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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 flockfile•••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. Rich Felker1-1/+1
2011-09-21gnu search.h has struct qelem...Rich Felker1-0/+7
2011-09-21release notes for 0.8.3Rich Felker1-0/+13
2011-09-21update syscalls with off_t arguments to handle argument alignment, if needed•••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. Rich Felker9-11/+14
2011-09-21new gcc wrapper now supports pre-4.4 gcc versions and is more robustRich Felker1-16/+39
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 __val•••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. Rich Felker1-1/+1
2011-09-20fix broken siginfo_t with _GNU_SOURCE defined•••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. Rich Felker1-6/+5
2011-09-19fix the definition of struct statvfs to match lsb abi•••at the same time, make struct statfs match the traditional definition and make it more useful, especially the fsid_t stuff. Rich Felker7-70/+88
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 arch•••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. Rich Felker6-21/+20
2011-09-19fix incorrect long double parameters on arm (and other future ports)•••this was the cause of crashes in printf when attempting to print floating point values. Rich Felker2-10/+22
2011-09-19fix broken multi-inclusion guard in sys/reg.hRich Felker1-2/+2
2011-09-18initial commit of the arm port•••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. Rich Felker36-0/+2225
2011-09-18disable dynamic linking/loading code in static libc builds, for now•••it does not work, but some configure scripts will falsely detect support then generate programs that crash when they call dlopen. Rich Felker1-0/+2
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 wrapping•••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. Rich Felker9-62/+135
2011-09-17release notes for 0.8.2Rich Felker1-0/+11
2011-09-17dummy implementation of set_thread_area•••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. Rich Felker1-0/+6
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_listio•••i blame this one on posix for using hideous const-qualified double pointers which are unusable without hideous casts. Rich Felker1-1/+1
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 notesRich 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 again•••previous fix was backwards and propagated the wrong type rather than the right one... Rich Felker2-4/+4
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 releaseRich Felker2-12/+66
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 functions•••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. Rich Felker1-0/+4
2011-09-11add dummied strverscmp (obnoxious GNU function)•••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. Rich Felker2-0/+8
2011-09-11declare alloca in stdlib.h when _GNU_SOURCE is definedRich Felker1-0/+1
2011-09-11fix serious bug in pthread_join•••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. Rich Felker1-2/+2
2011-09-09fix pthread_join wait call: thread termination tid futex is not private•••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. Rich Felker1-1/+1