CVS log for src/usr.bin/getconf/getconf.c

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Default branch: MAIN

getconf: clean up obsolete lint stuff

The warning about the "weird expression" was fixed in lint's tree.c
1.201 from 2021-01-31.

Pull up following revision(s) (requested by riastradh in ticket #1943):

	usr.bin/getconf/getconf.c: revision 1.37
	usr.bin/getconf/getconf.1: revision 1.14

PR/57875: Jason Bacon: Try again without an _ for portability.
getconf.1: Note that leading underscores in configuration
variable names are ignored by getconf(1).

While here, add a section with examples, and make the synopsis
more concise.

PR bin/57875

Pull up following revision(s) (requested by riastradh in ticket #1811):

	usr.bin/getconf/getconf.c: revision 1.37
	usr.bin/getconf/getconf.1: revision 1.14

PR/57875: Jason Bacon: Try again without an _ for portability.
getconf.1: Note that leading underscores in configuration
variable names are ignored by getconf(1).

While here, add a section with examples, and make the synopsis
more concise.

PR bin/57875

Pull up following revision(s) (requested by riastradh in ticket #617):

	usr.bin/getconf/getconf.c: revision 1.37
	usr.bin/getconf/getconf.1: revision 1.14

PR/57875: Jason Bacon: Try again without an _ for portability.
getconf.1: Note that leading underscores in configuration
variable names are ignored by getconf(1).

While here, add a section with examples, and make the synopsis
more concise.

PR bin/57875

PR/57875: Jason Bacon: Try again without an _ for portability.

Add _SC_AVPHYS_PAGES.
getconf(1) add this and SC_PHYS_PAGES.
libc: Use vm.uvmexp2 over vm.meter is it's twice as fast on my setup.
getconf.3: Tidy up wording for SC_PHYS_PAGES.

Rebase to HEAD as of a few days ago.

sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs.  ("Protocol error: too many arguments")

Add shm_open(3) and shm_unlink(3) to support POSIX shared memory objects.
They are implemented using tmpfs (mounted at /var/shm).

Discussed on tech-{kern,userlevel} (quite a while ago).

Sync with wrstuden-revivesa-base-2.

setup _POSIX2_C_BIND per SUSv3, from Andy Shevchenko

sync with head.

Remove clause 3 and 4 from TNF licenses

s/_POSIX_MESSAGE_PASSING/_SC_MESSAGE_PASSING/ in value.

sync with HEAD

Implementation of processor-sets, affinity and POSIX real-time extensions.
Add schedctl(8) - a program to control scheduling of processes and threads.

Notes:
- This is supported only by SCHED_M2;
- Migration of LWP mechanism will be revisited;

Proposed on: <tech-kern>. Reviewed by: <ad>.

sync with HEAD

convert __attribute__s to applicable cdefs.h macros

sync with HEAD

Add _SC_NPROCESSORS_ONLN and _SC_NPROCESSORS_CONF for sysconf(). These
are extensions but are provided by many Unix systems.

Implementation of POSIX message queues.

Reviewed by: <ad>, <tech-kern>

- Create sysctl nodes for AIO.
- Add POSIX defined system variables and constants of AIO_LISTIO_MAX and
  AIO_MAX values.  Both with _POSIX_ASYNCHRONOUS_IO, provide them in
  sysconf(3) and getconf(1) interfaces.
- Clean up sysconf(3) for handling sysctl nodes dynamically.

PR/35194: 0 is returned from confstr(3) in two cases:
		- when an error occurred and errno is set appropriately
		- when the variable is undefined.

Thanks to Guy Harris for pointing this out.

PR/35194: confstr(3) returns 0 on failure, not -1.

PR/35027: Nicolas Joly: getconf argument parsing broken.
While there:
	- don't print numbern, print number\n
	- don't leak memory
	- consistently return EXIT_FAILURE
	- fix error checking
	- pass lint

PR/31053: Roland Illig: Enhancement: getconf -a to list all applicable
variables

Thanks for the patch!

Implement sysconf(3) _SC_GETGR_R_SIZE_MAX and _SC_GETPW_R_SIZE_MAX for
the 1003.1-2001 Thread Safe Functions (TSF) getgrnam_r(3) and getpwnam_r(3).

These are not implemented in sysctl(3) "user.*", since that adds a lot
of complexity in the implementation for no real benefit.

fix an error message

Add sysconf(3) knobs for recent additions.

Add a sysconf(3) knob for {ATEXIT_MAX}.

pullup 1.17-1.18 (tron)
Fix acient cut and paste error which made "_POSIX_PATH_MAX" actually
return "_POSIX_PIPE_BUF".

Pull up revision 1.18 (requested by tron in ticket #622):
Fix typo in last commit.

Pull up revision 1.17 (requested by tron in ticket #622):
Fix acient cut and paste error which made "_POSIX_PATH_MAX" actually
return "_POSIX_PIPE_BUF".

Fix typo in last commit.

Fix acient cut and paste error which made "_POSIX_PATH_MAX" actually
return "_POSIX_PIPE_BUF".

Back out previous - I was confused.

Remove obsolete fields "_POSIX_LINK_MAX", "_POSIX_NAME_MAX" and
_POSIX_PATH_MAX".

Add {POSIX_MONOTONIC_CLOCK} variables.

Make gcc 2.96 (and maybe earlier) happier.  Include <stdlib.h>,<string.>,
etc. as appropriate to get exit,srncmp,abs,abort,etc.
Add -I${.CURDIR} to a few Makefiles

We have _SC_2_C_BIND now, enable POSIX2_C_BIND.

Pull up to last week's -current.

1003.1c: add {LOGIN_NAME_MAX}.

Add compile-time and run-time feature test knobs for the 1003.1 Mapped Files,
Process Memory Locking, Range Memory Locking and Memory Protection options.

Support {FILESIZEBITS}.

Add support to query _POSIX_SYNCHRONIZED_IO, _POSIX_SYNC_IO and IOV_MAX;
rearrange the table a bit.

Add support to query PAGESIZE, PAGE_SIZE, _POSIX_FSYNC and _XOPEN_SHM via
sysconf().

WARNSify, fix .Nm usage

Fix tipo inherited from old version of TNF copyright template.

RCS ID police

Update copyright notices, this has been assigned to the NetBSD Foundation.
Fix bug where err() was called instead of errx().

We now have sysconf() & pathconf

Added POSIX.2 getconf utility; although It won't be really useful until
we get sysconf() & pathconf().
Manpage coming soon.