Commit Graph

1181 Commits

Author SHA1 Message Date
John Baldwin
1e98f88776 Next stage of stdio cleanup: Retire __sFILEX and merge the fields back into
__sFILE.  This was supposed to be done in 6.0.  Some notes:
- Where possible I restored the various lines to their pre-__sFILEX state.
- Retire INITEXTRA() and just initialize the wchar bits (orientation and
  mbstate) explicitly instead.  The various places that used INITEXTRA
  didn't need the locking fields or _up initialized.  (Some places needed
  _up to exist and not be off the end of a NULL or garbage pointer, but
  they didn't require it to be initialized to a specific value.)
- For now, stdio.h "knows" that pthread_t is a 'struct pthread *' to
  avoid namespace pollution of including all the pthread types in stdio.h.
  Once we remove all the inlines and make __sFILE private it can go back
  to using pthread_t, etc.
- This does not remove any of the inlines currently and does not change
  any of the public ABI of 'FILE'.

MFC after:	1 month
Reviewed by:	peter
2008-04-17 22:17:54 +00:00
John Baldwin
7266fe16da Specifically mark the members of 'FILE' that are accessed via inline
functions or macros since they are part of the public ABI as a result.

MFC after:	1 month
2008-04-17 19:06:00 +00:00
Xin LI
6fda52ba75 Implement fdopendir(3) by splitting __opendir2() into two parts, the upper part
deals with the usual __opendir2() calls, and the rest part with an interface
translator to expose fdopendir(3) functionality.  Manual page was obtained from
kib@'s work for *at(2) system calls.
2008-04-16 18:59:36 +00:00
Konstantin Belousov
196afaa91c Add the restrict qualifiers to the pointer arguments of the readlinkat. 2008-04-10 12:13:56 +00:00
Xin LI
82e45205c8 Add memrchr(3).
Obtained from:	OpenBSD
2008-04-10 00:12:44 +00:00
Konstantin Belousov
914c696304 Correct the prototype for the faccessat().
Reported by:	ru
2008-04-01 10:49:06 +00:00
Konstantin Belousov
ba2983e5b3 Add the libc glue and headers definitions for the *at() syscalls.
Based on the submission by rdivacky,
	sponsored by Google Summer of Code 2007
Reviewed by:	rwatson, rdivacky
Tested by:	pho
2008-03-31 12:14:04 +00:00
David Schultz
511dd36b32 Implement csqrtl(). 2008-03-30 20:07:15 +00:00
David Schultz
84c1c0a1ca Hook hypotl() and cabsl() up to the build. 2008-03-30 20:03:46 +00:00
John Birrell
2c2f4a605d Allow an application to define FOPEN_MAX (like we allow for OPEN_MAX
in sys/syslimits.h).
2008-03-26 23:43:11 +00:00
David Xu
9939a13667 Add POSIX pthread API pthread_getcpuclockid() to get a thread's cpu
time clock id.
2008-03-22 09:59:20 +00:00
David Xu
c3f43618db Add cpu affinity APIs to get and set thread's cpu affinity mask, the
functions are intented to be are compatible with glibc.
2008-03-03 08:28:13 +00:00
Ruslan Ermilov
a059c409c2 Added the "restrict" type-qualifier to the readlink() prototype. 2008-02-26 20:33:52 +00:00
Ruslan Ermilov
5f56182b6f Change readlink(2)'s return type and type of the last argument
to match POSIX.

Prodded by:	Alexey Lyashkov
2008-02-12 20:09:04 +00:00
Dag-Erling Smørgrav
1cbdac2668 Per discussion on -threads, rename _islocked_np() to _isowned_np(). 2008-02-06 19:34:31 +00:00
Dag-Erling Smørgrav
5fd410a787 Add pthread_mutex_islocked_np(), a cheap way to verify that a mutex is
locked.  This is intended primarily to support the userland equivalent
of the various *_ASSERT_LOCKED() macros we have in the kernel.

MFC after:	2 weeks
2008-02-03 22:38:10 +00:00
Yaroslav Tykhiy
48aaad5fbc Our fts(3) API, as inherited from 4.4BSD, suffers from integer
fields in FTS and FTSENT structs being too narrow.  In addition,
the narrow types creep from there into fts.c.  As a result, fts(3)
consumers, e.g., find(1) or rm(1), can't handle file trees an ordinary
user can create, which can have security implications.

To fix the historic implementation of fts(3), OpenBSD and NetBSD
have already changed <fts.h> in somewhat incompatible ways, so we
are free to do so, too.  This change is a superset of changes from
the other BSDs with a few more improvements.  It doesn't touch
fts(3) functionality; it just extends integer types used by it to
match modern reality and the C standard.

Here are its points:

o For C object sizes, use size_t unless it's 100% certain that
  the object will be really small.  (Note that fts(3) can construct
  pathnames _much_ longer than PATH_MAX for its consumers.)

o Avoid the short types because on modern platforms using them
  results in larger and slower code.  Change shorts to ints as
  follows:

	- For variables than count simple, limited things like states,
	  use plain vanilla `int' as it's the type of choice in C.

	- For a limited number of bit flags use `unsigned' because signed
	  bit-wise operations are implementation-defined, i.e., unportable,
	  in C.

o For things that should be at least 64 bits wide, use long long
  and not int64_t, as the latter is an optional type.  See
  FTSENT.fts_number aka FTS.fts_bignum.  Extending fts_number `to
  satisfy future needs' is pointless because there is fts_pointer,
  which can be used to link to arbitrary data from an FTSENT.
  However, there already are fts(3) consumers that require fts_number,
  or fts_bignum, have at least 64 bits in it, so we must allow for them.

o For the tree depth, use `long'.  This is a trade-off between making
  this field too wide and allowing for 64-bit inode numbers and/or
  chain-mounted filesystems.  On the one hand, `long' is almost
  enough for 32-bit filesystems on a 32-bit platform (our ino_t is
  uint32_t now).  On the other hand, platforms with a 64-bit (or
  wider) `long' will be ready for 64-bit inode numbers, as well as
  for several 32-bit filesystems mounted one under another.  Note
  that fts_level has to be signed because -1 is a magic value for it,
  FTS_ROOTPARENTLEVEL.

o For the `nlinks' local var in fts_build(), use `long'.  The logic
  in fts_build() requires that `nlinks' be signed, but our nlink_t
  currently is uint16_t.  Therefore let's make the signed var wide
  enough to be able to represent 2^16-1 in pure C99, and even 2^32-1
  on a 64-bit platform.  Perhaps the logic should be changed just
  to use nlink_t, but it can be done later w/o breaking fts(3) ABI
  any more because `nlinks' is just a local var.

This commit also inludes supporting stuff for the fts change:

o Preserve the old versions of fts(3) functions through libc symbol
versioning because the old versions appeared in all our former releases.

o Bump __FreeBSD_version just in case.  There is a small chance that
some ill-written 3-rd party apps may fail to build or work correctly
if compiled after this change.

o Update the fts(3) manpage accordingly.  In particular, remove
references to fts_bignum, which was a FreeBSD-specific hack to work
around the too narrow types of FTSENT members.  Now fts_number is
at least 64 bits wide (long long) and fts_bignum is an undocumented
alias for fts_number kept around for compatibility reasons.  According
to Google Code Search, the only big consumers of fts_bignum are in
our own source tree, so they can be fixed easily to use fts_number.

o Mention the change in src/UPDATING.

PR:		bin/104458
Approved by:	re (quite a while ago)
Discussed with:	deischen (the symbol versioning part)
Reviewed by:	-arch (mostly silence); das (generally OK, but we didn't
		agree on some types used; assuming that no objections on
		-arch let me to stick to my opinion)
2008-01-26 17:09:40 +00:00
David Xu
0248203e2b _POSIX_THREAD_CPUTIME is now supported. 2008-01-18 08:48:32 +00:00
John Baldwin
ce309a2f26 Add a feature_present(3) function which checks to see if a named kernel
feature is present by checking the kern.features sysctl MIB.

MFC after:	1 week
2008-01-10 22:11:21 +00:00
David Schultz
aaf70b2314 Implement and document csqrt(3) and csqrtf(3). 2007-12-15 08:38:44 +00:00
David Xu
093fcf1694 1. Add function pthread_mutex_setspinloops_np to turn a mutex's spin
loop count.
2. Add function pthread_mutex_setyieldloops_np to turn a mutex's yield
   loop count.
3. Make environment variables PTHREAD_SPINLOOPS and PTHREAD_YIELDLOOPS
   to be only used for turnning PTHREAD_MUTEX_ADAPTIVE_NP mutex.
2007-12-14 06:25:57 +00:00
David Schultz
205bd64894 Implement carg(3) and cargf(3).
Rotting in an old src tree since: March 2005
2007-12-12 23:43:51 +00:00
Michael Bushkov
a59d6a8724 Implementing 'fallback' nsswitch source. 'fallback' source is used
when particular function can't be found in nsswitch-module. For
example, getgrouplist(3) will use module-supplied 'getgroupmembership'
function (which can work in an optimal way for such source as LDAP) and
will fall back to the stanard iterate-through-all-groups implementation
otherwise.

PR:		ports/114655
Submitted by:	Michael Hanselmann <freebsd AT hansmi DOT ch>
Reviewed by:	brooks (mentor)
2007-12-12 10:08:03 +00:00
Poul-Henning Kamp
19d6d0eb9a Only protect the prototypes with #ifndef _ASSERT_H_, the standards
specifically allow changes to the NDEBUG macro between #includes of assert.h
2007-12-01 19:28:13 +00:00
Poul-Henning Kamp
22ac70fcd3 Add missing #ifndef _ASSERT_H_ protection against multiple inclusions 2007-12-01 18:56:50 +00:00
John Birrell
990e94172d Remove some OpenSolaris compatibility stuff now that we're doing it a
different way.
2007-11-28 22:09:12 +00:00
John Birrell
6276af0ff1 Use a forward definition of an opaque structure rather than a void
to avoid a strict alias type check failure in gcc 4.2.
2007-11-20 01:49:00 +00:00
Andrey A. Chernov
70e7b0732a Back out not human readable optimization in prev. commit which shown
to generate 3bytes longer opcode.
2007-11-01 03:18:02 +00:00
Kris Kennaway
2017a7cdfe Add a new "non-portable" mutex type, PTHREAD_MUTEX_ADAPTIVE_NP. This
is also implemented in glibc and is used by a number of existing
applications (mysql, firefox, etc).

This mutex type is a default mutex with the additional property that
it spins briefly when attempting to acquire a contested lock, doing
trylock operations in userland before entering the kernel to block if
eventually unsuccessful.

The expectation is that applications requesting this mutex type know
that the mutex is likely to be only held for very brief periods, so it
is faster to spin in userland and probably succeed in acquiring the
mutex, than to enter the kernel and sleep, only to be woken up almost
immediately.  This can help significantly in certain cases when
pthread mutexes are heavily contended and held for brief durations
(such as mysql).

Spin up to 200 times before entering the kernel, which represents only
a few us on modern CPUs.  No performance degradation was observed with
this value and it is sufficient to avoid a large performance drop in
mysql performance in the heavily contended pthread mutex case.

The libkse implementation is a NOP.

Reviewed by:      jeff
MFC after:        3 days
2007-10-29 21:01:47 +00:00
Warner Losh
ca5c51742b Remove 3rd clause and renumber after getting permission from the
author (quite some time ago).
2007-10-29 00:31:54 +00:00
Andrey A. Chernov
5dfb7ce5fc Micro-optimization of prev. commit, change
(_c < 0 || _c >= 128) to (_c & ~0x7F)
2007-10-27 22:32:27 +00:00
Andrey A. Chernov
eb75c0a0d0 Small improvement for __isctype(): don't use __mb_sb_limit but
hardcode 128 here instead, since default locale never define anything
above 127 char.
2007-10-27 09:32:32 +00:00
Andrey A. Chernov
ce0d9ca3db Back out iswascii change from prev. commit, iswascii was right,
some overlook from me.
2007-10-14 10:23:54 +00:00
Andrey A. Chernov
367ed4e13d The problem is: currently our single byte ctype(3) functions are broken
for wide characters locales in the argument range >= 0x80 - they may
return false positives.

Example 1: for UTF-8 locale we currently have:
iswspace(0xA0)==1 and isspace(0xA0)==1
(because iswspace() and isspace() are the same code)
but must have
iswspace(0xA0)==1 and isspace(0xA0)==0
(because there is no such character and all others in the range
0x80..0xff for the UTF-8 locale, it keeps ASCII only in the single byte
range because our internal wchar_t representation for UTF-8 is UCS-4).

Example 2: for all wide character locales isalpha(arg) when arg > 0xFF may
return false positives (must be 0).
(because iswalpha() and isalpha() are the same code)

This change address this issue separating single byte and wide ctype
and also fix iswascii() (currently iswascii() is broken for
arguments > 0xFF).
This change is 100% binary compatible with old binaries.

Reviewied by: i18n@
2007-10-13 16:28:22 +00:00
Ruslan Ermilov
13650420dc Install the forgotten /usr/include/geom/multipath/ header.
Approved by:	re (kensmith)
2007-10-01 18:07:29 +00:00
Pawel Jakub Dawidek
f854db0bf5 Bring in the GEOM Virtualisation class, which allows to create huge GEOM
providers with limited physical storage and add physical storage as
needed.

Submitted by:	Ivan Voras
Sponsored by:	Google Summer of Code 2006
Approved by:	re (kensmith)
2007-09-23 07:34:23 +00:00
Bruce M Simpson
0ad9d01971 Remove old prototypes for addr2ascii() and ascii2addr(), functions which no
longer exist in libc.

Requested by:	Craig Rodrigues
Approved by:	re (kensmith)
2007-08-24 20:25:52 +00:00
Bernd Walter
1b2d5599a5 declare struct tftphdr and embedded union as beeing packed, which is
required for arm.

Tested on:	arm, i386, amd64
Approved by:	re (rwatson)
MFC after:	1 week
2007-08-01 11:59:09 +00:00
Robert Watson
2b851aeb63 Disconnect netatm from the build as it is not MPSAFE and relies on
NET_NEEDS_GIANT, which will shortly be removed.  This is done in a
away that it may be easily reattached to the build before 7.1 if
appropriate locking is added.  Specifics:

- Don't install netatm include files
- Disconnect netatm command line management tools
- Don't build libatm
- Don't include ATM parts in rescue or sysinstall
- Don't install sample configuration files and documents
- Don't build kernel support as a module or in NOTES
- Don't build netgraph wrapper nodes for netatm

This removes the last remaining consumer of NET_NEEDS_GIANT.

Reviewed by:	harti
Discussed with:	bz, bms
Approved by:	re (kensmith)
2007-07-14 21:49:24 +00:00
Bjoern A. Zeeb
9fa28ff687 I4B header files were repo-copied from sys/i386/include to
sys/i4b/include/ so they will be available to all architectures
once I4B compiles on those.

I4B header files are now installed in include/i4b/ and no longer
in include/machine/.

For now we still install the headers for i386 only.

Approved by:	re (kensmith)
2007-07-06 07:20:59 +00:00
Sean Farley
2966d28c32 Significantly reduce the memory leak as noted in BUGS section for
setenv(3) by tracking the size of the memory allocated instead of using
strlen() on the current value.

Convert all calls to POSIX from historic BSD API:
 - unsetenv returns an int.
 - putenv takes a char * instead of const char *.
 - putenv no longer makes a copy of the input string.
 - errno is set appropriately for POSIX.  Exceptions involve bad environ
   variable and internal initialization code.  These both set errno to
   EFAULT.

Several patches to base utilities to handle the POSIX changes from
Andrey Chernov's previous commit.  A few I re-wrote to use setenv()
instead of putenv().

New regression module for tools/regression/environ to test these
functions.  It also can be used to test the performance.

Bump __FreeBSD_version to 700050 due to API change.

PR:		kern/99826
Approved by:	wes
Approved by:	re (kensmith)
2007-07-04 00:00:41 +00:00
George V. Neville-Neil
8409aedfa6 Commit IPv6 support for FAST_IPSEC to the tree.
This commit includes all remaining changes for the time being including
user space updates.

Submitted by:    bz
Approved by:    re
2007-07-01 12:08:08 +00:00
Rong-En Fan
534046e301 - Remove UMAP filesystem. It was disconnected from build three years ago,
and it is seriously broken.

Discussed on:   freebsd-arch@
Approved by:	re (mux)
2007-06-25 05:06:57 +00:00
Xin LI
0bb263df82 Require users to provide a length information for inet_ntoa_r,
this is common on other platforms.

Reported by:	pointyhat via kris
2007-06-14 07:13:28 +00:00
Xin LI
0c927cdd8e Add inet_ntoa_r, a reentrant version of inet_ntoa. This is
available on a lot of platforms, as well as libkern for years.

Submitted by:	"MQ"
2007-06-11 07:21:21 +00:00
Stefan Farfeleder
43b0ef8114 Use tabs after #define.
Obtained from:	NetBSD
Spotted by:	njl
2007-06-11 06:25:19 +00:00
Hidetoshi Shimokawa
41b23fe0b2 Add _PATH_FWMEM for libkvm. 2007-06-11 02:21:18 +00:00
Stefan Farfeleder
47517a7042 Merge NetBSD changes, among them:
el.c 1.44, el.h 1.17, editline.3 1.53, histedit.h 1.31:
# add EL_GETFP, and EL_SETFP.

el.c 1.42, term.c 1.46, term.h 1.18, editline.3 1.52, histedit.h 1.29:
# - Add more readline functions, enough for gdb-6.5
# - Make el_get varyadic, and implement EL_GETTC.
# - XXX: the EL_SETTC api will change in the future.

Note: The latter change breaks the ABI of the el_get() function.

Approved by:	re (kensmith)
2007-06-10 19:06:09 +00:00
Hajimu UMEMOTO
dde4a85d9d Merge BIND 9.4.1 into main chunk.
MFC after:	2 weeks
2007-06-03 17:20:27 +00:00
Andrey A. Chernov
ba174a5e38 Back out all POSIXified *env() changes.
Not because I admit they are technically wrong and not because of bug
reports (I receive nothing). But because I surprisingly meets so
strong opposition and resistance so lost any desire to continue that.

Anyone who interested in POSIX can dig out what changes and how
through cvs diffs.
2007-05-01 16:02:44 +00:00