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qio: non-default context for threaded qtask

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qio_task_run_in_thread() allows main thread to run blocking operations
in the background. However it has an assumption on that it's always
working with the default context. This patch tries to allow the threaded
QIO task framework to run with non-default gcontext.

Currently no functional change so far, so the QIOTasks are still always
running on main context.

Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Peter Xu 2018-03-05 14:43:22 +08:00 • committed by Daniel P. Berrangé
parent 938c8b79e5
commit a17536c594
5 changed files with 33 additions and 8 deletions
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7
include/io/task.h
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@ -227,15 +227,18 @@ QIOTask *qio_task_new(Object *source,
* @worker: the function to invoke in a thread
* @opaque: opaque data to pass to @worker
* @destroy: function to free @opaque
* @context: the context to run the complete hook. If %NULL, the
* default context will be used.
*
* Run a task in a background thread. When @worker
* returns it will call qio_task_complete() in
* the main event thread context.
* the event thread context that provided.
*/
void qio_task_run_in_thread(QIOTask *task,
QIOTaskWorker worker,
gpointer opaque,
GDestroyNotify destroy);
GDestroyNotify destroy,
GMainContext *context);
/**
* qio_task_complete: