CVS log for src/lib/libc/sys/socketpair.2

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socketpair(2): Formatting nits

document the only supported type protocol, document type flags

This uses language taken from OpenBSD's manual page.

Various minor improvements.

* Arrange for interfaces that create new file descriptors to be able to
  set close-on-exec on creation (http://udrepper.livejournal.com/20407.html).

    - Add F_DUPFD_CLOEXEC to fcntl(2).
    - Add MSG_CMSG_CLOEXEC to recvmsg(2) for unix file descriptor passing.
    - Add dup3(2) syscall with a flags argument for O_CLOEXEC, O_NONBLOCK.
    - Add pipe2(2) syscall with a flags argument for O_CLOEXEC, O_NONBLOCK.
    - Add flags SOCK_CLOEXEC, SOCK_NONBLOCK to the socket type parameter
      for socket(2) and socketpair(2).
    - Add new paccept(2) syscall that takes an additional sigset_t to alter
      the sigmask temporarily and a flags argument to set SOCK_CLOEXEC,
      SOCK_NONBLOCK.
    - Add new mode character 'e' to fopen(3) and popen(3) to open pipes
      and file descriptors for close on exec.
    - Add new kqueue1(2) syscall with a new flags argument to open the
      kqueue file descriptor with O_CLOEXEC, O_NONBLOCK.

* Fix the system calls that take socklen_t arguments to actually do so.

* Don't include userland header files (signal.h) from system header files
  (rump_syscallargs.h).

* Bump libc version for the new syscalls.

Sort ERRORS.

Remove note about portability, since PF_UNSPEC will cause socketpair()
to EAFNOSUPPORT on NetBSD(!).  Additionally, at least slowaris and
linux talk only about PF_LOCAL.  Finally, since I'm reading a NetBSD
man page, I foremost care about the code working on NetBSD.

\- is a minus, not -.

Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22280, verified by myself.

Use
.In header.h
instead of
.Fd #include \*[Lt]header.h\*[Gt]
Much easier to read and write, and supported by groff for ages.
Okayed by ross.

Merge the nathanw_sa branch.

Catch up to -current.

bring in a note about portability from openbsd.

Catch up to -current.

Catch up to -current.

Generate <>& symbolically. I'm avoiding .../dist/... directories for now.

Catch up to -current.

Remove inclusion of <sys/types.h> from synopsis; it is no longer needed.

Catch up to -current.

Sort sections, sort SEE ALSO, punctuation and miscellanous fixes.

Pull up to last week's -current.

Add a LIBRARY section to system call manual pages.  While it's clear that the
libraries contain stubs only (with minor exceptions a la pipe(2)), the purpose
of this section is to provide linkage information.

EOPNOTSUPP was incorrectly spelt as EOPNOSUPPORT
add ENFILE to list of errors.

Last of the .Os cleanups.  .Os is defined in the tmac.doc-common file,
so we shouldn't override it with versions in the manpages.  Wheee!

More missing .El's.

Rename section DIAGNOSTICS to RETURN VALUES as descirbed in mdoc.samples(7).
While I'm here, sort some SEE ALSO section and uncapitalize symbol name.

Change occurrences of "UNIX" to .Ux or .At as appropriate.

merge with lite, keeping most local changes.  clean up Ids

from Lite

Use "Er" for argument to -width in the lists in the ERROR sections --- so
the formatting is consistant.

Clean up manpages:
  Use .Fn rather than .Nm macro in HISTORY and STANDARDS sections.
  Use .At and .St macros instead of spelling out "Version 6 UNIX",
	"IEEE 1003.1-1988 (POSIX)", etc.

Add RCS indentifiers.

initial import of 386bsd-0.1 sources

Initial revision