From 79a7d3a3f6710dc257dfb2095d5d91d73d0b93bf Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@kernel.dk>
Date: Thu, 17 Jan 2019 13:05:52 -0700
Subject: Add IORING_OP_POLL_CANCEL test

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 test/poll-cancel.c | 98 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 test/poll-cancel.c

(limited to 'test/poll-cancel.c')

diff --git a/test/poll-cancel.c b/test/poll-cancel.c
new file mode 100644
index 0000000..ec12353
--- /dev/null
+++ b/test/poll-cancel.c
@@ -0,0 +1,98 @@
+/*
+ * Description: test io_uring poll cancel handling
+ *
+ */
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.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;
+	unsigned long 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;
+	}
+	sqe->opcode = IORING_OP_POLL;
+	sqe->flags = 0;
+	sqe->ioprio = 0;
+	sqe->fd = pipe1[0];
+	sqe->addr = POLLIN;
+	sqe->off = 0;
+	sqe->len = 0;
+	sqe->buf_index = 0;
+	sqe->user_data = addr = (unsigned long) &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;
+	}
+	sqe->opcode = IORING_OP_POLL_CANCEL;
+	sqe->flags = 0;
+	sqe->ioprio = 0;
+	sqe->fd = 0;
+	sqe->addr = addr;
+	sqe->off = 0;
+	sqe->len = 0;
+	sqe->buf_index = 0;
+	sqe->user_data = (unsigned long) &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 != 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;
+}
-- 
cgit