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iothread: provide helpers for internal use 

IOThread is a general framework that contains IO loop environment and a
real thread behind.  It's also good to be used internally inside qemu.
Provide some helpers for it to create iothreads to be used internally.

Put all the internal used iothreads into the internal object container.

Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-id: 20170928025958.1420-3-peterx@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Peter Xu 2017-09-28 10:59:55 +08:00 committed by Stefan Hajnoczi
parent 7c47c4ead7
commit 0173e21b61
2 changed files with 24 additions and 0 deletions
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8
include/sysemu/iothread.h
View File

@ -46,4 +46,12 @@ AioContext *iothread_get_aio_context(IOThread *iothread);
void iothread_stop_all(void);
GMainContext *iothread_get_g_main_context(IOThread *iothread);
/*
* Helpers used to allocate iothreads for internal use. These
* iothreads will not be seen by monitor clients when query using
* "query-iothreads".
*/
IOThread *iothread_create(const char *id, Error **errp);
void iothread_destroy(IOThread *iothread);
#endif /* IOTHREAD_H */

16
iothread.c
View File

@ -354,3 +354,19 @@ GMainContext *iothread_get_g_main_context(IOThread *iothread)
return iothread->worker_context;
}
IOThread *iothread_create(const char *id, Error **errp)
{
Object *obj;
obj = object_new_with_props(TYPE_IOTHREAD,
object_get_internal_root(),
id, errp, NULL);
return IOTHREAD(obj);
}
void iothread_destroy(IOThread *iothread)
{
object_unparent(OBJECT(iothread));
}