man/io_uring_prep_accept.3: SOCK_CLOEXEC isn't supported with direct …

…files SOCK_CLOEXEC is only supported with regular file descriptors, the direct descriptors currently do not support automatic closing on exec. Link: #1330 Signed-off-by: Jens Axboe <[email protected]>
axboe · Jan 17, 2025 · 19134a8 · 19134a8
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commit 19134a8
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diff --git a/man/io_uring_prep_accept.3 b/man/io_uring_prep_accept.3
@@ -187,6 +187,12 @@ behavior by inspecting the
 .B IORING_FEAT_SUBMIT_STABLE
 flag passed back from
 .BR io_uring_queue_init_params (3).
+.P
+Note that the direct versions of accept do not accept
+.B SOCK_CLOEXEC ,
+and setting that flag will result in an
+.B -EINVAL
+error in the CQE.
 .SH SEE ALSO
 .BR io_uring_get_sqe (3),
 .BR io_uring_submit (3),