AIO_SUSPEND man page on Manjaro

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

       aio_suspend - wait for asynchronous I/O operation or timeout

       #include <aio.h>

       int aio_suspend(const struct aiocb * const aiocb_list[],
		       int nitems, const struct timespec *timeout);

       Link with -lrt.

       The aio_suspend() function suspends the calling thread until one of the
       following occurs:

       *  One or more of the asynchronous I/O requests in the list  aiocb_list
	  has completed.

       *  A signal is delivered.

       *  timeout  is  not  NULL  and  the specified time interval has passed.
	  (For details of the timespec structure, see nanosleep(2).)

       The nitems argument specifies the number of items in aiocb_list.	  Each
       item in the list pointed to by aiocb_list must be either 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).  (See aio(7) for a
       description of the aiocb structure.)

       If CLOCK_MONOTONIC is supported, this clock  is	used  to  measure  the
       timeout interval (see clock_gettime(3)).

       If  this	 function  returns after completion of one of the I/O requests
       specified in aiocb_list, 0 is returned.	Otherwise, -1 is returned, and
       errno is set to indicate the error.

       EAGAIN The  call	 timed	out before any of the indicated operations had

       EINTR  The call was ended by signal (possibly the completion signal  of
	      one of the operations we were waiting for); see signal(7).

       ENOSYS aio_suspend() is not implemented.

       The aio_suspend() function is available since glibc 2.1.

       POSIX.1-2001, POSIX.1-2008.

       One  can	 achieve  polling by using a non-NULL timeout that specifies a
       zero time interval.

       If one  or  more	 of  the  asynchronous	I/O  operations	 specified  in
       aiocb_list  has	already	 completed at the time of the call to aio_sus‐
       pend(), then the call returns immediately.

       To determine which I/O operations have  completed  after	 a  successful
       return  from  aio_suspend(), use aio_error(3) to scan the list of aiocb
       structures pointed to by aiocb_list.

       aio_cancel(3), aio_error(3), aio_fsync(3), aio_read(3),	aio_return(3),
       aio_write(3), lio_listio(3), aio(7), time(7)

       This  page  is  part of release 3.65 of the Linux man-pages project.  A
       description of the project, and information about reporting  bugs,  can
       be found at

				  2012-05-08			AIO_SUSPEND(3)

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