Commit Graph

1353 Commits

Author SHA1 Message Date
Ed Schouten
092c20cb19 Extend <stdatomic.h> to support GCC 4.7's __atomic.
The development version of GCC also supports an atomics interface
similar to Clang's. Change the header file to work as follows:

- __CLANG_ATOMICS: Use Clang's new atomics interface,
- __GNUC_ATOMICS: Use GCC's new atomics interface,
- else: fall back to GCC's __sync interface.
2011-12-30 01:37:25 +00:00
Ed Schouten
ffa01562fd Don't define static_assert for C++.
Even though _Static_assert() is pretty robust for C code, it cannot work
correctly with C++ code.  This is due to the fact that C++ template
parameters may contain commas that are not enclosed in parentheses. For
example:

	static_assert(foo<int, int>::bar == baz, "...");

This causes _Static_assert to be called with an excessive number of
parameters.  If you want to use static_assert in C++, just use a C++11
compiler.

Reported on:	current@, ports@
2011-12-29 14:41:17 +00:00
Xin LI
c8fb747dc1 In POSIX.1-2008:
P_tmpdir [OB XSI]  Default directory prefix for tempnam().

This macro is used in a lot of places in legacy applications,
and is why we see a lot of programs written for e.g. Linux
store volatile temporary files in /var/tmp and not /tmp.

MFC after:	2 months
2011-12-28 05:35:33 +00:00
Ed Schouten
d4ae5eb992 Fix some bugs in <stdatomic.h>.
- Make atomic_init() work for GCC, as assigning to structs doesn't work.
- Fix misplaced parenthesis in atomic_is_lock_free() for GCC.
- Make atomic_compare_exchange_strong() for GCC return the proper
  boolean value, whether object == expected.
- Fix argument passing in atomic_exchange_explicit() for GCC.
2011-12-26 23:33:41 +00:00
Ed Schouten
c6d3530d85 As per C11, add static_assert() to <assert.h>. 2011-12-26 18:57:59 +00:00
Ed Schouten
b1214a51cc Improve C11 bits in <stdlib.h>:
- Add missing semicolon to quick_exit(),
- Remove `func' parameter name from at_quick_exit(),
- Fix indentation.
- Compare against 2011 value.
2011-12-26 18:55:37 +00:00
Ed Schouten
36893c3ded Make white space in this file a bit more consistent.
Remove trailing whitespace and place all macro definitions at the same
column.
2011-12-25 21:05:35 +00:00
Ed Schouten
d9171fdcc9 Fix field name.
The value field in the atomic structure is called __val; not value.
2011-12-25 20:59:39 +00:00
Ed Schouten
367bebd402 Add <stdalign.h> and <stdnoreturn.h>.
Even though these header files make little sense to me, they are part of
the standard. By including these header files, you can simply use
`alignas', `alignof' and `noreturn' instead of the underscore-prefixed
versions.
2011-12-25 20:51:40 +00:00
Ed Schouten
576fb69bc9 Remove unneeded guard.
There is no reason why <stdbool.h> needs an include guard. It is already
protected by __bool_true_false_are_defined.
2011-12-25 20:15:41 +00:00
David Chisnall
eb1f614be5 Restore __is_threaded in C++ mode. Some Google stuff needs it apparently.
Reported by:	swills
Approved by:	dim (mentor)
2011-12-25 16:03:54 +00:00
David Chisnall
d1b02beefa ...and actually install it.
Approved by:	dim (mentor)
2011-12-24 15:31:06 +00:00
David Chisnall
50af8167d6 Initial implementation of stdatomic.h. Works (at least in the parts that were
tested) with clang and gcc, and more efficiently with clang+a big out-of-tree
diff that I need to commit soon (once it's been tidied and reviewed a bit).

Large portions by: ed
Reviewed by:	ed
Approved by:	dim (mentor)
2011-12-24 15:17:01 +00:00
Colin Percival
3e65b9c6e6 Fix a problem whereby a corrupt DNS record can cause named to crash. [11:06]
Add an API for alerting internal libc routines to the presence of
"unsafe" paths post-chroot, and use it in ftpd. [11:07]

Fix a buffer overflow in telnetd. [11:08]

Make pam_ssh ignore unpassphrased keys unless the "nullok" option is
specified. [11:09]

Add sanity checking of service names in pam_start. [11:10]

Approved by:    so (cperciva)
Approved by:    re (bz)
Security:       FreeBSD-SA-11:06.bind
Security:       FreeBSD-SA-11:07.chroot
Security:       FreeBSD-SA-11:08.telnetd
Security:       FreeBSD-SA-11:09.pam_ssh
Security:       FreeBSD-SA-11:10.pam
2011-12-23 15:00:37 +00:00
Eitan Adler
0d6d372c03 - Add restrict keyword to glob(3)
PR:		kern/161958
Submitted by:	Henning Petersen <henning.petersen@t-online.de>
Approved by:	jilles
MFC after:	3 days
2011-12-20 22:56:13 +00:00
Ed Schouten
f6ab8089c6 Replace __const by const in all non-contributed source code.
As C1X is close to being released, there is no need to wrap around a
feature that is already part of C90. Most of these files already use
`const' in different placed as well.
2011-12-13 13:32:56 +00:00
Matthew D Fleming
108cd49471 - Define true and false in sys/types.h for _KERNEL consumers, and
typedef bool.  Due to macro expansion it seemed better to use a
   typedef for kernel consumers (specifically ofed won't compile
   without more changes if a define is used).
 - <stdbool.h> should also not re-define bool/true/false if they are
   defined by <sys/types.h>.  It would probably be a programming error
   to define _KERNEL for user-space code, but downstream consumers
   like Isilon have already been including <stdbool.h> in kernel
   sources, and this protects that usage.
 - sizeof(_Bool) is not necessarily the same as sizeof(int), so kernel
   modules should be rebuild with this change.  Bump __FreeBSD_version.

MFC after:	2 weeks
Sponsored by:	Isilon Systems, LLC
2011-12-12 18:44:17 +00:00
David Chisnall
57979d1bd8 As per das@'s suggestion, s/__noreturn/_Noreturn/, since the latter is an
identifier reserved for the implementation in C99 and earlier so there is
no sensible reason for introducing yet another reserved identifier when we
could just use the one C1x uses.

Approved by:	brooks (mentor)
2011-12-07 21:17:50 +00:00
David Chisnall
0a31efe016 Implement quick_exit() / at_quick_exit() from C++11 / C1x. Also add a
__noreturn macro and modify the other exiting functions to use it.

The __noreturn macro, unlike __dead2, must be used BEFORE the function.
This is in line with the C and C++ specifications that place _Noreturn (c1x)
and [[noreturn]] (C++11) in front of the functions.  As with __dead2, this
macro falls back to using the GCC attribute.

Unfortunately, clang currently sets the same value for the C version macro
in C99 and C1x modes, so these functions are hidden by default.  At some
point before 10.0, I need to go through the headers and clean up the C1x /
C++11 visibility.

Reviewed by:	brooks (mentor)
2011-12-07 15:25:48 +00:00
David Chisnall
3c87aa1d3d Implement xlocale APIs from Darwin, mainly for use by libc++. This adds a
load of _l suffixed versions of various standard library functions that use
the global locale, making them take an explicit locale parameter.  Also
adds support for per-thread locales.  This work was funded by the FreeBSD
Foundation.

Please test any code you have that uses the C standard locale functions!

Reviewed by:    das (gdtoa changes)
Approved by:    dim (mentor)
2011-11-20 14:45:42 +00:00
David Chisnall
c3b43c58d0 Hide some more macros that will break C++ when compiling in C++ mode.
Approved by:	dim (mentor)
2011-11-13 17:07:26 +00:00
David Chisnall
c9e7ce2fe1 The spec says that FILE must be defined in wchar.h, but it wasn't. It
is now.  Also hide some macros in C++ mode that will break C++
namespaced calls.

Approved by:	dim (mentor)
2011-11-13 16:18:48 +00:00
David Chisnall
22e24cfdc1 Don't expose the wctype.h macros in C++ mode. They cause problems when
people try to invoke the namespaced versions of the functions of the
same names.

Approved by:	dim (mentor)
2011-11-12 20:45:10 +00:00
David Schultz
a50079b7ff People porting FreeBSD to new architectures ought not have to
implement a deprecated FPU control interface in addition to the
standard one.  To make this clearer, further deprecate ieeefp.h
by not declaring the function prototypes except on architectures
that implement them already.

Currently i386 and amd64 implement the ieeefp.h interface for
compatibility, and for fp[gs]etprec(), which doesn't exist on
most other hardware.  Powerpc, sparc64, and ia64 partially implement
it and probably shouldn't, and other architectures don't implement it
at all.
2011-10-21 06:41:46 +00:00
David Schultz
3daee1d6c3 Add c{cos,sin,tan}{,h}{,f} functions. This is joint work with
bde and kargl.
2011-10-17 05:41:03 +00:00
Jung-uk Kim
7331c16912 Avoid accidental conflicts with C++ operator keywords.
MFC after:	1 week
2011-09-27 16:33:17 +00:00
Konstantin Belousov
a01fdfcef1 Install ciss(4) ioctl header (together with other .h files from sys/dev/ciss).
PR:	kern/109813
Discussued with:	Alex Samorukov <samm os2 kiev ua>
	(smartmontools maintainer)
MFC after:	1 week
2011-09-27 12:14:43 +00:00
Kevin Lo
d0b2bb9e86 Revert the previous change and add xdr_sizeof
Requested by:	bde
2011-07-10 14:03:13 +00:00
Kevin Lo
d98b6d6edd - Add xdr_sizeof(3) to libc
- Document xdr_sizeof(3); from NetBSD

Discussed with:	kib
2011-07-09 07:43:56 +00:00
David E. O'Brien
1e3f14466b * Add the readline(3) API to libedit. The libedit versions of
{readline,history}.h are in /usr/include/edit so as to not conflict with
  the GNU libreadline versions.  To use the libedit readline(3) one should
  add "-I/usr/include/edit" to their Makefile
  (spelled "-I${DESTDIR}/${INCLUDEDIR}/edit" within the FreeBSD source tree).

* Enable its use in the BSD licensed utilities that support readline(3).

* To make it easier to sync libedit development with NetBSD, histedit.h
  is moved into libedit's directory as history shows shown we keep merging
  it into that location.

Obtained from:	NetBSD
Sponsored by:	Juniper Networks
2011-04-05 18:41:01 +00:00
Alexander Motin
89b172238a MFgraid/head:
Add new RAID GEOM class, that is going to replace ataraid(4) in supporting
various BIOS-based software RAIDs. Unlike ataraid(4) this implementation
does not depend on legacy ata(4) subsystem and can be used with any disk
drivers, including new CAM-based ones (ahci(4), siis(4), mvs(4), ata(4)
with `options ATA_CAM`). To make code more readable and extensible, this
implementation follows modular design, including core part and two sets
of modules, implementing support for different metadata formats and RAID
levels.

Support for such popular metadata formats is now implemented:
Intel, JMicron, NVIDIA, Promise (also used by AMD/ATI) and SiliconImage.

Such RAID levels are now supported:
RAID0, RAID1, RAID1E, RAID10, SINGLE, CONCAT.

For any all of these RAID levels and metadata formats this class supports
full cycle of volume operations: reading, writing, creation, deletion,
disk removal and insertion, rebuilding, dirty shutdown detection
and resynchronization, bad sector recovery, faulty disks tracking,
hot-spare disks. For Intel and Promise formats there is support multiple
volumes per disk set.

Look graid(8) manual page for additional details.

Co-authored by:	imp
Sponsored by:	Cisco Systems, Inc. and iXsystems, Inc.
2011-03-24 21:31:32 +00:00
David Schultz
cf3943e4d5 Add missing declarations that I intended to commit with r219359.
Not sure why we have math.h in lib/msun/ and complex.h in include/.
2011-03-07 16:05:45 +00:00
Pawel Jakub Dawidek
4551abd040 Include stdio.h, so we can include printf.h in any order, as it needs FILE.
MFC after:	2 weeks
2011-03-06 17:45:37 +00:00
Edward Tomasz Napierala
2bfc50bc4f Add two new system calls, setloginclass(2) and getloginclass(2). This makes
it possible for the kernel to track login class the process is assigned to,
which is required for RCTL.  This change also make setusercontext(3) call
setloginclass(2) and makes it possible to retrieve current login class using
id(1).

Reviewed by:	kib (as part of a larger patch)
2011-03-05 12:40:35 +00:00
Jilles Tjoelker
e39ab7e088 POSIX.1-2008 moved some constants from the XSI option to the Base.
MFC after:	2 weeks
2011-03-04 19:28:27 +00:00
Jilles Tjoelker
54574e2ab2 Fix some _POSIX minimum/maximum values in limits.h:
* Some values changed in POSIX.1-2001; provide the former value if a program
  requests compliance to an earlier version of POSIX. [1]
* Add missing _POSIX_CLOCKRES_MIN constant. This is a maximum value but
  otherwise works the same as the minimum values.

PR:		standards/104743
Submitted by:	bde [1] (not exact #ifdefs, but the values)
MFC after:	2 weeks
2011-03-03 22:34:13 +00:00
Gabor Kovesdan
ad30f8e79b Add the BSD-licensed Citrus iconv to the base system with default off
setting. It can be built by setting the WITH_ICONV knob. While this
knob is unset, the library part, the binaries, the header file and
the metadata files will not be built or installed so it makes no impact
on the system if left turned off.

This work is based on the iconv implementation in NetBSD but a great
number of improvements and feature additions have been included:

- Some utilities have been added. There is a conversion table generator,
  which can compare conversion tables to reference data generated by
  GNU libiconv. This helps ensuring conversion compatibility.
- UTF-16 surrogate support and some endianness issues have been fixed.
- The rather chaotic Makefiles to build metadata have been refactored
  and cleaned up, now it is easy to read and it is also easier to add
  support for new encodings.
- A bunch of new encodings and encoding aliases have been added.
- Support for 1->2, 1->3 and 1->4 mappings, which is needed for
  transliterating with flying accents as GNU does, like "u.
- Lots of warnings have been fixed, the major part of the code is
  now WARNS=6 clean.
- New section 1 and section 5 manual pages have been added.
- Some GNU-specific calls have been implemented:
  iconvlist(), iconvctl(), iconv_canonicalize(), iconv_open_into()
- Support for GNU's //IGNORE suffix has been added.
- The "-" argument for stdin is now recognized in iconv(1) as per POSIX.
- The Big5 conversion module has been fixed.
- The iconv.h header files is supposed to be compatible with the
  GNU version, i.e. sources should build with base iconv.h and
  GNU libiconv. It also includes a macro magic to deal with the
  char ** and const char ** incompatibility.
- GNU compatibility: "" or "char" means the current local
  encoding in use
- Various cleanups and style(9) fixes.

Approved by:	delphij (mentor)
Obtained from:	The NetBSD Project
Sponsored by:	Google Summer of Code 2009
2011-02-25 00:04:39 +00:00
Konstantin Belousov
ba13377a7e Add restrict keyword to pthread_sigmask prototype and manpage.
MFC after:	1 week
2011-02-20 09:52:29 +00:00
Konstantin Belousov
3b5a03b106 Install iodev.h.
Reviewed by:	attilio
MFC after:	1 week
2011-02-17 15:10:13 +00:00
Jung-uk Kim
678b238c85 Introduce a non-portable function pthread_getthreadid_np(3) to retrieve
calling thread's unique integral ID, which is similar to AIX function of
the same name.  Bump __FreeBSD_version to note its introduction.

Reviewed by:	kib
2011-02-07 21:26:46 +00:00
Ed Schouten
62779d80fb Add missing __dead2 to __assert().
__assert() is called when an assertion fails. After printing an error
message, it will call abort(). abort() never returns, hence it has the
__dead2 attribute. Also add this attribute to __assert().

MFC after:	3 weeks
2011-01-09 21:39:46 +00:00
David Xu
f66ffe64ce Remove leftover for r214093. 2011-01-06 03:30:16 +00:00
Ulrich Spörlein
091c4c86d1 rpc.lockd(8) WARNS cleanup
- Provide function prototype for nlm_syscall
- Don't assign a variable from the stack to a global var[1]
- Remove unused vars

Found by:	clang static analyser [1]
Reviewed by:	dfr
2010-12-20 21:12:18 +00:00
Xin LI
f29af3b2ac Sync with OpenBSD, primarily better signal and terminal handling.
Obtained from:	OpenBSD
MFC after:	2 weeks
2010-11-13 10:38:06 +00:00
Ed Schouten
736fc28680 Add a new libc function: cfmakesane(3).
I've noticed various terminal emulators that need to obtain a sane
default termios structure use very complex `hacks'. Even though POSIX
doesn't provide any functionality for this, extend our termios API with
cfmakesane(3), which is similar to the commonly supported cfmakeraw(3),
except that it fills the termios structure with sane defaults.

Change all code in our base system to use this function, instead of
depending on <sys/ttydefaults.h> to provide TTYDEF_*.
2010-11-02 17:00:56 +00:00
John Baldwin
544de89de0 Add an x86/include directory to the kernel to hold headers that are common
to amd64, i386, and pc98.  The headers are installed to /usr/include/x86
during an installworld, and an 'x86' symlink is created for kernel builds
similar to 'machine' so that the headers can be included as <x86/foo.h>.

Reviewed by:	imp
2010-11-01 17:34:04 +00:00
David Xu
b67cc292dc Add sysctl kern.sched.cpusetsize to export the size of kernel cpuset,
also add sysconf() key _SC_CPUSET_SIZE to get sysctl value.

Submitted by: gcooper
2010-10-29 13:31:10 +00:00
David Xu
a6b9b59e04 Add pthread_rwlockattr_setkind_np and pthread_rwlockattr_getkind_np, the
functions set or get pthread_rwlock type, current supported types are:
   PTHREAD_RWLOCK_PREFER_READER_NP,
   PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP,
   PTHREAD_RWLOCK_PREFER_WRITER_NP,
default is PTHREAD_RWLOCK_PREFER_WRITER_NONCECURSIVE_NP, this maintains
binary compatible with old code.
2010-10-18 05:09:22 +00:00
David Xu
3b38ea58b8 Also the stop function should accept 64-bit exception class. 2010-09-30 03:16:35 +00:00
David Xu
0c8c77ad83 - Sizeof exception class type should always be 64-bit.
- Make some functions be visible to BSD source code.
2010-09-30 03:09:35 +00:00