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/*
* Description: test io_uring poll cancel handling
*
*/
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <sys/poll.h>
#include <sys/wait.h>
#include "../src/liburing.h"
int main(int argc, char *argv[])
{
struct io_uring ring;
int pipe1[2];
struct io_uring_cqe *cqe;
struct io_uring_sqe *sqe;
void *addr;
int ret;
if (pipe(pipe1) != 0) {
printf("pipe failed\n");
return 1;
}
ret = io_uring_queue_init(2, &ring, 0);
if (ret) {
printf("child: ring setup failed\n");
return 1;
}
sqe = io_uring_get_sqe(&ring);
if (!sqe) {
printf("child: get sqe failed\n");
return 1;
}
io_uring_prep_poll(sqe, pipe1[0], POLLIN);
io_uring_sqe_set_data(sqe, sqe);
addr = sqe;
ret = io_uring_submit(&ring);
if (ret <= 0) {
printf("child: sqe submit failed\n");
return 1;
}
sqe = io_uring_get_sqe(&ring);
if (!sqe) {
printf("child: get sqe failed\n");
return 1;
}
io_uring_prep_poll_cancel(sqe, addr);
io_uring_sqe_set_data(sqe, sqe);
ret = io_uring_submit(&ring);
if (ret <= 0) {
printf("child: sqe submit failed\n");
return 1;
}
ret = io_uring_wait_completion(&ring, &cqe);
if (ret < 0) {
printf("child: get cqe failed\n");
return 1;
}
if (cqe->user_data != (unsigned long) addr) {
printf("first complete not poll\n");
return 1;
}
ret = io_uring_wait_completion(&ring, &cqe);
if (ret < 0) {
printf("parent: get failed\n");
return 1;
}
if (cqe->user_data != (unsigned long) sqe) {
printf("second not cancel\n");
return 1;
}
return 0;
}
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