diff options
Diffstat (limited to 'job.c')
-rw-r--r-- | job.c | 77 |
1 files changed, 34 insertions, 43 deletions
@@ -535,49 +535,6 @@ 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 - * ensures that jobs can be paused prior to being started, then resumed later. - */ -static void coroutine_fn job_co_entry(void *opaque) -{ - Job *job = opaque; - - assert(job && job->driver && job->driver->run); - job_pause_point(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->run); - job->co = qemu_coroutine_create(job_co_entry, job); - job->pause_count--; - job->busy = true; - job->paused = false; - job_state_transition(job, JOB_STATUS_RUNNING); - aio_co_enter(job->aio_context, job->co); -} - /* Assumes the block_job_mutex is held */ static bool job_timer_not_pending(Job *job) { @@ -894,6 +851,40 @@ static void job_completed(Job *job) } } +/** Useful only as a type shim for aio_bh_schedule_oneshot. */ +static void job_exit(void *opaque) +{ + Job *job = (Job *)opaque; + job_completed(job); +} + +/** + * All jobs must allow a pause point before entering their job proper. This + * ensures that jobs can be paused prior to being started, then resumed later. + */ +static void coroutine_fn job_co_entry(void *opaque) +{ + Job *job = opaque; + + assert(job && job->driver && job->driver->run); + job_pause_point(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->run); + job->co = qemu_coroutine_create(job_co_entry, job); + job->pause_count--; + job->busy = true; + job->paused = false; + job_state_transition(job, JOB_STATUS_RUNNING); + aio_co_enter(job->aio_context, job->co); +} + void job_cancel(Job *job, bool force) { if (job->status == JOB_STATUS_CONCLUDED) { |