintenance burden.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This is adapted from the container netlink implementation and is much more reusable.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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The more explicit API removes the arbitrary limit preventing use of SCHED_OTHER (referred to as SCHED_NORMAL in the kernel). This change also exposes priority value to set.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This is more helpful than having the user resolve the integer.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This avoids depending on cgo.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Signed-off-by: Ophestra <cat@gensokyo.uk>
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This also uses priority obtained via sched_get_priority_min, and improves bounds checking.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Aliases will be kept until 0.4.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This is a more reliable form of pathname to self and also cheaper than os.Executable.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This change removes inconsistencies collected over time in this package.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This is thread-directed so cannot be done externally. The glibc wrapper exposes this behaviour so most multithreaded programs using this is straight up incorrect.
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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These can be set to anything by the distribution.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This change also improves plumbing for stripping options.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This target is unlikely to become viable any time soon.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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These are not fully controlled by hakurei and may change depending on host configuration.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This compiles GNU make from source. This is unfortunately required by many programs, but is a cure dependency only.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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The struct turned out not necessary during initial implementation but was not unwrapped into its single string field. This change replaces it with the underlying string and removes the indirection.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This improves performance in heavy users like internal/pkg.
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 is required for the typical daemonise use case.
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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This avoids a race between returning from syscall and checking the state.
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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Blocking prevents further wait4 processing causing ops to never receive their signals.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This now falls back to message.Error if no other concrete type is matched.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This includes the string for the failing op which helps with troubleshooting.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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