sysctl.3: Adjust for pageout daemon algo changes from last year.

Taken-from: dillon's commit message

sysctl.3: Remove wrong Dv's.

Fix manual pages for the KERN_OSREV and KERN_OSRELDATE sysctls.

Submitted-by: mikdusan
Dragonfly-bug: <https://bugs.dragonflybsd.org/issues/3270>

kernel: Remove kernel profiling bits.

It was broken on i386, is even more broken on x86_64 and isn't
worth fixing.

Discussed-with: dillon

Remove IPsec and related code from the system.

It was unmaintained ever since we inherited it from FreeBSD 4.8.

In fact, we had two implementations from that time: IPSEC and FAST_IPSEC.
FAST_IPSEC

Remove IPsec and related code from the system.

It was unmaintained ever since we inherited it from FreeBSD 4.8.

In fact, we had two implementations from that time: IPSEC and FAST_IPSEC.
FAST_IPSEC is the implementation to which FreeBSD has moved since, but
it didn't even build in DragonFly.

Fixes for dports have been committed to DeltaPorts.

Requested-by: dillon
Dports-testing-and-fixing: zrj

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sysctl.3: Remove KERN_QUANTUM info. We don't have it.

i386 removal, part 4/x: Remove i386 specific code from libc.

sysctl.3: Fix struct types for the KERN_BOOTTIME and KERN_PROC nodes.

sysctl.3: Use .Vt instead of .Va for types.

sysctl.3: Fix documentation of KERN_FILE.

sysctl.3: Remove KERN_UPDATEINTERVAL identifier. Fix a copy-paste error.

sysctl.3: Fix a typo. Document the HW_MACHINE_PLATFORM identifier.

sysctl.3: Use .Dv where appropriate, use nicer syntax in tables.

Mostly-taken-from: OpenBSD

sysctl.3: Document the KERN_PROC_CWD sysctl name. Explain KERN_PROC_ARGS.

Partly-taken-from: FreeBSD

kernel: Add the KERN_PROC_PATHNAME sysctl

Which returns the full path of a process text file.

Obtained-from: FreeBSD

sysctl.3: Remove useless .Ns and use .Vt for types.

Add proper const keywords to sysctl(3) parameters.

Import some sysctl(3) patches from FreeBSD.

- r204170 change the sysctl(3) and sysctlbyname(3) interfaces so they
are in sync with FreeBSD

Add proper const keywords to sysctl(3) parameters.

Import some sysctl(3) patches from FreeBSD.

- r204170 change the sysctl(3) and sysctlbyname(3) interfaces so they
are in sync with FreeBSD and NetBSD.
- r240176 Avoid a potential segfault in libc when the `name' argument
is invalid.
- r204172 & r244153 are cosmetics changes.

Here follow the commit message from r204170 and r240176:

- r204170: Add proper const keywords to sysctl(3) parameters.

The `name' and `newp' arguments can be marked const, because the
buffers
they refer to are never changed. While there, perform some other
cleanups:

* Implement sysctlbyname() using sysctlnametomib() to prevent
duplication of an undocumented kernel interface.
* Fix some whitespace nits.

- r240176: Avoid segfault if name is invalid.

Basically, only check for CTL_USER if the sysctl fails with ENOENT.

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Correct BSD License clause numbering from 1-2-4 to 1-2-3.

Apparently everyone's doing it:
http://svnweb.freebsd.org/base?view=revision&revision=251069

Submitted-by: "Eitan Adler" <lists at eitanadl

Correct BSD License clause numbering from 1-2-4 to 1-2-3.

Apparently everyone's doing it:
http://svnweb.freebsd.org/base?view=revision&revision=251069

Submitted-by: "Eitan Adler" <lists at eitanadler.com>

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Remove advertising header from man pages.

By: Eitan Adler <lists@eitanadler.com>

Initial import of binutils 2.22 on the new vendor branch

Future versions of binutils will also reside on this branch rather
than continuing to create new binutils branches for each new version.

Sweep over our manual pages and remove .Pp before a .Bd or .Bl without
-compact because it has no effect.

Fix some mdoc issues.

Taken-from: FreeBSD

Misc. mdoc nits.

Hardware sensors framework originally developed in OpenBSD and ported to
FreeBSD by Constantine A. Murenin <mureninc at gmail.com>.

Obtained-from: OpenBSD via FreeBSD GSoC 2007 project

Change kinfo_proc interface between kernel and userland.

Before, we were embedding a struct proc (among others) into struct
kinfo_proc. Every time we change implementation details in the kernel,
us

Change kinfo_proc interface between kernel and userland.

Before, we were embedding a struct proc (among others) into struct
kinfo_proc. Every time we change implementation details in the kernel,
userland has to be adapted (recompiled). In preparation for the coming
LWP changes this interface has been reworked. Now kinfo_proc is a
structure which does not depend on other structures on the kernel which
are subject to change. Instead, the routines fill_kinfo_proc and
fill_kinfo_lwp copy all values which are of interest between the kernel
structure and the stable kinfo_proc structure.

Furthermore, this change adds infrastructure to export LWP-specific data.
If userland requests LWP data, it sets the flag KERN_PROC_FLAG_LWP in the
sysctl oid. This leads to multiple kinfo_procs being exported. If not
set, the first LWP will used. This is like FreeBSD do it, and it seems
easy and simple. Note that userland was not yet adjusted to actually
request LWPs and aggregate this information if necessary. Besides, the
kernel does not yet have more than one LWP per process anyways.

This introduces a new file, kern/kern_kinfo.c, which is shared between
kernel and libkvm. This was done to avoid and remove code duplication.
Now kvm_getprocs constructs a complete struct proc, including pointers,
and then calls fill_kinfo_proc to do its job.

In-collaboration-with: Thomas E. Spanjaard <tgen@netphreax.net>

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