exit(3): clarify how to obtain full exit status of the exited process

Sponsored by: The FreeBSD Foundation
MFC after: 3 days

exit(3): make it thread-safe

It was explained by Rich Felker <dalias@libc.org> on libc-coord.
See https://austingroupbugs.net/view.php?id=1845.

Reviewed by: imp, markj
Tested by: antoine (exp-run)

exit(3): make it thread-safe

It was explained by Rich Felker <dalias@libc.org> on libc-coord.
See https://austingroupbugs.net/view.php?id=1845.

Reviewed by: imp, markj
Tested by: antoine (exp-run)
Sponsored by: The FreeBSD Foundation
MFC after: 1 month
Differential revision: https://reviews.freebsd.org/D46108

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exit.3: add the comma after an empty space

exit(3) man page shows __cxa_atexit(3,) instead of __cxa_atexit(3), in a
particular section. It seems the comma gets inside the parenthesis and
with an ext

exit.3: add the comma after an empty space

exit(3) man page shows __cxa_atexit(3,) instead of __cxa_atexit(3), in a
particular section. It seems the comma gets inside the parenthesis and
with an extra space, it can be viewed as expected.

Signed-off-by: rilysh <nightquick@proton.me>
Reviewed by: imp
Pull Request: https://github.com/freebsd/freebsd-src/pull/1006

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lib: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl s

lib: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl script.

Sponsored by: Netflix

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Remove $FreeBSD$: one-line nroff pattern

Remove /^\.\\"\s*\$FreeBSD\$$\n/

_Exit(3): document implementation

Remove a useless note about unlinking temporary files, they are unlinked
in tmpfile(3) [1]. Add a note about __cxa_atexit().

Explain exactly what are the FreeBSD

_Exit(3): document implementation

Remove a useless note about unlinking temporary files, they are unlinked
in tmpfile(3) [1]. Add a note about __cxa_atexit().

Explain exactly what are the FreeBSD implementation differences between
exit() and _Exit().

Noted by: markj [1]
Reviewed by: emaste, markj
Sponsored by: The FreeBSD Foundation
MFC after: 3 days
Differential revision: https://reviews.freebsd.org/D31425

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exit(3): Add HISTORY section

PR: 240259
Submitted by: Gordon Bergling
Obtained from: OpenBSD
Differential Revision: https://reviews.freebsd.org/D24146

Bump the date on man pages in r334306

It seems a shame to ruin the patina of the June 4, 1993 date
on abort.3, especially since it still matched the date of
the SCCS ID, but those are the rules.

Re

Bump the date on man pages in r334306

It seems a shame to ruin the patina of the June 4, 1993 date
on abort.3, especially since it still matched the date of
the SCCS ID, but those are the rules.

Reported by: araujo
MFC after: 3 days
Sponsored by: Dell EMC

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Cross-reference abort2(2) from a few man pages

I didn't know abort2 existed until it was mentioned on a mailing list.
Mention it in related pages so others can find it easily.

MFC after: 3 days
Spo

Cross-reference abort2(2) from a few man pages

I didn't know abort2 existed until it was mentioned on a mailing list.
Mention it in related pages so others can find it easily.

MFC after: 3 days
Sponsored by: Dell EMC

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Merge sync of head

Reintegrate head: r274132-r277384

Sponsored by: The FreeBSD Foundation

Reintegrate head revisions r273096-r277147

Sponsored by: The FreeBSD Foundation

MFhead @ r276594

Merge ^/head r274961 through r276301.

Various mdoc fixes and a few EOL whitespace removals.

Found with: mandoc -Tlint

Merge from head

IFC @ r254014

IFC @253398

Merge fresh head.

Renumber clauses to reduce diffs to other versions

NetBSD, OpenBSD, and Android's Bionic number the clauses 1 through 3,
so follow suit to make comparison easier.

IFC @230489 (pending review).

IFC to head to catch up the bhyve branch

Approved by: grehan@

Implement quick_exit() / at_quick_exit() from C++11 / C1x. Also add a
__noreturn macro and modify the other exiting functions to use it.

The __noreturn macro, unlike __dead2, must be used BEFORE th

Implement quick_exit() / at_quick_exit() from C++11 / C1x. Also add a
__noreturn macro and modify the other exiting functions to use it.

The __noreturn macro, unlike __dead2, must be used BEFORE the function.
This is in line with the C and C++ specifications that place _Noreturn (c1x)
and [[noreturn]] (C++11) in front of the functions. As with __dead2, this
macro falls back to using the GCC attribute.

Unfortunately, clang currently sets the same value for the C version macro
in C99 and C1x modes, so these functions are hidden by default. At some
point before 10.0, I need to go through the headers and clean up the C1x /
C++11 visibility.

Reviewed by: brooks (mentor)

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Per Regents of the University of Calfornia letter, remove advertising
clause.

# If I've done so improperly on a file, please let me know.

Sort SEE ALSO references (in dictionary order, ignoring case).