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| author |  Jens Axboe <axboe@kernel.dk>
| 2024-05-07 14:06:15 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk>
| 2024-05-09 12:22:03 -0600 |
| commit | 7dcc758cca432510f77b2fe1077be2314bc3785b (patch) | |
| tree | bf8af33ed114eef8e8f75b1803d8ea0432bad5d5 /include/uapi | |
| parent | io_uring/filetable: don't unnecessarily clear/reset bitmap (diff) | |
| download | linux-7dcc758cca432510f77b2fe1077be2314bc3785b.tar.gz linux-7dcc758cca432510f77b2fe1077be2314bc3785b.tar.bz2 linux-7dcc758cca432510f77b2fe1077be2314bc3785b.zip | |
io_uring/net: add IORING_ACCEPT_DONTWAIT flag
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>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/io_uring.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h index f093cb2300d9..4a645d15516f 100644 --- a/include/uapi/linux/io_uring.h +++ b/include/uapi/linux/io_uring.h @@ -379,6 +379,7 @@ enum io_uring_op { * accept flags stored in sqe->ioprio */ #define IORING_ACCEPT_MULTISHOT (1U << 0) +#define IORING_ACCEPT_DONTWAIT (1U << 1) /* * IORING_OP_MSG_RING command types, stored in sqe->addr |