xref: /aosp_15_r20/external/liburing/test/sq-full.c (revision 25da2bea747f3a93b4c30fd9708b0618ef55a0e6)
1*25da2beaSAndroid Build Coastguard Worker /* SPDX-License-Identifier: MIT */
2*25da2beaSAndroid Build Coastguard Worker /*
3*25da2beaSAndroid Build Coastguard Worker  * Description: test SQ queue full condition
4*25da2beaSAndroid Build Coastguard Worker  *
5*25da2beaSAndroid Build Coastguard Worker  */
6*25da2beaSAndroid Build Coastguard Worker #include <errno.h>
7*25da2beaSAndroid Build Coastguard Worker #include <stdio.h>
8*25da2beaSAndroid Build Coastguard Worker #include <unistd.h>
9*25da2beaSAndroid Build Coastguard Worker #include <stdlib.h>
10*25da2beaSAndroid Build Coastguard Worker #include <string.h>
11*25da2beaSAndroid Build Coastguard Worker #include <fcntl.h>
12*25da2beaSAndroid Build Coastguard Worker 
13*25da2beaSAndroid Build Coastguard Worker #include "liburing.h"
14*25da2beaSAndroid Build Coastguard Worker 
main(int argc,char * argv[])15*25da2beaSAndroid Build Coastguard Worker int main(int argc, char *argv[])
16*25da2beaSAndroid Build Coastguard Worker {
17*25da2beaSAndroid Build Coastguard Worker 	struct io_uring_sqe *sqe;
18*25da2beaSAndroid Build Coastguard Worker 	struct io_uring ring;
19*25da2beaSAndroid Build Coastguard Worker 	int ret, i;
20*25da2beaSAndroid Build Coastguard Worker 
21*25da2beaSAndroid Build Coastguard Worker 	if (argc > 1)
22*25da2beaSAndroid Build Coastguard Worker 		return 0;
23*25da2beaSAndroid Build Coastguard Worker 
24*25da2beaSAndroid Build Coastguard Worker 	ret = io_uring_queue_init(8, &ring, 0);
25*25da2beaSAndroid Build Coastguard Worker 	if (ret) {
26*25da2beaSAndroid Build Coastguard Worker 		fprintf(stderr, "ring setup failed: %d\n", ret);
27*25da2beaSAndroid Build Coastguard Worker 		return 1;
28*25da2beaSAndroid Build Coastguard Worker 
29*25da2beaSAndroid Build Coastguard Worker 	}
30*25da2beaSAndroid Build Coastguard Worker 
31*25da2beaSAndroid Build Coastguard Worker 	i = 0;
32*25da2beaSAndroid Build Coastguard Worker 	while ((sqe = io_uring_get_sqe(&ring)) != NULL)
33*25da2beaSAndroid Build Coastguard Worker 		i++;
34*25da2beaSAndroid Build Coastguard Worker 
35*25da2beaSAndroid Build Coastguard Worker 	if (i != 8) {
36*25da2beaSAndroid Build Coastguard Worker 		fprintf(stderr, "Got %d SQEs, wanted 8\n", i);
37*25da2beaSAndroid Build Coastguard Worker 		goto err;
38*25da2beaSAndroid Build Coastguard Worker 	}
39*25da2beaSAndroid Build Coastguard Worker 
40*25da2beaSAndroid Build Coastguard Worker 	io_uring_queue_exit(&ring);
41*25da2beaSAndroid Build Coastguard Worker 	return 0;
42*25da2beaSAndroid Build Coastguard Worker err:
43*25da2beaSAndroid Build Coastguard Worker 	io_uring_queue_exit(&ring);
44*25da2beaSAndroid Build Coastguard Worker 	return 1;
45*25da2beaSAndroid Build Coastguard Worker }
46