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/* SPDX-License-Identifier: MIT */
/*
* Description: test IORING_SETUP_SUBMIT_ALL
*
*/
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include "liburing.h"
static int test(struct io_uring *ring, int expect_drops)
{
struct io_uring_sqe *sqe;
char buf[32];
int ret, i;
for (i = 0; i < 4; i++) {
sqe = io_uring_get_sqe(ring);
if (!sqe) {
fprintf(stderr, "get sqe failed\n");
goto err;
}
io_uring_prep_nop(sqe);
}
/* prep two invalid reads, these will fail */
for (i = 0; i < 2; i++) {
sqe = io_uring_get_sqe(ring);
if (!sqe) {
fprintf(stderr, "get sqe failed\n");
goto err;
}
io_uring_prep_read(sqe, 128, buf, sizeof(buf), 0);
sqe->ioprio = (short) -1;
}
ret = io_uring_submit(ring);
if (expect_drops) {
if (ret != 5) {
fprintf(stderr, "drops submit failed: %d\n", ret);
goto err;
}
} else {
if (ret != 6) {
fprintf(stderr, "no drops submit failed: %d\n", ret);
goto err;
}
}
return 0;
err:
return 1;
}
int main(int argc, char *argv[])
{
struct io_uring ring;
int ret;
if (argc > 1)
return 0;
ret = io_uring_queue_init(8, &ring, IORING_SETUP_SUBMIT_ALL);
if (ret)
return 0;
ret = test(&ring, 0);
if (ret) {
fprintf(stderr, "test no drops failed\n");
return ret;
}
io_uring_queue_exit(&ring);
ret = io_uring_queue_init(8, &ring, 0);
if (ret) {
fprintf(stderr, "ring setup failed\n");
return 0;
}
ret = test(&ring, 1);
if (ret) {
fprintf(stderr, "test drops failed\n");
return ret;
}
return 0;
}
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