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