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For draining the socket receive buffer.
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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These are more flexible than recvfrom/sendto.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This enables abstractions around some families to be implemented in a separate package.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Not every received message is a reply.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This also gets rid of the cached pid value for port since that prevents multiple sockets from being open at once.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This also uses an array type for the buffer since its size now uses the hardcoded value found in the kernel.
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 enables use with blocking calls like when used with NETLINK_KOBJECT_UEVENT.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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The previous API makes it impossible to retrieve remaining messages in the current iteration.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This enables use with epoll for receiving events only.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This is useful for uevent implementation.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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