[RFC PATCH liburing v1 2/2] man: Add `io_uring_prep_sendto()`

From: Ammar Faizi
Date: Sat Apr 15 2023 - 12:58:45 EST


Signed-off-by: Ammar Faizi <ammarfaizi2@xxxxxxxxxxx>
---
CHANGELOG | 1 +
man/io_uring_prep_send.3 | 31 +++++++++++++++++++++++++++++++
man/io_uring_prep_sendto.3 | 1 +
3 files changed, 33 insertions(+)
create mode 120000 man/io_uring_prep_sendto.3

diff --git a/CHANGELOG b/CHANGELOG
index 85e02a280d4a7c45..71ca3919e114d858 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -14,6 +14,7 @@ liburing-2.4 release
io_uring_prep_openat2_direct(), io_uring_prep_msg_ring_fd(), and
io_uring_prep_socket_direct() factor in being called with
IORING_FILE_INDEX_ALLOC for allocating a direct descriptor.
+- Add io_uring_prep_sendto() function.

liburing-2.3 release

diff --git a/man/io_uring_prep_send.3 b/man/io_uring_prep_send.3
index 3bdc96751ebfb230..b555ec3a8548c449 100644
--- a/man/io_uring_prep_send.3
+++ b/man/io_uring_prep_send.3
@@ -14,6 +14,14 @@ io_uring_prep_send \- prepare a send request
.BI " const void *" buf ","
.BI " size_t " len ","
.BI " int " flags ");"
+.PP
+.BI "void io_uring_prep_sendto(struct io_uring_sqe *" sqe ","
+.BI " int " sockfd ","
+.BI " const void *" buf ","
+.BI " size_t " len ","
+.BI " int " flags ","
+.BI " const struct sockaddr *" addr ","
+.BI " socklen_t " addrlen ");"
.fi
.SH DESCRIPTION
.PP
@@ -43,6 +51,28 @@ This function prepares an async
.BR send (2)
request. See that man page for details.

+The
+.BR io_uring_prep_sendto (3)
+function prepares a sendto request. The submission queue entry
+.I sqe
+is setup to use the file descriptor
+.I sockfd
+to start sending the data from
+.I buf
+of size
+.I len
+bytes and with modifier flags
+.IR flags .
+The destination address is specified by
+.I addr
+and
+.I addrlen
+and must be a valid address for the socket type.
+
+This function prepares an async
+.BR sendto (2)
+request. See that man page for details.
+
.SH RETURN VALUE
None
.SH ERRORS
@@ -64,3 +94,4 @@ field.
.BR io_uring_get_sqe (3),
.BR io_uring_submit (3),
.BR send (2)
+.BR sendto (2)
diff --git a/man/io_uring_prep_sendto.3 b/man/io_uring_prep_sendto.3
new file mode 120000
index 0000000000000000..ba85e68453fe6dcb
--- /dev/null
+++ b/man/io_uring_prep_sendto.3
@@ -0,0 +1 @@
+io_uring_prep_send.3
\ No newline at end of file
--
Ammar Faizi