Merge head up to r262222 (last merge was incomplete).

MFC @ r259205 in preparation for some SVM updates. (for real this time)

Replace Sun RPC license in TI-RPC library with a 3-clause BSD license,
with the explicit permission of Sun Microsystems in 2009.

Update to current version of head.

MFC 204950,205020:
Use thr_once() with once_t controls to initialize various thread_key_t
objects used to provide per-thread storage in the RPC code. Almost all
of these used double-checking with a

MFC 204950,205020:
Use thr_once() with once_t controls to initialize various thread_key_t
objects used to provide per-thread storage in the RPC code. Almost all
of these used double-checking with a dedicated mutex (tsd_lock) to do this
before. However, that is not always safe with more relaxed memory orders.
There were also other bugs, such as one in __rpc_createrr() that caused a
new key to be allocated each time __rpc_createrr() was invoked.

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Use thr_once() with once_t controls to initialize various thread_key_t
objects used to provide per-thread storage in the RPC code. Almost all
of these used double-checking with a dedicated mutex (ts

Use thr_once() with once_t controls to initialize various thread_key_t
objects used to provide per-thread storage in the RPC code. Almost all
of these used double-checking with a dedicated mutex (tsd_lock) to do this
before. However, that is not always safe with more relaxed memory orders.
There were also other bugs, such as one in __rpc_createrr() that caused a
new key to be allocated each time __rpc_createrr() was invoked.

PR: threads/144558
Reported by: Sam Robb samrobb of averesystems com (key leak)
MFC after: 1 week

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IFH@204581

Merge from head at r201628.

# This hasn't been tested, and there are at least three bad commits
# that need to be backed out before the branch will be stable again.

MFC revs 199781,199782,199784,199785,199786:

Eliminate dead stores.

In __mbsconv(), if prec was zero, nconv could have been used
uninitialized. Initialize it to a safe value so that there's

MFC revs 199781,199782,199784,199785,199786:

Eliminate dead stores.

In __mbsconv(), if prec was zero, nconv could have been used
uninitialized. Initialize it to a safe value so that there's no
chance of returning an error if stack garbage happens to be equal to
(size_t)-1 or (size_t)-2.

In svc_raw_reply(), don't leave stat uninitialized if the MSG_ACCEPTED
&& SUCCESS case succeeds. The stack garbage might be zero.

In clnt_raw_create(), avoid minor race condition initializing the
file-scope variable clntraw_private.

Found by: Clang static analyzer

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Eliminate more dead stores.

Found by: Clang static analyzer
MFC after: 7 days

Merge from head

- MFC

Lock around access to nc_file and netconfig_info ("ni"). The RPC
part of libc is still not thread safe but this would at least
reduce the problems we have.

PR: threads/118544
Submitted by: Changmi

Lock around access to nc_file and netconfig_info ("ni"). The RPC
part of libc is still not thread safe but this would at least
reduce the problems we have.

PR: threads/118544
Submitted by: Changming Sun <snnn119 gmail com>
MFC after: 2 weeks

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- Merge from HEAD

Remove a warning which is supposed to have been removed on 20030301.

Fix some improper handling of malloc failures

PR: bin/83344 , kern/81987
Reviewed by: alfred
Approved by: re (kensmith)
MFC after: 1 week

o Remove duplicate includes.

Obtained from: Slava Semushin via NetBSD

Sync with NetBSD rev. 1.15

Coverity CID 2275: Avoid memory leak on error.

MFC after: 1 month

Try to bring some sanity to the SCM ID's.
+ spell LIBC_SCCS consistently
+ enable builds with LIBC_SCCS defined to not syntax error
+ minor SCM reformatting to try to have some consistency

Make NULL a (void*)0 whereever possible, and fix the warnings(-Werror)
that this provokes. "Wherever possible" means "In the kernel OR NOT
C++" (implying C).

There are places where (void *) pointers

Make NULL a (void*)0 whereever possible, and fix the warnings(-Werror)
that this provokes. "Wherever possible" means "In the kernel OR NOT
C++" (implying C).

There are places where (void *) pointers are not valid, such as for
function pointers, but in the special case of (void *)0, agreement
settles on it being OK.

Most of the fixes were NULL where an integer zero was needed; many
of the fixes were NULL where ascii <nul> ('\0') was needed, and a
few were just "other".

Tested on: i386 sparc64

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Eliminate 61 warnings emitted at WARNS=2 (leaving 53 to go).
Only warnings that could be fixed without changing the generated object
code and without restructuring the source code have been handled.

Eliminate 61 warnings emitted at WARNS=2 (leaving 53 to go).
Only warnings that could be fixed without changing the generated object
code and without restructuring the source code have been handled.

Reviewed by: /sbin/md5

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Fix signed/unsigned comparison warnings. Fix spelling error in
comment.

NetBSD Rev. 1.9 and 1.7

Reviewed by: phk
Obtained from: NetBSD

Change the name for the local unix-socket based protocol
from "unix" back to "local". Add some compat stuff so both
ways work for some time.

Reviewed by: phk
Approved by: imp (UPDATING)
Reque

Change the name for the local unix-socket based protocol
from "unix" back to "local". Add some compat stuff so both
ways work for some time.

Reviewed by: phk
Approved by: imp (UPDATING)
Requested by: iedowse, lukem@netbsd.org

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Fix the style of the SCM ID's.
I believe have made all of libc .c's as consistent as possible.

Remove __P() usage.