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2011-09-20fix incorrect include guard in mqueue.hRich Felker-2/+2
2011-09-20fix statvfs.c to match new fsid_t definitionRich Felker-1/+1
2011-09-20fix the fsid_t structure to match name of __valRich Felker-1/+1
this is a case of poorly written man pages not matching the actual implementation, and why i hate implementing nonstandard interfaces with no actual documentation of how they're intended to work.
2011-09-20fix broken siginfo_t with _GNU_SOURCE definedRich Felker-6/+5
this bug was introduced in a recent patch. the problem we're working around is that broken GNU software wants to use "struct siginfo" rather than "siginfo_t", but "siginfo" is not in the reserved namespace and thus not legal for the standard header to use.
2011-09-19fix the definition of struct statvfs to match lsb abiRich Felker-70/+88
at the same time, make struct statfs match the traditional definition and make it more useful, especially the fsid_t stuff.
2011-09-19add some more siginfo aliases broken software expects...Rich Felker-0/+2
2011-09-19cleanup redundancy in bits/signal.h versionsRich Felker-376/+139
2011-09-19fix the type of wchar_t on arm; support wchar_t varying with archRich Felker-21/+20
really wchar_t should never vary, but the ARM EABI defines it as an unsigned 32-bit int instead of a signed one, and gcc follows this nonsense. thus, to give a conformant environment, we have to follow (otherwise L""[0] and L'\0' would be 0U rather than 0, but the application would be unaware due to a mismatched definition for WCHAR_MIN and WCHAR_MAX, and Bad Things could happen with respect to signed/unsigned comparisons, promotions, etc.). fortunately no rules are imposed by the C standard on the relationship between wchar_t and wint_t, and WEOF has type wint_t, so we can still make wint_t always-signed and use -1 for WEOF.
2011-09-19fix incorrect long double parameters on arm (and other future ports)Rich Felker-10/+22
this was the cause of crashes in printf when attempting to print floating point values.
2011-09-19fix broken multi-inclusion guard in sys/reg.hRich Felker-2/+2
2011-09-18initial commit of the arm portRich Felker-0/+2225
this port assumes eabi calling conventions, eabi linux syscall convention, and presence of the kernel helpers at 0xffff0f?0 needed for threads support. otherwise it makes very few assumptions, and the code should work even on armv4 without thumb support, as well as on systems with thumb interworking. the bits headers declare this a little endian system, but as far as i can tell the code should work equally well on big endian. some small details are probably broken; so far, testing has been limited to qemu/aboriginal linux.
2011-09-18disable dynamic linking/loading code in static libc builds, for nowRich Felker-0/+2
it does not work, but some configure scripts will falsely detect support then generate programs that crash when they call dlopen.
2011-09-18cleanup more bits cruft (sysmacros and socket)Rich Felker-414/+199
2011-09-18more bits junk (tcp.h)Rich Felker-3/+1
2011-09-18move invariant netinet/in.h stuff out of bits/in.hRich Felker-292/+147
2011-09-18overhaul clone syscall wrappingRich Felker-62/+135
several things are changed. first, i have removed the old __uniclone function signature and replaced it with the "standard" linux __clone/clone signature. this was necessary to expose clone to applications anyway, and it makes it easier to port __clone to new archs, since it's now testable independently of pthread_create. secondly, i have removed all references to the ugly ldt descriptor structure (i386 only) from the c code and pthread structure. in places where it is needed, it is now created on the stack just when it's needed, in assembly code. thus, the i386 __clone function takes the desired thread pointer as its argument, rather than an ldt descriptor pointer, just like on all other sane archs. this should not affect applications since there is really no way an application can use clone with threads/tls in a way that doesn't horribly conflict with and clobber the underlying implementation's use. applications are expected to use clone only for creating actual processes, possibly with new namespace features and whatnot.
2011-09-17release notes for 0.8.2v0.8.2Rich Felker-0/+11
2011-09-17dummy implementation of set_thread_areaRich Felker-0/+6
eventually we may have a working "generic" implementation for archs that don't need anything special. in any case, the goal of having stubs like this is to allow early testing of new ports before all the details needed for threads have been filled in. more functions like this will follow.
2011-09-16fix assumptions that char is signedRich Felker-2/+2
2011-09-16fix more instances of old a_xchg (use new a_swap name)Rich Felker-3/+3
2011-09-16use a_swap rather than old name a_xchgRich Felker-1/+1
2011-09-16fix generic sigsetjmp (unused anyway) pointer signedness errorRich Felker-1/+1
2011-09-16fix idiotic const-correctness error in lio_listioRich Felker-1/+1
i blame this one on posix for using hideous const-qualified double pointers which are unusable without hideous casts.
2011-09-16fix ptrace (maybe)Rich Felker-1/+8
2011-09-15implement ptrace syscall wrapper (untested)Rich Felker-1/+19
2011-09-140.8.1 release notesv0.8.1Rich Felker-0/+9
2011-09-14remove incorrectly-made-visible internal dst offset variableRich Felker-1/+0
2011-09-14fix inconsistent signature for aio_errorRich Felker-1/+1
2011-09-13fix return types for aio_read and aio_write againRich Felker-4/+4
previous fix was backwards and propagated the wrong type rather than the right one...
2011-09-13fix various errors in function signatures/prototypes found by nszRich Felker-16/+19
2011-09-13fix cruft left in release notesRich Felker-1/+1
2011-09-13fix prototypes for aio_read and aio_writeRich Felker-2/+2
2011-09-13add missing posix_spawnattr_init/destroy functionsRich Felker-0/+13
2011-09-130.8.0 releasev0.8.0Rich Felker-14/+68
2011-09-13remove some stray trailing space charactersRich Felker-4/+4
2011-09-12implement gnu sigisemptysetRich Felker-0/+10
2011-09-11add prototypes for GNU *_unlocked stdio functionsRich Felker-0/+4
actually these are just weak aliases for the normal locking versions right now, and they will probably stay that way since making them lock-free without slowing down the normal versions would require significant code duplication for no benefit.
2011-09-11add dummied strverscmp (obnoxious GNU function)Rich Felker-0/+8
programs that use this tend to horribly botch international text support, so it's questionable whether we want to support it even in the long term... for now, it's just a dummy that calls strcmp.
2011-09-11declare alloca in stdlib.h when _GNU_SOURCE is definedRich Felker-0/+1
2011-09-11fix serious bug in pthread_joinRich Felker-2/+2
on spurious wakeups/returns from __timedwait, pthread_join would "succeed" and unmap the thread's stack while it was still running. at best this would lead to SIGSEGV when the thread resumed execution, but in the worst case, the thread would later resume executing on top of another new thread's stack mapped at the same address. spent about 4 hours tracking this bug down, chasing rare difficult-to-reproduce stack corruption in a stress test program. still no idea *what* caused the spurious wakeups; i suspect it's a kernel bug.
2011-09-09fix pthread_join wait call: thread termination tid futex is not privateRich Felker-1/+1
this seeme to be the bug that prevented enabling of private futex support. i'm going to hold off on switching to private futexes until after the next release, and until i get a chance to audit all wait/wake calls to make sure they're using the correct private argument, but with this change it should be safe to enable private futex support.
2011-09-09implement POSIX asynchronous ioRich Felker-0/+398
some features are not yet supported, and only minimal testing has been performed. should be considered experimental at this point.
2011-09-05fix incorrect overflow errors on strtoul, etc.Rich Felker-8/+20
2011-09-05strptime: fix use of uninitialized dest field in converting integerRich Felker-1/+1
2011-09-04more fmemopen null termination fixesRich Felker-2/+3
null termination is only added when current size grows. in update modes, null termination is not added if it does not fit (i.e. it is not allowed to clobber data). these rules make very little sense, but that's how it goes..
2011-09-04fix some fmemopen behaviorsRich Felker-4/+7
read should not be allowed past "current size". append mode should write at "current size", not buffer size. null termination should not be written except when "current size" grows.
2011-09-04handle pending cancellation when enabling async cancellationRich Felker-0/+1
this is not strictly required by the standard, but without it, there is a race condition where cancellation arriving just before async cancellation is enabled might not be acted upon. it is impossible for a conforming application to work around this race condition since calling pthread_testcancel after setting async cancellation mode is not allowed (pthread_testcancel is not specified to be async-cancel-safe). thus the implementation should be responsible for eliminating the race, from a quality-of-implementation standpoint.
2011-09-04fmemopen: fix eof handling, hopefully right this timeRich Felker-3/+4
2011-09-04fmemopen fixesRich Felker-1/+3
disallow seek past end of buffer (per posix) fix position accounting to include data buffered for read don't set eof flag when no data was requested
2011-09-04memstreams: fix incorrect handling of file pos > current sizeRich Felker-4/+4
the addition is safe and cannot overflow because both operands are positive when considered as signed quantities.
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