diff options
Diffstat (limited to 'man/io_uring_cqe_get_data.3')
| -rw-r--r-- | man/io_uring_cqe_get_data.3 | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/man/io_uring_cqe_get_data.3 b/man/io_uring_cqe_get_data.3 index 9112ee3..4cbb32c 100644 --- a/man/io_uring_cqe_get_data.3 +++ b/man/io_uring_cqe_get_data.3 @@ -10,30 +10,43 @@ io_uring_cqe_get_data \- get user data for completion event .B #include <liburing.h> .PP .BI "void *io_uring_cqe_get_data(struct io_uring_cqe *" cqe ");" +.BI " +.BI "__u64 io_uring_cqe_get_data64(struct io_uring_cqe *" cqe ");" .fi .SH DESCRIPTION .PP The .BR io_uring_cqe_get_data (3) function returns the user_data with the completion queue entry -.IR cqe . +.IR cqe +as a data pointer. + +The +.BR io_uring_cqe_get_data64 (3) +function returns the user_data with the completion queue entry +.IR cqe +as a 64-bit data value. After the caller has received a completion queue entry (CQE) with .BR io_uring_wait_cqe (3), the application can call .BR io_uring_cqe_get_data (3) +or +.BR io_uring_cqe_get_data64 (3) function to retrieve the .I user_data value. This requires that .I user_data has been set earlier with the function -.BR io_uring_sqe_set_data (3). +.BR io_uring_sqe_set_data (3) +or +.BR io_uring_sqe_set_data64 (3). .SH RETURN VALUE If the .I user_data -value has been set before submitting the request, it will be returned. Otherwise -the functions returns NULL. +value has been set before submitting the request, it will be returned. +Otherwise the functions returns NULL. .SH SEE ALSO .BR io_uring_get_sqe (3), .BR io_uring_sqe_set_data (3), |