io_uring/net: add IORING_ACCEPT_DONTWAIT flag

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This allows the caller to perform a non-blocking attempt, similarly to
how recvmsg has MSG_DONTWAIT. If set, and we get -EAGAIN on a connection
attempt, propagate the result to userspace rather than arm poll and
wait for a retry.

Suggested-by: Norman Maurer <norman_maurer@apple.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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This commit is contained in:

Jens Axboe 2024-05-07 14:06:15 -06:00

parent 340f634aa4

commit 7dcc758cca

2 changed files with 10 additions and 6 deletions

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1

include/uapi/linux/io_uring.h

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15

io_uring/net.c

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