aio_waitcomplete(2) 맨 페이지 - 윈디하나의 솔라나라

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aio_waitcomplete(2)

The  system  call waits for completion of an asynchronous I/O re‐
quest.  Upon completion, returns the result of the  function  and
sets  to  point to the structure associated with the original re‐
quest.  If an asynchronous I/O request  is  completed  before  is
called, it returns immediately with the completed request.  If is
a non-NULL pointer, it specifies a maximum interval to wait for a
asynchronous  I/O  request  to  complete.   If is a NULL pointer,
waits indefinitely.  To effect a poll,  the  argument  should  be
non-NULL,  pointing to a zero-valued timeval structure.  The sys‐
tem call also serves the function of thus should  not  be  called
for  the control block returned in If an asynchronous I/O request
has completed, is set to point to the control block  passed  with
the  original request, and the status is returned as described in
or On failure, returns sets iocbp to and sets to indicate the er‐
ror condition.  The system call  fails  if:  The  specified  time
limit is invalid.  The process has not yet called or A signal was
delivered  before the timeout expired and before any asynchronous
I/O requests completed.  The specified time limit expired  before
any  asynchronous  I/O  requests completed.  The system call is a
extension.  The system call first appeared in The system call and
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