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* make dns lookups (and thus getaddrinfo) cancellableRich Felker2011-09-211-4/+11
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* use poll rather than select in dns lookups (also clock_gettime)Rich Felker2011-09-211-12/+10
| | | | | | | | | | if the file descriptor resource limit has been increased past FD_SETSIZE, this is actually a security issue; we could write past the end of the fd_set object. using poll makes it a non-issue, and simplifies the code at the same time. also, use clock_gettime instead of gettimeofday, for reduced bloat and better entropy.
* fix missing SIG_DFL, SIG_IGN, SIG_ERR without posix in signal.hRich Felker2011-09-211-5/+6
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* avoid setting FILE lock count when not using flockfileRich Felker2011-09-211-1/+1
| | | | | | | for now this is just a tiny optimization, but later if we support cancellation from __stdio_read and __stdio_write, it will be necessary for the recusrive lock count to be zero in order for these functions to know they are responsible for unlocking the FILE on cancellation.
* gnu search.h has struct qelem...Rich Felker2011-09-211-0/+7
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* release notes for 0.8.3 v0.8.3Rich Felker2011-09-211-0/+13
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* update syscalls with off_t arguments to handle argument alignment, if neededRich Felker2011-09-219-11/+14
| | | | | | the arm syscall abi requires 64-bit arguments to be aligned on an even register boundary. these new macros facilitate meeting the abi requirement without imposing significant ugliness on the code.
* new gcc wrapper now supports pre-4.4 gcc versions and is more robustRich Felker2011-09-211-17/+40
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* new installation guide with alternate and primary libc setupsRich Felker2011-09-211-37/+107
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* fix some header typosRich Felker2011-09-202-2/+2
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* make stdbool.h conform to c99Rich Felker2011-09-201-1/+2
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* fix incorrect include guard in mqueue.hRich Felker2011-09-201-2/+2
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* fix statvfs.c to match new fsid_t definitionRich Felker2011-09-201-1/+1
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* fix the fsid_t structure to match name of __valRich Felker2011-09-201-1/+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.
* fix broken siginfo_t with _GNU_SOURCE definedRich Felker2011-09-201-6/+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.
* fix the definition of struct statvfs to match lsb abiRich Felker2011-09-197-70/+88
| | | | | at the same time, make struct statfs match the traditional definition and make it more useful, especially the fsid_t stuff.
* add some more siginfo aliases broken software expects...Rich Felker2011-09-191-0/+2
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* cleanup redundancy in bits/signal.h versionsRich Felker2011-09-194-376/+139
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* fix the type of wchar_t on arm; support wchar_t varying with archRich Felker2011-09-196-21/+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.
* fix incorrect long double parameters on arm (and other future ports)Rich Felker2011-09-192-10/+22
| | | | | this was the cause of crashes in printf when attempting to print floating point values.
* fix broken multi-inclusion guard in sys/reg.hRich Felker2011-09-191-2/+2
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* initial commit of the arm portRich Felker2011-09-1836-0/+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.
* disable dynamic linking/loading code in static libc builds, for nowRich Felker2011-09-181-0/+2
| | | | | it does not work, but some configure scripts will falsely detect support then generate programs that crash when they call dlopen.
* cleanup more bits cruft (sysmacros and socket)Rich Felker2011-09-186-414/+199
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* more bits junk (tcp.h)Rich Felker2011-09-183-3/+1
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* move invariant netinet/in.h stuff out of bits/in.hRich Felker2011-09-183-292/+147
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* overhaul clone syscall wrappingRich Felker2011-09-189-62/+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.
* release notes for 0.8.2 v0.8.2Rich Felker2011-09-171-0/+11
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* dummy implementation of set_thread_areaRich Felker2011-09-171-0/+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.
* fix assumptions that char is signedRich Felker2011-09-161-2/+2
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* fix more instances of old a_xchg (use new a_swap name)Rich Felker2011-09-163-3/+3
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* use a_swap rather than old name a_xchgRich Felker2011-09-161-1/+1
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* fix generic sigsetjmp (unused anyway) pointer signedness errorRich Felker2011-09-161-1/+1
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* fix idiotic const-correctness error in lio_listioRich Felker2011-09-161-1/+1
| | | | | i blame this one on posix for using hideous const-qualified double pointers which are unusable without hideous casts.
* fix ptrace (maybe)Rich Felker2011-09-161-1/+8
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* implement ptrace syscall wrapper (untested)Rich Felker2011-09-152-1/+19
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* 0.8.1 release notes v0.8.1Rich Felker2011-09-141-0/+9
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* remove incorrectly-made-visible internal dst offset variableRich Felker2011-09-141-1/+0
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* fix inconsistent signature for aio_errorRich Felker2011-09-141-1/+1
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* fix return types for aio_read and aio_write againRich Felker2011-09-132-4/+4
| | | | | previous fix was backwards and propagated the wrong type rather than the right one...
* fix various errors in function signatures/prototypes found by nszRich Felker2011-09-139-16/+19
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* fix cruft left in release notesRich Felker2011-09-131-1/+1
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* fix prototypes for aio_read and aio_writeRich Felker2011-09-131-2/+2
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* add missing posix_spawnattr_init/destroy functionsRich Felker2011-09-132-0/+13
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* 0.8.0 release v0.8.0Rich Felker2011-09-132-14/+68
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* remove some stray trailing space charactersRich Felker2011-09-134-4/+4
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* implement gnu sigisemptysetRich Felker2011-09-122-0/+10
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* add prototypes for GNU *_unlocked stdio functionsRich Felker2011-09-111-0/+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.
* add dummied strverscmp (obnoxious GNU function)Rich Felker2011-09-112-0/+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.
* declare alloca in stdlib.h when _GNU_SOURCE is definedRich Felker2011-09-111-0/+1
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