multiple MIB entries using sysctl in short order, which might
result in unexpected values for tcp_maxidle being generated by
tcp_slowtimo. In practice, this will not happen, or at least,
doesn't require an explicit comment.
MFC after: 2 weeks
substitute for a global mutex protecting the socket count and
generation number.
The observation that soreceive_rcvoob() can't return an mbuf
chain is a property, not a bug, so remove the XXXRW.
In sorflush, s/existing/previous/ for code when describing prior
behavior.
For SO_LINGER socket option retrieval, remove an XXXRW about why
we hold the mutex: this is correct and not dubious.
MFC after: 2 weeks
unnecessary use of a global variable and simplify the return case.
While here, use ()'s around return values.
In sodealloc(), remove a comment about why we bump the gencnt and
decrement the socket count separately. It doesn't add
substantially to the reading, and clutters the function.
MFC after: 2 weeks
After this change, when component is disconnected because of an I/O error,
it will not be connected and synchronized automatically, it will be logged
as broken and skipped. Autosynchronization can occur, when component is
disconnected (on orphan event) and connected again - there were no I/O
error, so there is no need to not connected the component, but when there were
writes while it wasn't connected, it will be synchronized.
This fix cases, when component is disconnected because of I/O error and can be
connected again and again.
- Bump version number.
- Add version change history.
- Implement backward compatibility mechanism. After this change when metadata in
old version is detected, it is automatically upgraded to the new (current)
version.
intent was (and still is) that if a user has say
CPUTYPE=i686 set in /etc/make.conf, we don't print
the assignment type warning unless TARGET_CPUTYPE
is overridden.
Unfortunately, the implementation was buggy, and
only recent changes to bsd.cpu.mk that swapped
canonical and alias values of some CPU types made
the bug apparent.
Here's what happens here.
- CPUTYPE=i686 is set in /etc/make.conf,
- bsd.cpu.mk reset it to "pentiumpro",
- Makefile.inc1 compares this canonical value
with the result of the following test,
make -f /dev/null CPUTYPE=pentiumpro -V CPUTYPE
and expects the result to be "pentiumpro" too,
but "i686" is returned, here's why. We have two
CPUTYPE variables, global, set to "i686" in
/etc/make.conf, and command-line (of a higher
precedence), set to "pentiumpro".
The following part of bsd.cpu.mk,
. elif ${CPUTYPE} == "i686"
CPUTYPE = pentiumpro
which is responsible for converting aliases to
canonical values, sees the value of the CPUTYPE
command-line variable first, "pentiumpro", and
no conversion is done -- the net effect is that
CPUTYPE global stays with its old value "i686",
and "make -V CPUTYPE" (which prints variables
in the global context) returns "i686".
The fix was to pass the CPUTYPE in the test above
as an environment variable instead of as a command
line variable, i.e.,
CPUTYPE=pentiumpro make -f /dev/null -V CPUTYPE
This time, CPUTYPE global is still set to "i686"
initially (by /etc/make.conf), and an envieronment
variable CPUTYPE (of a lower precedence) is set
to "pentiumpro". The .elif sees it's set to
"i686" and resets it to "pentiumpro", and so
"make -V" returns "pentiumpro".
NB: these various types of make(1) variables can
be very painful, especially when combined with
"make -V".
occur between a reader and a writer that results in a panic upon close,
e.g.,
"panic: sbflush_locked: cc 4 || mb 0xffffff0052afa400 || mbcnt 0"
Reviewed by: rwatson@
MFC after: 2 weeks
methods:
Read can see O_NONBLOCK and O_DIRECT.
Write can see O_NONBLOCK, O_DIRECT and O_FSYNC.
In addition O_DIRECT is shadowed as IO_DIRECT for now for backwards
compatibility.
fcntl.h.
This is in preparation for making the flags passed to device drivers be
consistently from fcntl.h for all entrypoints.
Today open, close and ioctl uses fcntl.h flags, while read and write
uses vnode.h flags.
catman /usr/share/man/man8
cd /usr/share/man; catman man8
- Don't print false warnings about invalid cat pages which are
machine-specific cat page subdirectories (visible with -v).
- Fixed one memory leak.
disk. This is main reason why sysinstall presents SCSI CDROM to
available disks in Fdisk/Label menu. In addition, adding a blank
SCSI CDROM to the menu generates floating point exception in sparc64.
Disk_Names() just extracts sysctl "kern.disks". Why GEOM treats SCSI
CDROM as a disk is beyond me and that should be investigated.
For temporary workaround, ignore SCSI CDROM device.
PR: sparc64/72962
Tested by: R. Tyler Ballance < tyler AT tamu DOT edu>
MFC after: 1 week
