tests: more cancellation tests
Add a test checking we don't cancel extra on exit() cancellation.
#include <sys/types.h>
#include <sys/time.h>
#include <sys/wait.h>
+#include <sys/poll.h>
#include "helpers.h"
#include "liburing.h"
@@ -365,6 +366,79 @@ static int test_cancel_req_across_fork(void)
return 0;
}
+static int test_cancel_inflight_exit(void)
+{
+ struct __kernel_timespec ts = { .tv_sec = 1, .tv_nsec = 0, };
+ struct io_uring ring;
+ struct io_uring_cqe *cqe;
+ struct io_uring_sqe *sqe;
+ int ret, i;
+ pid_t p;
+
+ ret = io_uring_queue_init(8, &ring, 0);
+ if (ret) {
+ fprintf(stderr, "ring create failed: %d\n", ret);
+ return 1;
+ }
+ p = fork();
+ if (p == -1) {
+ fprintf(stderr, "fork() failed\n");
+ return 1;
+ }
+
+ if (p == 0) {
+ sqe = io_uring_get_sqe(&ring);
+ io_uring_prep_poll_add(sqe, ring.ring_fd, POLLIN);
+ sqe->user_data = 1;
+ sqe->flags |= IOSQE_IO_LINK;
+
+ sqe = io_uring_get_sqe(&ring);
+ io_uring_prep_timeout(sqe, &ts, 0, 0);
+ sqe->user_data = 2;
+
+ sqe = io_uring_get_sqe(&ring);
+ io_uring_prep_timeout(sqe, &ts, 0, 0);
+ sqe->user_data = 3;
+
+ ret = io_uring_submit(&ring);
+ if (ret != 3) {
+ fprintf(stderr, "io_uring_submit() failed %s, ret %i\n", __FUNCTION__, ret);
+ exit(1);
+ }
+ exit(0);
+ } else {
+ int wstatus;
+
+ if (waitpid(p, &wstatus, 0) == (pid_t)-1) {
+ perror("waitpid()");
+ return 1;
+ }
+ if (!WIFEXITED(wstatus) || WEXITSTATUS(wstatus)) {
+ fprintf(stderr, "child failed %i\n", WEXITSTATUS(wstatus));
+ return 1;
+ }
+ }
+
+ for (i = 0; i < 3; ++i) {
+ ret = io_uring_wait_cqe(&ring, &cqe);
+ if (ret) {
+ fprintf(stderr, "wait_cqe=%d\n", ret);
+ return 1;
+ }
+ if ((cqe->user_data == 1 && cqe->res != -ECANCELED) ||
+ (cqe->user_data == 2 && cqe->res != -ECANCELED) ||
+ (cqe->user_data == 3 && cqe->res != -ETIME)) {
+ fprintf(stderr, "%i %i\n", (int)cqe->user_data, cqe->res);
+ return 1;
+ }
+ io_uring_cqe_seen(&ring, cqe);
+ }
+
+ io_uring_queue_exit(&ring);
+ return 0;
+}
+
+
int main(int argc, char *argv[])
{
int i, ret;
@@ -382,6 +456,11 @@ int main(int argc, char *argv[])
return 1;
}
+ if (test_cancel_inflight_exit()) {
+ fprintf(stderr, "test_cancel_inflight_exit() failed\n");
+ return 1;
+ }
+
t_create_file(".basic-rw", FILE_SIZE);
vecs = t_create_buffers(BUFFERS, BS);
