| Commit message (Expand) | Author | Age | Files | Lines |
|---|
| * | implement wcsftime function | Rich Felker | 2012-02-28 | 1 | -0/+32 |
| * | fix pthread_cleanup_pop(1) crash in non-thread-capable, static-linked programs | Rich Felker | 2012-02-28 | 2 | -2/+2 |
| * | work around "signal loses thread pointer" issue with "approach 2"•••this was discussed on the mailing list and no consensus on the
preferred solution was reached, so in anticipation of a release, i'm
just committing a minimally-invasive solution that avoids the problem
by ensuring that multi-threaded-capable programs will always have
initialized the thread pointer before any signal handler can run.
in the long term we may switch to initializing the thread pointer at
program start time whenever the program has the potential to access
any per-thread data.
| Rich Felker | 2012-02-27 | 2 | -2/+8 |
| * | new attempt at working around the gcc 3 visibility bug•••since gcc is failing to generate the necessary ".hidden" directive in
the output asm, generate it explicitly with an __asm__ statement...
| Rich Felker | 2012-02-24 | 3 | -0/+11 |
| * | remove useless attribute visibility from definitions•••this was a failed attempt at working around the gcc 3 visibility bug
affecting x86_64. subsequent patch will address it with an ugly but
working hack.
| Rich Felker | 2012-02-24 | 2 | -2/+2 |
| * | cleanup and work around visibility bug in gcc 3 that affects x86_64•••in gcc 3, the visibility attribute must be placed on both the
declaration and on the definition. if it's omitted from the
definition, the compiler fails to emit the ".hidden" directive in the
assembly, and the linker will either generate textrels (if supported,
such as on i386) or refuse to link (on targets where certain types of
textrels are forbidden or impossible without further assumptions about
memory layout, such as on x86_64).
this patch also unifies the decision about when to use visibility into
libc.h and makes the visibility in the utf-8 state machine tables
based on libc.h rather than a duplicate test.
| Rich Felker | 2012-02-23 | 4 | -12/+15 |
| * | fix (hopefully) PTRACE_TRACEME (command 0) argument handling | Rich Felker | 2012-02-23 | 1 | -2/+2 |
| * | fix for previous incorrect fix of cancellation in dns lookups•••uninitialized file descriptor was being closed on return, causing
stdin to be closed in many cases.
| Rich Felker | 2012-02-23 | 1 | -3/+4 |
| * | fix get_current_dir_name behavior | Rich Felker | 2012-02-17 | 1 | -2/+6 |
| * | add get_current_dir_name function | Rich Felker | 2012-02-17 | 1 | -0/+12 |
| * | fix default nameserver when resolv.conf doesn't exist | Rich Felker | 2012-02-11 | 1 | -1/+2 |
| * | fix illegal goto out of cleanup context in dns lookups | Rich Felker | 2012-02-11 | 1 | -3/+3 |
| * | small fix for new pthread cleanup stuff•••even if pthread_create/exit code is not linked, run flag needs to be
checked and cleanup function potentially run on pop. thus, move the
code to the module that's always linked when pthread_cleanup_push/pop
is used.
| Rich Felker | 2012-02-09 | 2 | -1/+1 |
| * | replace bad cancellation cleanup abi with a sane one•••the old abi was intended to duplicate glibc's abi at the expense of
being ugly and slow, but it turns out glib was not even using that abi
except on non-gcc-compatible compilers (which it doesn't even support)
and was instead using an exceptions-in-c/unwind-based approach whose
abi we could not duplicate anyway without nasty dwarf2/unwind
integration.
the new abi is copied from a very old glibc abi, which seems to still
be supported/present in current glibc. it avoids all unwinding,
whether by sjlj or exceptions, and merely maintains a linked list of
cleanup functions to be called from the context of pthread_exit. i've
made some care to ensure that longjmp out of a cleanup function should
work, even though it is not required to.
this change breaks abi compatibility with programs which were using
pthread cancellation, which is unfortunate, but that's why i'm making
the change now rather than later. considering that most pthread
features have not been usable until recently anyway, i don't see it as
a major issue at this point.
| Rich Felker | 2012-02-09 | 3 | -62/+23 |
| * | document iswspace and remove wrongly-included zwsp character | Rich Felker | 2012-02-09 | 1 | -1/+5 |
| * | fix typo in iswspace space list table | Rich Felker | 2012-02-09 | 1 | -1/+1 |
| * | protect against cancellation in dlopen•••i'm not sure that it's "correct" for dlopen to block cancellation
when calling constructors for libraries it loads, but it sure seems
like the right thing. in any case, dlopen itself needs cancellation
blocked.
| Rich Felker | 2012-02-07 | 1 | -2/+5 |
| * | reduce some wasted space in dso structure | Rich Felker | 2012-02-07 | 1 | -3/+3 |
| * | more locale_t interfaces (string stuff) and header updates•••this should be everything except for some functions where the non-_l
version isn't even implemented yet (mainly some non-ISO-C wcs*
functions).
| Rich Felker | 2012-02-06 | 7 | -0/+48 |
| * | fix some omissions and mistakes in locale_t interface definitions | Rich Felker | 2012-02-06 | 13 | -13/+13 |
| * | add more of the locale_t interfaces, all dummied out to ignore the locale | Rich Felker | 2012-02-06 | 18 | -0/+108 |
| * | x86_64 vfork implementation•••untested; should work.
| Rich Felker | 2012-02-06 | 1 | -0/+12 |
| * | run ctors/dtors for shared objects loaded with dlopen | Rich Felker | 2012-02-06 | 1 | -0/+1 |
| * | add support for init/finit (constructors and destructors)•••this is mainly in hopes of supporting c++ (not yet possible for other
reasons) but will also help applications/libraries which use (and more
often, abuse) the gcc __attribute__((__constructor__)) feature in "C"
code.
x86_64 and arm versions of the new startup asm are untested and may
have minor problems.
| Rich Felker | 2012-02-06 | 1 | -0/+19 |
| * | add deprecated (removed from posix) [efg]cvt() functions•••these have not been heavily tested, but they should work as described
in the old standards. probably broken for non-finite values...
| Rich Felker | 2012-02-06 | 3 | -0/+52 |
| * | include dummied-out dlopen and dlsym functions for static binaries•••these don't work (or do anything at all) but at least make it possible
to static link programs that insist on "having" dynamic loading
support...as long as they don't actually need to use it.
adding real support for dlopen/dlsym with static linking is going to
be significantly more difficult...
| Rich Felker | 2012-02-03 | 1 | -1/+10 |
| * | make stdio open, read, and write operations cancellation points•••it should be noted that only the actual underlying buffer flush and
fill operations are cancellable, not reads from or writes to the
buffer. this behavior is compatible with POSIX, which makes all
cancellation points in stdio optional, and it achieves the goal of
allowing cancellation of a thread that's "stuck" on IO (due to a
non-responsive socket/pipe peer, slow/stuck hardware, etc.) without
imposing any measurable performance cost.
| Rich Felker | 2012-02-02 | 3 | -5/+28 |
| * | make passwd/group functions safe against cancellation in stdio•••these changes are a prerequisite to making stdio cancellable.
| Rich Felker | 2012-02-01 | 4 | -6/+35 |
| * | add fgetpwent (nonstandard function)•••based on patch by Jeremy Huntwork
| Rich Felker | 2012-01-29 | 1 | -0/+9 |
| * | add linux setfs[ug]id syscall wrappers•••patch by Jeremy Huntwork
| Rich Felker | 2012-01-28 | 2 | -0/+16 |
| * | add legacy futimes and lutimes functions•••based on patch by sh4rm4. these functions are deprecated; futimens and
utimensat should be used instead in new programs.
| Rich Felker | 2012-01-24 | 2 | -0/+26 |
| * | make glob mark symlinks-to-directories with the GLOB_MARK flag•••POSIX is unclear on whether it should, but all historical
implementations seem to behave this way, and it seems more useful to
applications.
| Rich Felker | 2012-01-23 | 1 | -1/+1 |
| * | fix broken copy relocations from dynamic linker cleanup•••this issue affected programs which use global variables exported by
non-libc libraries.
| Rich Felker | 2012-01-23 | 1 | -1/+4 |
| * | dynamic linker support for PIE binaries (position-independent main program)•••even with this change, PIE will not work yet due to deficiencies in
the crt1.o startup code.
| Rich Felker | 2012-01-23 | 1 | -3/+6 |
| * | cleanup dynamic linker, removing some code duplication | Rich Felker | 2012-01-23 | 1 | -78/+64 |
| * | fix cancellation failure in single-threaded programs•••even a single-threaded program can be cancellable, e.g. if it's called
pthread_cancel(pthread_self()). the correct predicate to check is not
whether multiple threads have been invoked, but whether pthread_self
has been invoked.
| Rich Felker | 2012-01-22 | 1 | -1/+1 |
| * | support GLOB_PERIOD flag (GNU extension) to glob function•••patch by sh4rm4
| Rich Felker | 2012-01-22 | 1 | -1/+2 |
| * | use prlimit syscall for getrlimit/setrlimit•••this allows the full range of 64-bit limit arguments even on 32-bit
systems. fallback to the old syscalls on old kernels that don't
support prlimit.
| Rich Felker | 2012-01-20 | 2 | -4/+14 |
| * | add prlimit syscall wrapper | Rich Felker | 2012-01-20 | 1 | -0/+8 |
| * | fix dynamic linker not to depend on DYNAMIC ptr in 0th entry of GOT•••this fixes an issue using gold instead of gnu ld for linking. it also
should eliminate the need of the startup code to even load/pass the
got address to the dynamic linker.
based on patch submitted by sh4rm4 with minor cosmetic changes.
further cleanup will follow.
| Rich Felker | 2012-01-20 | 1 | -3/+12 |
| * | alias basename to glibc name for it, to meet abi goals•••note that regardless of the name used, basename is always conformant.
it never takes on the bogus gnu behavior, unlike glibc where basename
is nonconformant when declared manually without including libgen.h.
| Rich Felker | 2012-01-18 | 1 | -0/+3 |
| * | fix char signedness bug in dynlinker hash function•••this only affects non-ascii symbol names, which are probably not in
use anyway..
| Rich Felker | 2012-01-17 | 1 | -1/+2 |
| * | fix broken reboot wrapper (syscall needs extra silly magic arguments...) | Rich Felker | 2011-12-23 | 1 | -1/+1 |
| * | fix issue with excessive mremap syscalls on realloc•••CHUNK_SIZE macro was defined incorrectly and shaving off at least one
significant bit in the size of mmapped chunks, resulting in the test
for oldlen==newlen always failing and incurring a syscall. fortunately
i don't think this issue caused any other observable behavior; the
definition worked correctly for all non-mmapped chunks where its
correctness matters more, since their lengths are always multiples of
the alignment.
| Rich Felker | 2011-11-16 | 1 | -4/+2 |
| * | fix signed overflows at most-negative values in ato(i|l|ll)•••patch by Pascal Cuoq (with minor tweaks to comments)
| Rich Felker | 2011-11-10 | 3 | -6/+9 |
| * | report sem value overflows in sem_post•••this is not required by the standard, but it's nicer than corrupting
the state and rather inexpensive.
| Rich Felker | 2011-10-26 | 1 | -0/+4 |
| * | support vfork on i386 | Rich Felker | 2011-10-14 | 1 | -0/+14 |
| * | make available a namespace-safe vfork, if supported•••this may be useful to posix_spawn..?
| Rich Felker | 2011-10-14 | 1 | -1/+4 |
| * | add dummy __cxa_finalize•••musl's dynamic linker does not support unloading dsos, so there's
nothing for this function to do. adding the symbol in case anything
depends on its presence..
| Rich Felker | 2011-10-14 | 1 | -0/+4 |
| * | support __cxa_atexit, and registering atexit functions from atexit handlers•••mildly tested; may have bugs. the locking should be updated not to use
spinlocks but that's outside the scope of this one module.
| Rich Felker | 2011-10-14 | 1 | -7/+26 |
