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| author | Hao Xu <howeyxu@tencent.com> | 2022-05-14 22:35:30 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-05-14 09:15:38 -0600 |
| commit | e7c7089e352f5a6ead9c409a7d8a43ffe9cd59a5 (patch) | |
| tree | 1e451e9b1738bae6cc33999b326b23e7a18faad8 | |
| parent | 19b0d25193330d3cfcd636d4cc2e4ec1ec019271 (diff) | |
| download | liburing-e7c7089e352f5a6ead9c409a7d8a43ffe9cd59a5.tar.gz liburing-e7c7089e352f5a6ead9c409a7d8a43ffe9cd59a5.tar.bz2 | |
liburing.h: support multishot accept
Add a new api to leverage the multishot mode accept, this feature is to
achieve one accept request for all listened events.
Signed-off-by: Hao Xu <howeyxu@tencent.com>
Link: https://lore.kernel.org/r/20220514143534.59162-3-haoxu.linux@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | src/include/liburing.h | 10 | ||||
| -rw-r--r-- | src/include/liburing/io_uring.h | 5 |
2 files changed, 15 insertions, 0 deletions
diff --git a/src/include/liburing.h b/src/include/liburing.h index 5c03061..cf50383 100644 --- a/src/include/liburing.h +++ b/src/include/liburing.h @@ -502,6 +502,16 @@ static inline void io_uring_prep_accept_direct(struct io_uring_sqe *sqe, int fd, __io_uring_set_target_fixed_file(sqe, file_index); } +static inline void io_uring_prep_multishot_accept(struct io_uring_sqe *sqe, + int fd, struct sockaddr *addr, + socklen_t *addrlen, int flags) +{ + io_uring_prep_rw(IORING_OP_ACCEPT, sqe, fd, addr, 0, + (__u64) (unsigned long) addrlen); + sqe->accept_flags = (__u32) flags; + sqe->ioprio |= IORING_ACCEPT_MULTISHOT; +} + static inline void io_uring_prep_cancel(struct io_uring_sqe *sqe, __u64 user_data, int flags) { diff --git a/src/include/liburing/io_uring.h b/src/include/liburing/io_uring.h index bfb3548..46765d2 100644 --- a/src/include/liburing/io_uring.h +++ b/src/include/liburing/io_uring.h @@ -434,6 +434,11 @@ struct io_uring_getevents_arg { __u64 ts; }; +/* + * accept flags stored in sqe->ioprio + */ +#define IORING_ACCEPT_MULTISHOT (1U << 0) + #ifdef __cplusplus } #endif |