diff options
Diffstat (limited to 'job.c')
-rw-r--r-- | job.c | 73 |
1 files changed, 25 insertions, 48 deletions
@@ -369,7 +369,7 @@ void job_unref(Job *job) QLIST_REMOVE(job, job_list); - g_free(job->error); + error_free(job->err); g_free(job->id); g_free(job); } @@ -535,6 +535,20 @@ void job_drain(Job *job) } } +static void job_completed(Job *job); + +static void job_exit(void *opaque) +{ + Job *job = (Job *)opaque; + AioContext *aio_context = job->aio_context; + + if (job->driver->exit) { + aio_context_acquire(aio_context); + job->driver->exit(job); + aio_context_release(aio_context); + } + job_completed(job); +} /** * All jobs must allow a pause point before entering their job proper. This @@ -544,16 +558,18 @@ static void coroutine_fn job_co_entry(void *opaque) { Job *job = opaque; - assert(job && job->driver && job->driver->start); + assert(job && job->driver && job->driver->run); job_pause_point(job); - job->driver->start(job); + job->ret = job->driver->run(job, &job->err); + job->deferred_to_main_loop = true; + aio_bh_schedule_oneshot(qemu_get_aio_context(), job_exit, job); } void job_start(Job *job) { assert(job && !job_started(job) && job->paused && - job->driver && job->driver->start); + job->driver && job->driver->run); job->co = qemu_coroutine_create(job_co_entry, job); job->pause_count--; job->busy = true; @@ -666,8 +682,8 @@ static void job_update_rc(Job *job) job->ret = -ECANCELED; } if (job->ret) { - if (!job->error) { - job->error = g_strdup(strerror(-job->ret)); + if (!job->err) { + error_setg(&job->err, "%s", strerror(-job->ret)); } job_state_transition(job, JOB_STATUS_ABORTING); } @@ -865,19 +881,12 @@ static void job_completed_txn_success(Job *job) } } -void job_completed(Job *job, int ret, Error *error) +static void job_completed(Job *job) { assert(job && job->txn && !job_is_completed(job)); - job->ret = ret; - if (error) { - assert(job->ret < 0); - job->error = g_strdup(error_get_pretty(error)); - error_free(error); - } - job_update_rc(job); - trace_job_completed(job, ret, job->ret); + trace_job_completed(job, job->ret); if (job->ret) { job_completed_txn_abort(job); } else { @@ -893,7 +902,7 @@ void job_cancel(Job *job, bool force) } job_cancel_async(job, force); if (!job_started(job)) { - job_completed(job, -ECANCELED, NULL); + job_completed(job); } else if (job->deferred_to_main_loop) { job_completed_txn_abort(job); } else { @@ -956,38 +965,6 @@ void job_complete(Job *job, Error **errp) job->driver->complete(job, errp); } - -typedef struct { - Job *job; - JobDeferToMainLoopFn *fn; - void *opaque; -} JobDeferToMainLoopData; - -static void job_defer_to_main_loop_bh(void *opaque) -{ - JobDeferToMainLoopData *data = opaque; - Job *job = data->job; - AioContext *aio_context = job->aio_context; - - aio_context_acquire(aio_context); - data->fn(data->job, data->opaque); - aio_context_release(aio_context); - - g_free(data); -} - -void job_defer_to_main_loop(Job *job, JobDeferToMainLoopFn *fn, void *opaque) -{ - JobDeferToMainLoopData *data = g_malloc(sizeof(*data)); - data->job = job; - data->fn = fn; - data->opaque = opaque; - job->deferred_to_main_loop = true; - - aio_bh_schedule_oneshot(qemu_get_aio_context(), - job_defer_to_main_loop_bh, data); -} - int job_finish_sync(Job *job, void (*finish)(Job *, Error **errp), Error **errp) { Error *local_err = NULL; |