public inbox for [email protected]
 help / color / mirror / Atom feed
From: Dylan Yudaken <[email protected]>
To: Jens Axboe <[email protected]>,
	Pavel Begunkov <[email protected]>,
	<[email protected]>
Cc: <[email protected]>, Dylan Yudaken <[email protected]>
Subject: [PATCH liburing 4/4] add IORING_RECV_MULTISHOT docs
Date: Tue, 28 Jun 2022 08:04:14 -0700	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

add appropriate docs to io_uring_prep_recvmsg/io_uring_prep_recv man pages

Signed-off-by: Dylan Yudaken <[email protected]>
---
 man/io_uring_prep_recv.3    | 15 +++++++++++++++
 man/io_uring_prep_recvmsg.3 | 15 +++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/man/io_uring_prep_recv.3 b/man/io_uring_prep_recv.3
index 993e331..f929ec8 100644
--- a/man/io_uring_prep_recv.3
+++ b/man/io_uring_prep_recv.3
@@ -60,6 +60,21 @@ operation. If set, the socket still had data to be read after the operation
 completed. Both these flags are available since 5.19.
 .P
 
+.TP
+.B IORING_RECV_MULTISHOT
+If set, io_uring will post a new CQE whenever data is available to read.
+The CQE will try and fill a provided buffer.
+The
+.B IORING_CQE_F_MORE
+flag will be set if the receive is still active and more CQEs will be posted.
+
+It is required that the
+.B IOSQE_BUFFER_SELECT
+flag is set and that
+.B MSG_WAITALL
+is not set.
+.P
+
 .SH RETURN VALUE
 None
 .SH ERRORS
diff --git a/man/io_uring_prep_recvmsg.3 b/man/io_uring_prep_recvmsg.3
index 8c49411..74bfbc8 100644
--- a/man/io_uring_prep_recvmsg.3
+++ b/man/io_uring_prep_recvmsg.3
@@ -61,6 +61,21 @@ operation. If set, the socket still had data to be read after the operation
 completed. Both these flags are available since 5.19.
 .P
 
+.TP
+.B IORING_RECV_MULTISHOT
+If set, io_uring will post a new CQE whenever data is available to read.
+The CQE will try and fill a provided buffer.
+The
+.B IORING_CQE_F_MORE
+flag will be set if the receive is still active and more CQEs will be posted.
+
+It is required that the
+.B IOSQE_BUFFER_SELECT
+flag is set and that
+.B MSG_WAITALL
+is not set.
+.P
+
 .SH RETURN VALUE
 None
 .SH ERRORS
-- 
2.30.2


      parent reply	other threads:[~2022-06-28 15:04 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-28 15:04 [PATCH liburing 0/4] liburing: multishot receive Dylan Yudaken
2022-06-28 15:04 ` [PATCH liburing 1/4] add t_create_socket_pair Dylan Yudaken
2022-06-28 15:04 ` [PATCH liburing 2/4] add IORING_RECV_MULTISHOT to io_uring.h Dylan Yudaken
2022-06-28 16:10   ` Ammar Faizi
2022-06-28 16:12     ` Jens Axboe
2022-06-28 16:12     ` Dylan Yudaken
2022-06-28 15:04 ` [PATCH liburing 3/4] add recv-multishot test Dylan Yudaken
2022-06-28 15:04 ` Dylan Yudaken [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    [email protected] \
    [email protected] \
    [email protected] \
    [email protected] \
    [email protected] \
    [email protected] \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox