Remove another outdated comment about aio_cancel().

Remove an out-of-date comment: aio_cancel() has been supported
since revision 1.69 of kern/vfs_aio.c.

Remove the field privatemodes from struct __aiocb_private and the
related code from aio_read() and aio_write(). This field was
intended, but never used, to allow a mythical user-level library to
mak

Remove the field privatemodes from struct __aiocb_private and the
related code from aio_read() and aio_write(). This field was
intended, but never used, to allow a mythical user-level library to
make an aio_read() or aio_write() behave like an ordinary read() or
write(), i.e., a blocking I/O operation.

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Undo rev 1.8: This commit actually added a second declaration
of aio_error() to the same file.

Remove another unused field from struct __aiocb_private.

Remove (long) unused fields from struct __aiocb_private.

Make the basic AIO functions, i.e., aio_read() and aio_write(),
work on the Alpha, at least, for the aio_qphysio() case. Specifically,
fix an unaligned access fault.

Back out the previous change to the queue(3) interface.
It was not discussed and should probably not happen.

Requested by: msmith and others

Change the way that the queue(3) structures are declared; don't assume that
the type argument to *_HEAD and *_ENTRY is a struct.

Suggested by: phk
Reviewed by: phk
Approved by: mdodd

Fix a warning with a forward struct declaration.

Introduce kqueue() and kevent(), a kernel event notification facility.

Add aio_waitcomplete(). Make aio work correctly for socket descriptors.
Make gratuitous style(9) fixes (me, not the submitter) to make the aio
code more readable.

PR: kern/12053
Submitted by: Chri

Add aio_waitcomplete(). Make aio work correctly for socket descriptors.
Make gratuitous style(9) fixes (me, not the submitter) to make the aio
code more readable.

PR: kern/12053
Submitted by: Chris Sedore <cmsedore@maxwell.syr.edu>

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Change #ifdef KERNEL to #ifdef _KERNEL in the public headers. "KERNEL"
is an application space macro and the applications are supposed to be free
to use it as they please (but cannot). This is cons

Change #ifdef KERNEL to #ifdef _KERNEL in the public headers. "KERNEL"
is an application space macro and the applications are supposed to be free
to use it as they please (but cannot). This is consistant with the other
BSD's who made this change quite some time ago. More commits to come.

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$Id$ -> $FreeBSD$

Include <sys/time.h> for correctness. BDE has a better version of this,
but it's more complex, and in his words

Commit your version, since it is the only one that is clearly permitted
(if n

Include <sys/time.h> for correctness. BDE has a better version of this,
but it's more complex, and in his words

Commit your version, since it is the only one that is clearly permitted
(if not best), and I'll untangle it later.

PR: docs/11589
Reviewed by: Bruce "he kicks ass" Evans

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Bring a bit closer to the normal form. (In particular, add
__BEGIN_DECLS/__END_DECLS).

Add aio_error decl.

Finish _POSIX_PRIORITY_SCHEDULING. Needs P1003_1B and
_KPOSIX_PRIORITY_SCHEDULING options to work. Changes:

Change all "posix4" to "p1003_1b". Misnamed files are left
as "posix4" until I'm told i

Finish _POSIX_PRIORITY_SCHEDULING. Needs P1003_1B and
_KPOSIX_PRIORITY_SCHEDULING options to work. Changes:

Change all "posix4" to "p1003_1b". Misnamed files are left
as "posix4" until I'm told if I can simply delete them and add
new ones;

Add _POSIX_PRIORITY_SCHEDULING system calls for FreeBSD and Linux;

Add man pages for _POSIX_PRIORITY_SCHEDULING system calls;

Add options to LINT;

Minor fixes to P1003_1B code during testing.

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Preprocessor directives require a leading '#'

Submitted by: ccsanady@friley585.res.iastate.edu

Put sigevent and AIO_LISTIO_MAX back in aio.h so
that kernels can be built.

Reviewed by: bde

Changes to support building with _POSIX_SOURCE set to 199309L:

1. Add sys/_posix.h to handle those preprocessor defs that POSIX
says have effects when defined before including any

Reviewed by: bde

Changes to support building with _POSIX_SOURCE set to 199309L:

1. Add sys/_posix.h to handle those preprocessor defs that POSIX
says have effects when defined before including any header files;

2. Change POSIX4_VISIBLE back to _POSIX4_VISIBLE

3. Add _POSIX4_VISIBLE_HISTORICALLY for pre-existing BSD features now
defined in POSIX. These show up when:

_POSIX_SOURCE and _POSIX_C_SOURCE are not set or
_POSIX_C_SOURCE is set >= 199309L

and vanish when:

_POSIX_SOURCE is set or _POSIX_C_SOURCE is < 199309L.

4. Explain these in man 9 posix4;

5. Include _posix.h and conditionalize on new feature test.

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Correct prototypes to match POSIX. Correct return code for aio_cancel.
Submitted by: Alex Nash <nash@mcs.com>

Clean up some lint associated with the AIO code.

Ouch!!! This should fix a serious build problem after the addition of the
new preliminary AIO support. Unfortunately, I had a stray copy of aio.h
that made me think that things worked.