+typedef struct CancelJob {
+ BlockJob common;
+ BlockBackend *blk;
+ bool should_converge;
+ bool should_complete;
+} CancelJob;
+
+static void cancel_job_complete(Job *job, Error **errp)
+{
+ CancelJob *s = container_of(job, CancelJob, common.job);
+ s->should_complete = true;
+}
+
+static int coroutine_fn cancel_job_run(Job *job, Error **errp)
+{
+ CancelJob *s = container_of(job, CancelJob, common.job);
+
+ while (!s->should_complete) {
+ if (job_is_cancelled(&s->common.job)) {
+ return 0;
+ }
+
+ if (!job_is_ready(&s->common.job) && s->should_converge) {
+ job_transition_to_ready(&s->common.job);
+ }
+
+ job_sleep_ns(&s->common.job, 100000);
+ }
+
+ return 0;
+}
+
+static const BlockJobDriver test_cancel_driver = {
+ .job_driver = {
+ .instance_size = sizeof(CancelJob),
+ .free = block_job_free,
+ .user_resume = block_job_user_resume,
+ .drain = block_job_drain,
+ .run = cancel_job_run,
+ .complete = cancel_job_complete,
+ },
+};
+
+static CancelJob *create_common(Job **pjob)
+{
+ BlockBackend *blk;
+ Job *job;
+ BlockJob *bjob;
+ CancelJob *s;
+
+ blk = create_blk(NULL);
+ bjob = mk_job(blk, "Steve", &test_cancel_driver, true,
+ JOB_MANUAL_FINALIZE | JOB_MANUAL_DISMISS);
+ job = &bjob->job;
+ job_ref(job);
+ assert(job->status == JOB_STATUS_CREATED);
+ s = container_of(bjob, CancelJob, common);
+ s->blk = blk;
+
+ *pjob = job;
+ return s;
+}
+
+static void cancel_common(CancelJob *s)
+{
+ BlockJob *job = &s->common;
+ BlockBackend *blk = s->blk;
+ JobStatus sts = job->job.status;
+ AioContext *ctx;
+
+ ctx = job->job.aio_context;
+ aio_context_acquire(ctx);
+
+ job_cancel_sync(&job->job);
+ if (sts != JOB_STATUS_CREATED && sts != JOB_STATUS_CONCLUDED) {
+ Job *dummy = &job->job;
+ job_dismiss(&dummy, &error_abort);
+ }
+ assert(job->job.status == JOB_STATUS_NULL);
+ job_unref(&job->job);
+ destroy_blk(blk);
+
+ aio_context_release(ctx);
+}
+
+static void test_cancel_created(void)
+{
+ Job *job;
+ CancelJob *s;
+
+ s = create_common(&job);
+ cancel_common(s);
+}
+
+static void test_cancel_running(void)
+{
+ Job *job;
+ CancelJob *s;
+
+ s = create_common(&job);
+
+ job_start(job);
+ assert(job->status == JOB_STATUS_RUNNING);
+
+ cancel_common(s);
+}
+
+static void test_cancel_paused(void)
+{
+ Job *job;
+ CancelJob *s;
+
+ s = create_common(&job);
+
+ job_start(job);
+ assert(job->status == JOB_STATUS_RUNNING);
+
+ job_user_pause(job, &error_abort);
+ job_enter(job);
+ assert(job->status == JOB_STATUS_PAUSED);
+
+ cancel_common(s);
+}
+
+static void test_cancel_ready(void)
+{
+ Job *job;
+ CancelJob *s;
+
+ s = create_common(&job);
+
+ job_start(job);
+ assert(job->status == JOB_STATUS_RUNNING);
+
+ s->should_converge = true;
+ job_enter(job);
+ assert(job->status == JOB_STATUS_READY);
+
+ cancel_common(s);
+}
+
+static void test_cancel_standby(void)
+{
+ Job *job;
+ CancelJob *s;
+
+ s = create_common(&job);
+
+ job_start(job);
+ assert(job->status == JOB_STATUS_RUNNING);
+
+ s->should_converge = true;
+ job_enter(job);
+ assert(job->status == JOB_STATUS_READY);
+
+ job_user_pause(job, &error_abort);
+ job_enter(job);
+ assert(job->status == JOB_STATUS_STANDBY);
+
+ cancel_common(s);
+}
+
+static void test_cancel_pending(void)
+{
+ Job *job;
+ CancelJob *s;
+
+ s = create_common(&job);
+
+ job_start(job);
+ assert(job->status == JOB_STATUS_RUNNING);
+
+ s->should_converge = true;
+ job_enter(job);
+ assert(job->status == JOB_STATUS_READY);
+
+ job_complete(job, &error_abort);
+ job_enter(job);
+ while (!job->deferred_to_main_loop) {
+ aio_poll(qemu_get_aio_context(), true);
+ }
+ assert(job->status == JOB_STATUS_READY);
+ aio_poll(qemu_get_aio_context(), true);
+ assert(job->status == JOB_STATUS_PENDING);
+
+ cancel_common(s);
+}
+
+static void test_cancel_concluded(void)
+{
+ Job *job;
+ CancelJob *s;
+
+ s = create_common(&job);
+
+ job_start(job);
+ assert(job->status == JOB_STATUS_RUNNING);
+
+ s->should_converge = true;
+ job_enter(job);
+ assert(job->status == JOB_STATUS_READY);
+
+ job_complete(job, &error_abort);
+ job_enter(job);
+ while (!job->deferred_to_main_loop) {
+ aio_poll(qemu_get_aio_context(), true);
+ }
+ assert(job->status == JOB_STATUS_READY);
+ aio_poll(qemu_get_aio_context(), true);
+ assert(job->status == JOB_STATUS_PENDING);
+
+ job_finalize(job, &error_abort);
+ assert(job->status == JOB_STATUS_CONCLUDED);
+
+ cancel_common(s);
+}
+