1) Allow the sending of more than one control message at a time
over a unix domain socket. This should cover the PR 29499.
2) This requires that unp_{ex,in}ternalize and unp_scan understand
mbufs with more than one control message at a time.
3) Internalize and externalize used to work on the mbuf in-place.
This made life quite complicated and the code for sizeof(int) <
sizeof(file *) could end up doing the wrong thing. The patch always
create a new mbuf/cluster now. This resulted in the change of the
prototype for the domain externalise function.
4) You can now send SCM_TIMESTAMP messages.
5) Always use CMSG_DATA(cm) to determine the start where the data
in unp_{ex,in}ternalize. It was using ((struct cmsghdr *)cm + 1)
in some places, which gives the wrong alignment on the alpha.
(NetBSD made this fix some time ago).
This results in an ABI change for discriptor passing and creds
passing on the alpha. (Probably on the IA64 and Spare ports too).
6) Fix userland programs to use CMSG_* macros too.
7) Be more careful about freeing mbufs containing (file *)s.
This is made possible by the prototype change of externalise.
PR: 29499
MFC after: 6 weeks
Instead of using 22 as the default cylinders per cylinder group parameter
(the max. value for a 8k/1k FS), compute the maximum value allowed and use
it. It can be overridden by specifying -c of course. This allow for FS built
through the initial installation to have better values.
<machine/ansi.h> for the definition of __signed, unless the compiler
is gcc.
Moved the declaration of socklen_t up together with the declaration of
size_t, and removed low-quality comment about this declaration. Declaring
socklen_t in this file is normal in POSIX-1.200x, unlike declaring size_t.
- bus_generic_map_intr.9. This has been undead for more than 3 years
following the changes in rev.1.4 of sys/bus.h.
- CONDSPLASSERT.9, SPLASSERT.9. These have been undead since SMPng.
They were even less useful than most section 9 man pages -- the
interfaces described in them have never been used in the FreeBSD
source tree.
- only declare the application symbols specified in Posix.1-200x drafts,
not everything in <sys/types.h> and <stddef.h>.
- don't use the application symbol 'm' for an arg name.
in crunch.conf -- the previous choice, CWD, was too subject to false
matches (this string will be replaced by the absolute pathname
during the build process).
