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/*
libaio Linux async I/O interface
Copyright 2018 Christoph Hellwig.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <libaio.h>
#include <errno.h>
#include <stdlib.h>
#include <time.h>
#include <signal.h>
#include "syscall.h"
#include "aio_ring.h"
#ifdef __NR_io_pgetevents
io_syscall6(int, __io_pgetevents, io_pgetevents, io_context_t, ctx, long,
min_nr, long, nr, struct io_event *, events,
struct timespec *, timeout, void *, sigmask);
int io_pgetevents(io_context_t ctx, long min_nr, long nr,
struct io_event *events, struct timespec *timeout,
sigset_t *sigmask)
{
struct {
unsigned long ss;
unsigned long ss_len;
} data;
if (aio_ring_is_empty(ctx, timeout))
return 0;
data.ss = (unsigned long)sigmask;
data.ss_len = _NSIG / 8;
return __io_pgetevents(ctx, min_nr, nr, events, timeout, &data);
}
#else
int io_pgetevents(io_context_t ctx, long min_nr, long nr,
struct io_event *events, struct timespec *timeout,
sigset_t *sigmask)
{
return -ENOSYS;
}
#endif /* __NR_io_pgetevents */
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