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-rw-r--r--qemu/tests/test-blockjob-txn.c251
1 files changed, 0 insertions, 251 deletions
diff --git a/qemu/tests/test-blockjob-txn.c b/qemu/tests/test-blockjob-txn.c
deleted file mode 100644
index 55fad9507..000000000
--- a/qemu/tests/test-blockjob-txn.c
+++ /dev/null
@@ -1,251 +0,0 @@
-/*
- * Blockjob transactions tests
- *
- * Copyright Red Hat, Inc. 2015
- *
- * Authors:
- * Stefan Hajnoczi <stefanha@redhat.com>
- *
- * This work is licensed under the terms of the GNU LGPL, version 2 or later.
- * See the COPYING.LIB file in the top-level directory.
- */
-
-#include "qemu/osdep.h"
-#include <glib.h>
-#include "qapi/error.h"
-#include "qemu/main-loop.h"
-#include "block/blockjob.h"
-
-typedef struct {
- BlockJob common;
- unsigned int iterations;
- bool use_timer;
- int rc;
- int *result;
-} TestBlockJob;
-
-static const BlockJobDriver test_block_job_driver = {
- .instance_size = sizeof(TestBlockJob),
-};
-
-static void test_block_job_complete(BlockJob *job, void *opaque)
-{
- BlockDriverState *bs = job->bs;
- int rc = (intptr_t)opaque;
-
- if (block_job_is_cancelled(job)) {
- rc = -ECANCELED;
- }
-
- block_job_completed(job, rc);
- bdrv_unref(bs);
-}
-
-static void coroutine_fn test_block_job_run(void *opaque)
-{
- TestBlockJob *s = opaque;
- BlockJob *job = &s->common;
-
- while (s->iterations--) {
- if (s->use_timer) {
- block_job_sleep_ns(job, QEMU_CLOCK_REALTIME, 0);
- } else {
- block_job_yield(job);
- }
-
- if (block_job_is_cancelled(job)) {
- break;
- }
- }
-
- block_job_defer_to_main_loop(job, test_block_job_complete,
- (void *)(intptr_t)s->rc);
-}
-
-typedef struct {
- TestBlockJob *job;
- int *result;
-} TestBlockJobCBData;
-
-static void test_block_job_cb(void *opaque, int ret)
-{
- TestBlockJobCBData *data = opaque;
- if (!ret && block_job_is_cancelled(&data->job->common)) {
- ret = -ECANCELED;
- }
- *data->result = ret;
- g_free(data);
-}
-
-/* Create a block job that completes with a given return code after a given
- * number of event loop iterations. The return code is stored in the given
- * result pointer.
- *
- * The event loop iterations can either be handled automatically with a 0 delay
- * timer, or they can be stepped manually by entering the coroutine.
- */
-static BlockJob *test_block_job_start(unsigned int iterations,
- bool use_timer,
- int rc, int *result)
-{
- BlockDriverState *bs;
- TestBlockJob *s;
- TestBlockJobCBData *data;
-
- data = g_new0(TestBlockJobCBData, 1);
- bs = bdrv_new();
- s = block_job_create(&test_block_job_driver, bs, 0, test_block_job_cb,
- data, &error_abort);
- s->iterations = iterations;
- s->use_timer = use_timer;
- s->rc = rc;
- s->result = result;
- s->common.co = qemu_coroutine_create(test_block_job_run);
- data->job = s;
- data->result = result;
- qemu_coroutine_enter(s->common.co, s);
- return &s->common;
-}
-
-static void test_single_job(int expected)
-{
- BlockJob *job;
- BlockJobTxn *txn;
- int result = -EINPROGRESS;
-
- txn = block_job_txn_new();
- job = test_block_job_start(1, true, expected, &result);
- block_job_txn_add_job(txn, job);
-
- if (expected == -ECANCELED) {
- block_job_cancel(job);
- }
-
- while (result == -EINPROGRESS) {
- aio_poll(qemu_get_aio_context(), true);
- }
- g_assert_cmpint(result, ==, expected);
-
- block_job_txn_unref(txn);
-}
-
-static void test_single_job_success(void)
-{
- test_single_job(0);
-}
-
-static void test_single_job_failure(void)
-{
- test_single_job(-EIO);
-}
-
-static void test_single_job_cancel(void)
-{
- test_single_job(-ECANCELED);
-}
-
-static void test_pair_jobs(int expected1, int expected2)
-{
- BlockJob *job1;
- BlockJob *job2;
- BlockJobTxn *txn;
- int result1 = -EINPROGRESS;
- int result2 = -EINPROGRESS;
-
- txn = block_job_txn_new();
- job1 = test_block_job_start(1, true, expected1, &result1);
- block_job_txn_add_job(txn, job1);
- job2 = test_block_job_start(2, true, expected2, &result2);
- block_job_txn_add_job(txn, job2);
-
- if (expected1 == -ECANCELED) {
- block_job_cancel(job1);
- }
- if (expected2 == -ECANCELED) {
- block_job_cancel(job2);
- }
-
- while (result1 == -EINPROGRESS || result2 == -EINPROGRESS) {
- aio_poll(qemu_get_aio_context(), true);
- }
-
- /* Failure or cancellation of one job cancels the other job */
- if (expected1 != 0) {
- expected2 = -ECANCELED;
- } else if (expected2 != 0) {
- expected1 = -ECANCELED;
- }
-
- g_assert_cmpint(result1, ==, expected1);
- g_assert_cmpint(result2, ==, expected2);
-
- block_job_txn_unref(txn);
-}
-
-static void test_pair_jobs_success(void)
-{
- test_pair_jobs(0, 0);
-}
-
-static void test_pair_jobs_failure(void)
-{
- /* Test both orderings. The two jobs run for a different number of
- * iterations so the code path is different depending on which job fails
- * first.
- */
- test_pair_jobs(-EIO, 0);
- test_pair_jobs(0, -EIO);
-}
-
-static void test_pair_jobs_cancel(void)
-{
- test_pair_jobs(-ECANCELED, 0);
- test_pair_jobs(0, -ECANCELED);
-}
-
-static void test_pair_jobs_fail_cancel_race(void)
-{
- BlockJob *job1;
- BlockJob *job2;
- BlockJobTxn *txn;
- int result1 = -EINPROGRESS;
- int result2 = -EINPROGRESS;
-
- txn = block_job_txn_new();
- job1 = test_block_job_start(1, true, -ECANCELED, &result1);
- block_job_txn_add_job(txn, job1);
- job2 = test_block_job_start(2, false, 0, &result2);
- block_job_txn_add_job(txn, job2);
-
- block_job_cancel(job1);
-
- /* Now make job2 finish before the main loop kicks jobs. This simulates
- * the race between a pending kick and another job completing.
- */
- block_job_enter(job2);
- block_job_enter(job2);
-
- while (result1 == -EINPROGRESS || result2 == -EINPROGRESS) {
- aio_poll(qemu_get_aio_context(), true);
- }
-
- g_assert_cmpint(result1, ==, -ECANCELED);
- g_assert_cmpint(result2, ==, -ECANCELED);
-
- block_job_txn_unref(txn);
-}
-
-int main(int argc, char **argv)
-{
- qemu_init_main_loop(&error_abort);
-
- g_test_init(&argc, &argv, NULL);
- g_test_add_func("/single/success", test_single_job_success);
- g_test_add_func("/single/failure", test_single_job_failure);
- g_test_add_func("/single/cancel", test_single_job_cancel);
- g_test_add_func("/pair/success", test_pair_jobs_success);
- g_test_add_func("/pair/failure", test_pair_jobs_failure);
- g_test_add_func("/pair/cancel", test_pair_jobs_cancel);
- g_test_add_func("/pair/fail-cancel-race", test_pair_jobs_fail_cancel_race);
- return g_test_run();
-}