1 .\" Copyright (c) 2003 Andries Brouwer (aeb@cwi.nl)
2 .\" and Copyright (C) 2010 Michael kerrisk <mtk.manpages@gmail.com>
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24 .TH AIO_SUSPEND 3 2012-05-08 "" "Linux Programmer's Manual"
26 aio_suspend \- wait for asynchronous I/O operation or timeout
32 .BI "int aio_suspend(const struct aiocb * const " aiocb_list [],
34 .BI " int " nitems ", const struct timespec *" timeout );
36 Link with \fI\-lrt\fP.
41 function suspends the calling thread until one of the following occurs:
43 One or more of the asynchronous I/O requests in the list
47 A signal is delivered.
50 is not NULL and the specified time interval has passed.
58 argument specifies the number of items in
60 Each item in the list pointed to by
62 must be either NULL (and then is ignored),
63 or a pointer to a control block on which I/O was initiated using
70 for a description of the
76 is supported, this clock is used to measure
77 the timeout interval (see
78 .BR clock_gettime (3)).
80 If this function returns after completion of one of the I/O
84 Otherwise, \-1 is returned, and
86 is set to indicate the error.
90 The call timed out before any of the indicated operations
94 The call was ended by signal
95 (possibly the completion signal of one of the operations we were
105 function is available since glibc 2.1.
107 POSIX.1-2001, POSIX.1-2008.
109 One can achieve polling by using a non-NULL
111 that specifies a zero time interval.
113 If one or more of the asynchronous I/O operations specified in
115 has already completed at the time of the call to
117 then the call returns immediately.
119 To determine which I/O operations have completed
120 after a successful return from
126 structures pointed to by