| /* |
| * Description: test SQ queue space left |
| * |
| */ |
| #include <errno.h> |
| #include <stdio.h> |
| #include <unistd.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <fcntl.h> |
| |
| #include "liburing.h" |
| |
| int main(int argc, char *argv[]) |
| { |
| struct io_uring_sqe *sqe; |
| struct io_uring ring; |
| int ret, i = 0, s; |
| |
| ret = io_uring_queue_init(8, &ring, 0); |
| if (ret) { |
| printf("ring setup failed\n"); |
| return 1; |
| |
| } |
| |
| if ((s = io_uring_sq_space_left(&ring)) != 8) { |
| printf("Got %d SQEs left, expected %d\n", s, 8); |
| goto err; |
| } |
| |
| i = 0; |
| while ((sqe = io_uring_get_sqe(&ring)) != NULL) { |
| i++; |
| if ((s = io_uring_sq_space_left(&ring)) != 8 - i) { |
| printf("Got %d SQEs left, expected %d\n", s, 8 - i); |
| goto err; |
| } |
| } |
| |
| if (i != 8) { |
| printf("Got %d SQEs, expected %d\n", i, 8); |
| goto err; |
| } |
| |
| io_uring_queue_exit(&ring); |
| return 0; |
| err: |
| io_uring_queue_exit(&ring); |
| return 1; |
| } |