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aio_suspend(3) - aio_suspend, aio_suspend - wait for asynchronous I/O operation or timeout - man 3 aio_suspend

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AIO_SUSPEND(3)             Linux Programmer's Manual            AIO_SUSPEND(3)



NAME
       aio_suspend - wait for asynchronous I/O operation or timeout(1,3x,3x cbreak)

SYNOPSIS
       #include <aio.h>

       int aio_suspend(const struct aiocb * const cblist[],
                       int n, const struct timespec *timeout(1,3x,3x cbreak));


DESCRIPTION
       The  aio_suspend  function  suspends the calling process until at least
       one of the asynchronous I/O requests in(1,8) the list  cblist  of  length  n
       have  completed,  a signal(2,7) is delivered, or timeout(1,3x,3x cbreak) is not NULL and the
       time(1,2,n) interval it indicates has passed.

       Each item in(1,8) the list must either be NULL (and then is ignored),  or  a
       pointer   to   a  control  block  on  which  I/O  was  initiated  using
       aio_read(3), aio_write(3), or lio_listio(3).

       If CLOCK_MONOTONIC is supported, this clock(3,n)  is  used  to  measure  the
       timeout(1,3x,3x cbreak) interval.

RETURN VALUE
       If  this  function  returns  after  completion  of one of the indicated
       requests, it returns 0. Otherwise it returns -1 and sets  errno  appro-
       priately.

ERRORS
       EAGAIN The call was ended by timeout(1,3x,3x cbreak), before any of the indicated oper-
              ations had completed.

       EINTR  The call was ended by signal.  (Possibly the  completion  signal(2,7)
              of one of the operations we were waiting for.)

NOTE
       One  can  achieve  polling by using a non-NULL timeout(1,3x,3x cbreak) that specifies a
       zero time(1,2,n) interval.

CONFORMING TO
       POSIX 1003.1-2003

SEE ALSO
       aio_cancel(3), aio_error(3), aio_fsync(3), aio_read(3),  aio_return(3),
       aio_write(3)



                                  2003-11-14                    AIO_SUSPEND(3)

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