Revision dcc772e2 include/block/aio.h

b/include/block/aio.h
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#include "qemu-common.h"
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#include "qemu/queue.h"
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#include "qemu/event_notifier.h"
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#include "qemu/thread.h"
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typedef struct BlockDriverAIOCB BlockDriverAIOCB;


  		





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typedef void BlockDriverCompletionFunc(void *opaque, int ret);


  		





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     */


  		





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    int walking_handlers;


  		





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    /* lock to protect between bh's adders and deleter */


  		





  
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    QemuMutex bh_lock;


  		





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    /* Anchor of the list of Bottom Halves belonging to the context */


  		





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    struct QEMUBH *first_bh;


  		





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 * aio_bh_poll: Poll bottom halves for an AioContext.


  		





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 *


  		





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 * These are internal functions used by the QEMU main loop.


  		





  
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 * And notice that multiple occurrences of aio_bh_poll cannot


  		





  
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 * be called concurrently


  		





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 */


  		





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int aio_bh_poll(AioContext *ctx);


  		





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 * Deleting a bottom half frees the memory that was allocated for it by


  		





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 * qemu_bh_new.  It also implies canceling the bottom half if it was


  		





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 * scheduled.


  		





  
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 * This func is async. The bottom half will do the delete action at the finial


  		





  
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 * end.


  		





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 *


  		





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 * @bh: The bottom half to be deleted.


  		





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 */


  		












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