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2011-09-21make dns lookups (and thus getaddrinfo) cancellableRich Felker1-4/+11
2011-09-21use poll rather than select in dns lookups (also clock_gettime)Rich Felker1-12/+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.
2011-09-21fix missing SIG_DFL, SIG_IGN, SIG_ERR without posix in signal.hRich Felker1-5/+6
2011-09-21avoid setting FILE lock count when not using flockfileRich Felker1-1/+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.
2011-09-21gnu search.h has struct qelem...Rich Felker1-0/+7
2011-09-21release notes for 0.8.3v0.8.3Rich Felker1-0/+13
2011-09-21update syscalls with off_t arguments to handle argument alignment, if neededRich Felker9-11/+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.
2011-09-21new gcc wrapper now supports pre-4.4 gcc versions and is more robustRich Felker1-17/+40
2011-09-21new installation guide with alternate and primary libc setupsRich Felker1-37/+107
2011-09-20fix some header typosRich Felker2-2/+2
2011-09-20make stdbool.h conform to c99Rich Felker1-1/+2
2011-09-20fix incorrect include guard in mqueue.hRich Felker1-2/+2
2011-09-20fix statvfs.c to match new fsid_t definitionRich Felker1-1/+1
2011-09-20fix the fsid_t structure to match name of __valRich Felker1-1/+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 Felker1-6/+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 Felker7-70/+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 Felker1-0/+2
2011-09-19cleanup redundancy in bits/signal.h versionsRich Felker4-376/+139
2011-09-19fix the type of wchar_t on arm; support wchar_t varying with archRich Felker6-21/+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 Felker2-10/+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 Felker1-2/+2
2011-09-18initial commit of the arm portRich Felker36-0/+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 Felker1-0/+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 Felker6-414/+199
2011-09-18more bits junk (tcp.h)Rich Felker3-3/+1
2011-09-18move invariant netinet/in.h stuff out of bits/in.hRich Felker3-292/+147
2011-09-18overhaul clone syscall wrappingRich Felker9-62/+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 Felker1-0/+11
2011-09-17dummy implementation of set_thread_areaRich Felker1-0/+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 Felker1-2/+2
2011-09-16fix more instances of old a_xchg (use new a_swap name)Rich Felker3-3/+3
2011-09-16use a_swap rather than old name a_xchgRich Felker1-1/+1
2011-09-16fix generic sigsetjmp (unused anyway) pointer signedness errorRich Felker1-1/+1
2011-09-16fix idiotic const-correctness error in lio_listioRich Felker1-1/+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 Felker1-1/+8
2011-09-15implement ptrace syscall wrapper (untested)Rich Felker2-1/+19
2011-09-140.8.1 release notesv0.8.1Rich Felker1-0/+9
2011-09-14remove incorrectly-made-visible internal dst offset variableRich Felker1-1/+0
2011-09-14fix inconsistent signature for aio_errorRich Felker1-1/+1
2011-09-13fix return types for aio_read and aio_write againRich Felker2-4/+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 Felker9-16/+19
2011-09-13fix cruft left in release notesRich Felker1-1/+1
2011-09-13fix prototypes for aio_read and aio_writeRich Felker1-2/+2
2011-09-13add missing posix_spawnattr_init/destroy functionsRich Felker2-0/+13
2011-09-130.8.0 releasev0.8.0Rich Felker2-14/+68
2011-09-13remove some stray trailing space charactersRich Felker4-4/+4
2011-09-12implement gnu sigisemptysetRich Felker2-0/+10
2011-09-11add prototypes for GNU *_unlocked stdio functionsRich Felker1-0/+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 Felker2-0/+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 Felker1-0/+1
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