stale obj directory and we wouldn't want to do that! I trust he knows
what he's talking about. 8-)
Also avoid building libm at all until the NetBSD asm code is imported.
I wrongly commented this out last time. Oops.
that this source is compiled against. This source is referenced by
install which is needed as a build tool and must be able to compile
against NetBSD headers and libraries if we have a hope of supporting
another architecture.
With this change, that's two working programs down and 3945 (?) to go.
The other one was make, but that didn't need any changes to work under
FreeBSD/Alpha. 8-)
to another architecture (in this case the Alpha) we can continue to use
the host csu objects (from NetBSD). This should be a non-function change
to FreeBSD/i386.
case has very little to do with the output size being larger than
INT_MAX.
2. The new #include of <limits.h> was disordered.
3. The new declaration of `on' was disordered (integer types go together).
4. Testing an unsigned value for > 0 was fishy.
Submitted by: bde
mlock, mmap, mprotect, msync, munlock, and munmap are defined by
POSIX as taking void *. The const modifier has been added to
mlock, munlock, and mprotect as the standard dictates.
minherit comes from OpenBSD and has been updated to conform with
their recent change to void *.
madvise and mincore are not defined by POSIX, but their arguments
have been modified to be consistent with the POSIX-defined functions.
mincore takes a const pointer, but madvise does not due to the
MADV_FREE case.
Discussed with: bde
at the first position on either of the last two lines of the
screen. Ie. append contents of current line to the previous
line and scroll the next line's contents up.
PR: 5392
Submitted by: Kouichi Hirabayashi <kh@mogami-wire.co.jp>
instead of Singe Unix, thanx Bruce for explaining, I am not realize
standards war was there.
But now, fix n == 0 case to not return error and fix check for too
big n.
Things left to do: check for overflow in arguments.
Final word is Bruce's quote:
C9x specifies the BSD4.4-Lite behaviour:
[#3] ... Thus, the
null-terminated output has been completely written if and
only if the returned value is less than n.
It means that if we not have any null-terminated output as for n == 0
we can't return value less than n, so we forced to return value
equal to n i.e. 0
The next good thing is glibc compatibility, of course.
2) Do check for too big n in machine-independent way.
3) Minor optimization assuming EOF is < 0
The main argument is that it is impossible to determine if %n evaluated or not
when snprintf return 0, because it can happens for both n == 0 and n == 1.
Although EOF here is good indication of the end of process, if n is
decreased in the loop...
Since it is already supposed in many places that EOF *is* negative, f.e.
from Single Unix specs for snprintf
"return ... a negative value if an output error was encountered"
this not makes situation worse.
to pass not more than buffer size to %n agrument, old variant
always assume infinite buffer.
%n is for actually transmitted characters, not for planned ones.
"return the number of bytes needed, rather the number used"
According to Single Unix specs:
Upon successful completion, these functions return the number of bytes
transmitted excluding the terminating null
1) if buffer size is smaller than arguments size, return buffer
size, not arguments size as before.
2) if buffer size is 0, return 0, not EOF as before.
(now it is compatible with Linux and Apache implementations too).
NOTE: Single Unix specs says:
If the value of n {buffer size} is zero on a call to snprintf(), an
unspecified value less than 1 is returned.
It means we can't return EOF since EOF can take *any* value in general
not especially < 1. Better variant will be return -1 (it is less then
1 and different with n == 1 case) but -1 value is already occuped by
EOF in our implementation, so we can't distinguish true IO error
in that case. So 0 here is only possible case still conforming
to Single Unix specs.
where shared libraries are in /lib and almost everything is linked
shared. First, they removed the old shared library before installing
the new one. Second, they attemped a cross-device link from /lib
to /usr/lib/compat.
a malloc. The signal handler creates a thread which requires a malloc...
For now, the only thing to do is to block signals. When we move user
pthreads to use the kernel threads, mutexes will be implemented in kernel
space and then malloc can revert.
In the man page Use ".Pp" instead of blank lines, adopt English
and stress that the Julian->Gregorian switch took place at
different dates in different countries.
Suggested by: Garrett.
to the same version numbers as 2.2.x.
The problem with the way things were was:
- if you took a 2.2.x binary, it either wouldn't run on -current or
if you had the old -current version of libtermcap.so.2.1 then it could
potentially be a security problem.
- the alternative is to start a compat22 tree dist for -current with a
uuencoded binary. This makefile hack is less cost.
libtermcap.so.3.0 is provided via /usr/lib/compat to avoid transition
problems.
a similar way to libc. Sigh. This is not pretty but seems to work.
Somthing like this was needed in preference to bogusly bumping the major
library number here.
The syscall(SYS_issetugid) idea is originally Bruce's.
functions would return -1 and set errno to indicate the specific error.
POSIX requires that the functions return the error code as the return
value of the function instead.
on systems where long doubles are just doubles. FreeBSD hasn't
been such a system since it started using gcc-2.5 many years ago.
The fix is of low quality. It loses precision.
scanf() of long doubles doesn't seem to be used much, but gdb-4.16
uses %Lg format in its expression parser if it thinks that the
system supports printf'ing of long doubles. The symptom was that
floating point literals were usually interpreted to be 0.0.
Note this ONLY affects the function version - the macro version is always
used unless for some reason you put #undef sigismember in your code before
calling it.
PR: 3615
Submitted by: Nanbor Wang <nw1@cs.wustl.edu> (slightly amended patch)
Obtained from: Whistle Communications tree
Add an option to the way UFS works dependent on the SUID bit of directories
This changes makes things a whole lot simpler on systems running as
fileservers for PCs and MACS. to enable the new code you must
1/ enable option SUIDDIR on the kernel.
2/ mount the filesystem with option suiddir.
hopefully this makes it difficult enough for people to
do this accidentally.
see the new chmod(2) man page for detailed info.
Ever since I first say the way the mount flags were used I've hated the
fact that modes, and events, internal and exported, and short-term
and long term flags are all thrown together. Finally it's annoyed me enough..
This patch to the entire FreeBSD tree adds a second mount flag word
to the mount struct. it is not exported to userspace. I have moved
some of the non exported flags over to this word. this means that we now
have 8 free bits in the mount flags. There are another two that might
well move over, but which I'm not sure about.
The only user visible change would have been in pstat -v, except
that davidg has disabled it anyhow.
I'd still like to move the state flags and the 'command' flags
apart from each other.. e.g. MNT_FORCE really doesn't have the
same semantics as MNT_RDONLY, but that's left for another day.
PR: 4555
Submitted by: Dmitrij Tejblum <tejblum@arc.hq.cti.ru>
[0x0400 - 0xffff] [bbbbbbbb.bbbbbbbb] -> 1110bbbb, 10bbbbbb, 10bbbbbb
.Ed
.Pp
If more than a single representation of a value exists (for example,
0x00; 0xC0 0x80; 0xE0 0x80 0x80) the shortest representation is always
used (but the longer ones will be correctly decoded).
.Pp
The final three encodings provided by X-Open:
.Bd -literal
[00000000.000bbbbb.bbbbbbbb.bbbbbbbb] ->
11110bbb, 10bbbbbb, 10bbbbbb, 10bbbbbb
[000000bb.bbbbbbbb.bbbbbbbb.bbbbbbbb] ->
111110bb, 10bbbbbb, 10bbbbbb, 10bbbbbb, 10bbbbbb
[0bbbbbbb.bbbbbbbb.bbbbbbbb.bbbbbbbb] ->
1111110b, 10bbbbbb, 10bbbbbb, 10bbbbbb, 10bbbbbb, 10bbbbbb
.Ed
.Pp
which provides for the entire proposed ISO-10646 31 bit standard are currently
not implemented.
.Sh "SEE ALSO"
.Xr mklocale 1 ,
.Xr setlocale 3
@
1.4
log
@Don't use hardcoded *roff font change requests. Do it
via mdoc macros instead.
@
text
@d37 1
a37 1
.Dd "June 4, 1993"
@
1.3
log
@Very minor mdoc cleanup.
@
text
@d44 2
a45 1
\fBENCODING "UTF2"\fP
@
1.2
log
@Another round of various man page cleanups.
@
text
@d65 1
a65 1
.sp
d81 1
a81 1
.sp
@
1.2.2.1
log
@YAMFC:
Commit all of the -current changes that apply to 2.2. These fall into
several categories:
- Cosmetic/mdoc changes. They don't really afect the output
at all, but having them in 2.2 will make it easier to diff the man
pages later when looking for real changes.
- Update some man pages to reflect the current 2.2 header files.
- Sort xrefs.
- A few typo fixes.
- And a few changes that actualy added text to the man page that should
be reflected in 2.2.
- Add some missing MLINKS.
Requested by: bde
@
text
@d44 1
a44 2
.Nm ENCODING
.Qq UTF2
d65 1
a65 1
.Pp
d81 1
a81 1
.Pp
@
1.2.2.2
log
@MFC: Just the locale fixes (small doc tweaks for the most part)
and the new strptime(3) call. Having added something, does this
require a version bump? Haven't we bumped once already?
There are a *LOT* of additional 3.0 changes to be merged but I'm not
entirely comfortable with some of them so I'll take the conservative
(read: cowardly :) way out and just merge this much.
@
text
@d37 1
a37 1
.Dd June 4, 1993
@
1.1
log
@Initial revision
@
text
@d41 1
a41 1
.Nm UTF2
@
1.1.1.1
log
@BSD 4.4 Lite Lib Sources
@
text
@@
1.1.1.1.6.1
log
@Phase 2 of merge - also fix things broken in phase 1.
Watch out for falling rock until phase 3 is over!
libc completely merged except for phkmalloc & rfork (don't know if David
wants that).
Some include files in sys/ had to be updated in order to bring in libc.
@
text
@d41 1
a41 1
.Nm utf2
@
1.1.1.1.6.2
log
@This 3rd mega-commit should hopefully bring us back to where we were.
I can get it to `make world' succesfully, anyway!
@
text
@d41 1
a41 1
.Nm UTF2
@
partway through its attempt to decode the result structure sent by
the server. If this happens, it can leave the result partially
populated with dynamically allocated memory. In this event, the
xdr_replymsg() failure is detected and RPC_CANTDECODERES is returned,
but the memory in the partially populated result struct is not
free()d.
The end result is that memory is leaked when an RPC_CANTDECODERES
error occurs. (This condition can occur if a CLIENT * handle is created
using clntudp_bufcreate() with a receive buffer size that is too small
to handle the result sent by the server.)
Fixed by setting reply_xdrs.x_op to XDR_FREE and calling
xdr_replymsg() again to free the memory if an RPC_CANTDECODERES error
is detected.
I suspect that the clnt_tcp.c, clnt_unix.c and clnt_raw.c modules
may ha a similar problem, but I haven't duplicated the condition with
those yet.
Found by: dbmalloc
to fail under certain circumstances.
1. In one spot, the ifr_flags member was being examined in the
wrong structure, thus it contained garbage. On a machine in which
only the loopback interface was up, this caused everything that
wanted to talk to the portmapper to fail -- a particular problem
with laptops, where the pccard ethernet interface is likely to come
up long after the attempt to start mountd, nfsd, amd, etc.
2. Compounding the above problem, get_myaddress() returned a
successful status even though it failed to find an address that it
considered good enough.
This fixes bugs in the manual handling. abs.[cS] was handled too
specially and the wrong (.c) variant for each of div.[cS], labs.[cS]
and ldiv.[cS] was added to SRCS. This caused the .c variant to be
used if `depend' was made and the .S version to be used otherwise.
The names of m-d variants are now added (manually) to MDSRCS instead
of to SRCS, and the names of all machine-independent (m-i) variants
that can reasonably be replaced by an m-d variant are now added
(manually) to MISRCS instead of to SRCS, so that a simple substitution
can be used to discard the unused m-i variants. MISRCS is potentially
all m-i sources, but the substitution is too simple to be fast, so
MISRCS should be kept reasonably small.
libc/Makefile.inc:
Do the substitution.
libc/i386/string/Makefile.inc:
Add to MDSRCS instead of to SRCS. Add the names of all sources in this
directory, but no others.
libc/string/Makefile.inc
Add to MISRCS instead of to SRCS. Add the names of all sources in this
directory. Don't use (broken) explicit rules for special cases.
for the entire time that it was there, so obviously nothing needs it
anymore.
Note, unix98/single-unix spec v2 says that usleep() returns an int rather
than a void, to indicate whether the entire time period elapsed (0) or an
error (eg: signal handler) interrupted it (returns -1, errno = EINTR)
It is probably useful to make this change but I'll test it locally first
to see if this will break userland programs [much]...
Reviewed by: ache, bde
back to the original single nanosleep() implementation. This is POSIX and
Unix98 (aka single-unix spec v2) compliant behavior. If a program sets
alarm(2) or an interval timer (setitimer(2)) without a SIGALRM handler
being active, sleep(3) will no longer absorb it, and the program will get
what it asked for..... :-]
The original reason for this in the first place (apache) doesn't seem to
need it anymore, according to Andrey.
Reviewed by: ache, bde
made to the RPC code some months ago. The value of __svc_fdsetsize is being
calculated incorrectly.
Logically, one would assume that __svc_fdsetsize is being used as a
substitute for FD_SETSIZE, with the difference being that __svc_fdsetsize
can be expanded on the fly to accomodate more descriptors if need be.
There are two problems: first, __svc_fdsetsize is not initialized to 0.
Second, __svc_fdsetsize is being calculated in svc.c:xprt_registere() as:
__svc_fdsetsize = howmany(sock+1, NFDBITS);
This is wrong. If we are adding a socket with index value 4 to the
descriptor set, then __svc_fdsetsize will be 1 (since fds_bits is
an unsigned long, it can support any descriptor from 0 to 31, so we
only need one of them). In order for this to make sense with the
rest of the code though, it should be:
__svc_fdsetsize = howmany(sock+1, NFDBITS) * NFDBITS;
Now if sock == 4, __svc_fdsetsize will be 32.
This bug causes 2 errors to occur. First, in xprt_register(), it
causes the __svc_fdset descriptor array to be freed and reallocated
unnecessarily. The code checks if it needs to expand the array using
the test: if (sock + 1 > __svc_fdsetsize). The very first time through,
__svc_fdsetsize is 0, which is fine: an array has to be allocated the
first time out. However __svc_fdsetsize is incorrectly set to 1, so
on the second time through, the test (sock + 1 > __svc_fdsetsize)
will still succeed, and the __svc_fdset array will be destroyed and
reallocated for no reason.
Second, the code in svc_run.c:svc_run() can become hopelessly confused.
The svc_run() routine malloc()s its own fd_set array using the value
of __svc_fdsetsize to decide how much memory to allocate. Once the
xprt_register() function expands the __svc_fdset array the first time,
the value for __svc_fdsetsize becomes 2, which is too small: the resulting
calculation causes the code to allocate an array that's only 32 bits wide
when it actually needs 64 bits. It also uses the valuse of __svc_fdsetsize
when copying the contents of the __svc_fdset array into the new array.
The end result is that all but the first 32 file descriptors get lost.
Note: from what I can tell, this bug originated in OpenBSD and was
brought over to us when the code was merged. The bug is still there
in the OpenBSD source.
Total nervous breakdown averted by: Electric Fence 2.0.5
to POSIX.2. In particular:
- don't retry for ETXTBSY. This matches what sh(1) does. The retry code
was broken anyway. It only slept for several seconds for the first few
retries. Then it retried without sleeping.
- don't abort the search for errors related to the path prefix, in
particular for ENAMETOOLONG, ENOTDIR, ELOOP. This fixes PR1487. sh(1)
gets this wrong in the opposite direction by never aborting the search.
- don't confuse EACCES for errors related to the path prefix with EACCES
for errors related to the file. sh(1) gets this wrong.
- don't return a stale errno when the search terminates normally without
finding anything. The errno for the last unsuccessful execve() was
usually returned. This gave too much precedence to pathologies in the
last component of $PATH. This bug is irrelevant for sh(1).
The implementation still uses the optimization/race-inhibitor of trying
to execve() things first. POSIX.2 seems to require looking at file
permissions using stat(). We now use stat() after execve() if execve()
fails with an ambiguous error. Trying execve() first may actually be a
pessimization, since failing execve()s are fundamentally a little slower
than stat(), and are significantly slower when a file is found but has
unsuitable permissions or points to an unsuitable interpreter.
PR: 1487
'slow' lookup if we get a YPERR_MAP (no such map in server's domain) error
instead of failing over on any error. In the latter case, if the 'fast'
search fails legitimately (i.e. the user or host really isn't a member
of the specified netgroup) then we end up doing the 'slow' search and
failing all over again. The result is still correct, but cycles are
consumed for no good reason.
Also removed the #ifdef CHARITABLE since the compat kludge is no longer
optional.
that if searching through the special netgroup.byhost or netgroup.byuser
maps didn't work, we would roll over to the 'slow' method of grovelling
though the netgroup map and working out the dependencies on the fly.
But I left this option hidden inside an #ifdef CHARITABLE since I
didn't think I'd ever need it.
Well, the Sun rpc.nisd NIS+ server in YP compat mode doesn't support
the .byhost and .byuser reverse maps, so the failover is necessary
in order to be compatible. *sigh*
This closes PR #3891, and should be merged into RELENG_2_2.
ISSUES:
An example and better explansion on how to specify a user's login
class in /etc/master passwd is needed.
(As I don't seem to be specifiying it right, I can't do it).
can return UNIX errnos. When UNIX errnos catch up with FTP status
codes (e.g. at 100) a new way will have to be found to tell which
is which.
This allows fetch to print errors like
fetch: ftp.fu-berlin.de: No route to host
instead of
fetch: ftp.fu-berlin.de: Unknown error
nuked file descriptor. This is probably why sysinstall's ftp xfer
occasionally SEGV'd if you left things alone for a long time and
the timeout code got called. Whoops!
$ vipw
[corrupt a line in editor, exit editor]
pwd_mkdb: corrupted entry
pwd_mkdb: at line #2
pwd_mkdb:
/etc/pw.012585: Inappropriate file type or format
re-edit the password file? [y]: n^D^D
[hang]
plain 0 should be used. This happens to work because we #define
NULL to 0, but is stylistically wrong and can cause problems
for people trying to port bits of code to other environments.
PR: 2752
Submitted by: Arne Henrik Juul <arnej@imf.unit.no>
an unimplemented syscall returned ENOSYS, rather than EINVAL. I have run
statically linked code with this wrapper and it does appear to work fine
on 2.2-stable which doesn't have poll(). ktrace shows the poll syscall fail
once and the fallback to select() working.
if necessary. This removes the need to malloc large fd_set's for selecting
on high fd's (larger than FD_SETSIZE at libc compile time).
The syscall adaptive stuff only happens on the very first call. SIGSYS
is masked, and if the call to poll fails with ENOSYS, then we use select
for the life of the program. If poll does not fail with ENOSYS, then we
always use poll and skip the once-off signal masking gunk.
This may be overkill, but it saved my neck a few times while working on
multiple different sets of kernel sources, some with poll, some without.
things like libskey.so to be dynamically self contained.
Things like md5(1) where speed is critical should still link with libmd.a,
but for things like login, where it's a once-off call if skey is used, it's
not worth the hassle.
#defines that are compatable with ours). I made some some minor tweaks
to the leading '_' tests.
Again, this is off by default for the moment. This probably should be
split into seperate files (like some of our other libc files that could
do with some splitting).
Obtained from: OpenBSD (plus some minor tweaks)
tree. Also merge in fix to NetBSD PR #1495. These represent 1.3-1.9 in
the OpenBSD tree. Make minor KNF changes to new code (which is in the
OpenBSD as 1.10). This avoids the symlink race problems.
These patches should go into 2.2.5 before the ship if they don't
break anything in -current.
Reviewed by: Bruce Evans
Obtained from: OpenBSD
undefined symbol referenced from libc. Without the stub, it is
impossible to execute any program using the shared library if
LD_BIND_NOW=1 is in the environment. The stub always returns
failure, but it can be overridden outside the library when necessary.
I don't know whether this is the "correct" fix, but it is intolerable
to have any undefined symbols referenced from libc.
and return to previous Peter's variant.
POSIX says that this place is implementation defined and old variant allows
application block SIGALRM and sleep and not be killed by external SIGALRMs.
BTW, GNU sleep f.e. sleeps forever in blocked SIGALRM :-)
acceptable range for tv_sec to the magic number 100000000 (which at
least ought to be declared in a header file, and explained in the
non-existing man page, as well as in the existing man pages for
nanosleep(2) & Co.).
PR: bin/4259
modify the original `no modifications' copyright message, and i've
included his mail into the source file.
The common localization functions between strptime(3) and strftime(3)
have been broken out into timelocal.[ch].
Use 'beforedepend' instead of '.depend' to hang automatically-generated
headers off.
XXX the latter is bogus without a 'beforeall' target and explicit ordering
of dependancy generation for targets.
lifetime of the call, just like the old implementation did. Previously,
we were only eating them if the application did not call sleep()/usleep()
with SIGALRM masked.
Submitted by: ache
and forgot what I was trying to do originally and accidently zapped
a feature. :-] The problem is that we are converting a counted buffer in
a malloc pool into a null terminated C-style string. I was calling realloc
originally to shrink the buffer to the desired size. If realloc failed, we
still returned the valid buffer - the only thing wrong was it was a tad
too large. The previous commit disabled this.
This commit now handles the three cases..
1: the buffer is exactly right for the null byte to terminate the
string (we don't call realloc).
2: it's got h.left = 0, so we must expand it to make room. If realloc
fails here, it's fatal.
3: if there's too much room, we realloc to shrink it - a failed realloc
is not fatal, we use the original buffer which is still valid.
Dmitrij Tejblum <dima@tejblum.dnttm.rssi.ru>
Various cleanup from Keith Bostic
Reinstate calloc() as a separate funtion, in its own source/object file.
leave the manpage integrated with malloc.3 and friends. Too many things
were broken in this respect.
PR: 4002
Reviewed by: phk
Submitted by: Dmitrij Tejblum <dima@tejblum.dnttm.rssi.ru>
Submitted by: Keith Bostic <bostic@bostic.com>
Only call malloc() if the fd is too big for the compiled in fd_set size,
and don't use calloc either. This should reduce the impact of conflicts
with private malloc implementations etc. When using the fd_set on the
stack, only zero what is needed rather than all 1024 bits like FD_ZERO did.
Various portability and stylistic cleanups.
Kill MALLOC_STATS & the 'D' option.
Fix the 'V' option.
Major overhaul of the man-page.
You milage should not vary.
Reviewed by: Keith Bostic <bostic@bostic.com>
Submitted by: Keith Bostic <bostic@bostic.com>
The logic in get_myaddress() is broken: it always returns the loopback
address due to the following rule:
if ((ifreq.ifr_flags & IFF_UP) &&
ifr->ifr_addr.sa_family == AF_INET &&
(loopback == 1 && (ifreq.ifr_flags & IFF_LOOPBACK))) {
The idea is that we want to select the interface address only if it's
up and it's in the AF_INET family. If it turns uout we don't have
such an interface available, we make a second pass through the loop,
this time settling for the loopback interface. But the logic inadvertently
locks out all cases when loopback == 0, so nothing is ever selected until
the second pass (when loopback == 1).
This is changed to:
if (((ifreq.ifr_flags & IFF_UP) &&
ifr->ifr_addr.sa_family == AF_INET) ||
(loopback == 1 && (ifreq.ifr_flags & IFF_LOOPBACK))) {
which I think does the right thing.
This is yet another bogon I discovered during NIS+ testing; I need
get_myaddress() to work correctly so that the callback code in the
client library will work.
srandomdev(), but can be used inside libraries. random() can't be used
inside libraries because it breaks its possible predictable sequence.
arc4random() is true random as designed, so its usage is library-safe.
Obtained from: OpenBSD
implement (better) falback code inside srandomdev() itself.
Change return type from int to void (binary compatibility surprisely
achieved). Userland code will be changed soon.
The addition of the nanosleep syscall was correctly added to
libc/sys/Makefile so that it is renamed as _thread_sys_nanosleep().
This syscall is one of those that libc_r has to re-implement because
the only behaviour is to block the process. So libc_r just ignores the
fact that a nanosleep syscall exists and goes its own way - as it has
done all along .... and now it does again. And now a simple program
can sleep again. Phew.
Malloc cannot use pthread_mutex_init() to initialize a mutex because
the mutex initialization process does a malloc!
libc_r internals skip the malloc and assign an initializer to a static
structure and point the opaque type (pthread_mutex_t in this case) to
that structure. This is done on the assumption that the mutex will never
be destroyed. This style of initialization is only valid inside libc_r
because the structure that is assigned is opaque to the user.
This fix allows a simple program to get to main() again. 8-)
semantics of the old sleep for compatability with a few decades of expected
side effects. Apache breaks if we just use nanosleep() for some reason,
here we use a new signanosleep() syscall which is kinda like a hybrid of
sigsuspend and nanosleep..
Reviewed by: ache (and tested on his apache that was failing when
sleep used plain nanosleep)
These changes add the ability to specify that a UFS file/directory
cannot be unlinked. This is basically a scaled back version
of the IMMUTABLE flag. The reason is to allow an administrator
to create a directory hierarchy that a group of users
can arbitrarily add/delete files from, but that the hierarchy
itself is safe from removal by them.
If the NOUNLINK definition is set to 0
then this results in no change to what happens normally.
(and results in identical binary (in the kernel)).
It can be proven that if this bit is never set by the admin,
no new behaviour is introduced..
Several "good idea" comments from reviewers plus one grumble
about creeping featurism.
This code is in production in 2.2 based systems
-DUSE_NANOSLEEP. Also, seperate the code for _THREAD_SAFE so that it uses
the simpler threaded nanosleep() call in libc_r.. We don't go to the same
extremes for emulating traditional sleep semantics (ie: eating any SIGALRM
that might happen) which things like apache seem to depend on.
- bde's change to includes section in getrpcent.3
- Lost comment in svc_run.c (the code here was actually the same since
I had fixed the 'fds + 1' bug in my stuff at home before mailing
Peter about it, but I didn't notce that he'd made a change to the
comment right above the changed line).
Also pointed out by the ever vigilant: bde
This concludes tonight's entertainment. Once I'm sure I haven't destroyed
the world with all these changes, I'll import the utilities. Everything
should continue to work as before. If it doesn't let me know.
Special thanks to Mark Murray for running a test 'make world' for me to
shake out the bugs, which, hopefully, I have fixed.
(And there was much rejoicing.)
Note: you'll need to rinstalkl all your includes before compiling libc
the next time you update your sources in order for all this to work.
Reviewed by: Mark Murray
ppp (or will be shortly). Natd can now be updated to use
this library rather than carrying its own version of the code.
Submitted by: Charles Mott <cmott@srv.net>
visible type names in prototypes in user space headers. libutil.h
generates warnings with -Wall over the use of "const char *ttyname".
It's lucky it wasn't a #define conflict.
Is a single '_' prefix acceptable? or does it need to be two?
value, it appears as though the semantics of usleep are that it doesn't
return early. (only in the nanosleep code - the setitimer code does this
already)
(nanosleep) breaks Apache httpd badly: his childs died quickly after
number of requests (SIGPIPE). To reproduce this bug start
gdb /usr/local/sbin/httpd
run -X
and make some bunch of concurent requests (load the server pages
from 3 different places f.e.)
After short time httpd dies via SIGPIPE. It never dies with old sleep.c
In real life it looks like lots of broken images on the pages or missing
pages. Lynx says about Network read error, etc.
It seems something wrong in nanosleep signal handling.
back as designed in *BSD
Also it not violates current standards but
1) No other Unixes have this feature
2) It broke Kerberos5 (isprint) and God knows what else
(not all vendors will agree to treat FreeBSD as special case for support
since (1))
2) Give false localization sense (programs mimic to be 8859-1
localized) which prevents true localization.
bumped only 0.1 or 1.0 between releases. (See handbook.)
Note that if you have built world in -current in the last 48 hours or
so, you should manually remove /usr/lib/libutil.so.2.3 before
rebuilding world to cleanse your system.
o Incorporated BSDI code and enhancements, better logging for error
checking (which has been shown to be a problem, and is therefore
justified, imho); also some minor things we were missing, including
better quad_t math, which checks for under/overflows.
o setusercontext() now allows user resource limit overrides, but
does this AFTER dropping root privs, to restrict the user to
droping hard limits and set soft limits within the kernel's
allowed user limits.
o umask() only set once, and only if requested.
o add _secure_path(), and use in login.conf to guard against
symlinks etc. and non-root owned or non-user owned files being
used. Derived from BSDI contributed code.
o revamped authentication code to BSDI's latest api, which
includes deleting authenticate() and adding auth_check()
and a few other functions. This is still marked as depecated
in BSDI, but is included for completeness. No other source
in the tree uses this anyway, so it is now bracketed with
#ifdef LOGIN_CAP_AUTH which is by default not defined. Only
auth_checknologin() and auth_cat() are actually used in
module login_auth.c.
o AUTH_NONE definition removed (collided with other includes
in the tree). [bde]
o BSDI's login_getclass() now accepts a char *classname
parameter rather than struct passwd *pwd. We now do likewise,
but added login_getpwclass() for (sort of) backwards
compatiblity, namely because we handle root as a special
case for the default class. This will require quite a few
changes elsewhere in the source tree.
o We no longer pretend to support rlim_t as a long type.
o Revised code formatting to be more bsd-ish style.
so that all these makefiles can be used to build libc_r too.
Added .if ${LIB} == "c" tests to restrict man page builds to libc
to avoid needlessly building them with libc_r too.
Split libc Makefile into Makefile and Makefile.inc to allow the
libc_r Makefile to include Makefile.inc too.
and FNM_LEADING_DIR were specified and the pattern ended with "*".
Example: pattern="src/usr.sbin/w*", string="src/usr.sbin/watch/watch.8,v".
This should match, but did not.
- dependencies actually work (I need this to propagate some fixes
in <machine/asm.h>)
- the cpp pipeline goes away, so errors can't leak out of it and
an ANSI cpp is automatically used.
- it's simpler - standard rules get used instead of repetitive
special rules. (This showed bugs in the strip steps in the
standard rules. The wrong strip flag was also used for *.po
here.)
Removed some ${ECHO}s and `@'s. Normal make echoing of what is
being done is now not much more verbose than the echo messages
were, and is more useful.
the (buggy) support for alternative entry points. ALTENTRY() was only
used for memmove(). Optimizing for space was particularly silly because
memcpy() is rarely used (gcc normally inlines it).
Obtained from: NetBSD
the (buggy) support for alternative entry points. ALTENTRY() was only
used for memmove(). Optimizing for space was particularly silly because
memcpy() is rarely used (gcc normally inlines it).
Obtained from: NetBSD
- use a slightly less bogus copyright. This file was never contributed
to Berkeley. It still claims to be copright by the Regents.
- use <machine/asm.h> instead of "DEFS.h".
- use RCSID($Id$) instead of explicit assembly code and messy ifdefs.
The rcsid won't be put into the object file until we make RCSID()
non-null. NetBSD uses a LIBC_SCCS ifdef here. We used a LIBC_RCS
instead, but I want RCSID() to be controlled directly by LIBC_RCS
(actually by LIB_RCS). This is the only difference with the NetBSD
version.
- added ifdefs to support generation of memcpy() and memmove(). The
other changes are "while I'm here" to get this.
- improved style of the copy backwards case.
TTY_NETWORK (network), TTY_DIALUP (dialup), which determine a basic
connection type. TTY_DIALUP in particular will replace the old out of
date heuristic "tty[dD]*" in login.c (and better than the current
hard-coded method).
`void __set_ospeed(long);' in the appropriate header.
The implementation still uses speed_t instead of long. This
will break properly when speed_t is fixed (speed_t shall be
unsigned ...).
the src/contrib/tcl directory existing, and also have an /etc/make.conf
override (NOTCL) to stop building libtcl. This is in similar other
things from src/Makefile, eg: NOGAMES, NOLKM, etc.
This is so that people can put in a refuse entry in their cvsup files and
not fetch the tcl code, and have it not built automatically. I'll do
something similar for perl.
common. Add one do-nothing element to each set. This ensures that
the linker realizes that they are linker sets rather than simple
commons, and makes it possible to link c++rt0.o into every shared
library regardless of whether it is a C++ library or not. Without
this change, the constructors and destructors in the main program
could be executed multiple times.
This change is going to make it possible to get rid of the
CPLUSPLUSLIB makefile variable once and for all. It is a piece of
the solution to PR gnu/3505 (gcc -shared). Finally, it fixes a
heretofore unreported bug: If CPLUSPLUSLIB was set in a makefile
for a C++ shared library that had no static constructors or
destructors in it, then the main program's constructors and
destructors would be executed multiple times.
