linux/include/uapi
Christoph Hellwig 7a074e96de aio: implement io_pgetevents
This is the io_getevents equivalent of ppoll/pselect and allows to
properly mix signals and aio completions (especially with IOCB_CMD_POLL)
and atomically executes the following sequence:

	sigset_t origmask;

	pthread_sigmask(SIG_SETMASK, &sigmask, &origmask);
	ret = io_getevents(ctx, min_nr, nr, events, timeout);
	pthread_sigmask(SIG_SETMASK, &origmask, NULL);

Note that unlike many other signal related calls we do not pass a sigmask
size, as that would get us to 7 arguments, which aren't easily supported
by the syscall infrastructure.  It seems a lot less painful to just add a
new syscall variant in the unlikely case we're going to increase the
sigset size.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
2018-05-02 19:57:24 +02:00
..
asm-generic aio: implement io_pgetevents 2018-05-02 19:57:24 +02:00
drm Linux 4.16-rc7 2018-03-28 14:30:41 +10:00
linux aio: implement io_pgetevents 2018-05-02 19:57:24 +02:00
misc ocxl: Add get_metadata IOCTL to share OCXL information to userspace 2018-03-02 13:02:14 +11:00
mtd License cleanup: add SPDX license identifier to uapi header files with a license 2017-11-02 11:20:11 +01:00
rdma IB/mlx5: Device memory support in mlx5_ib 2018-04-05 13:04:49 -06:00
scsi License cleanup: add SPDX license identifier to uapi header files with a license 2017-11-02 11:20:11 +01:00
sound ASoC: soc-generic-dmaengine-pcm: Fix sparse warnings 2018-02-26 11:05:12 +00:00
video License cleanup: add SPDX license identifier to uapi header files with a license 2017-11-02 11:20:11 +01:00
xen License cleanup: add SPDX license identifier to uapi header files with a license 2017-11-02 11:20:11 +01:00