actually these are just weak aliases for the normal locking versions
right now, and they will pr...

programs that use this tend to horribly botch international text
support, so it's questionable w...

on spurious wakeups/returns from __timedwait, pthread_join would
"succeed" and unmap the thread'...

this seeme to be the bug that prevented enabling of private futex
support. i'm going to hold off...

some features are not yet supported, and only minimal testing has been
performed. should be cons...

null termination is only added when current size grows.
in update modes, null termination is not...

read should not be allowed past "current size".
append mode should write at "current size", not ...

this is not strictly required by the standard, but without it, there
is a race condition where c...

disallow seek past end of buffer (per posix)
fix position accounting to include data buffered fo...

the addition is safe and cannot overflow because both operands are
positive when considered as s...

the expression -off is not safe in case off is the most-negative
value. instead apply - to base ...

testing so far has been minimal. may need further work.

not heavily tested, but it seems to be correct, including the odd
behavior that seeking is in te...

the return address was being truncated to 32 bits, preventing the
dlsym code from determining wh...

this is the first attempt, and may have bugs. only minimal testing has
been performed.

1 is too small if int is 32-bit but unsigned long is 64-bit. be
explicit and use 1UL.

its existence doesn't hurt anything, and dynamic-linked binaries using
previous versions of musl...

gcc generates extremely bad code (7 byte immediate mov) for the old
null pointer write approach....

this behavior (opening fds 0-2 for a suid program) is explicitly
allowed (but not required) by P...

it's missing at least:
- derived fields
- week numbers
- short year (without century) support
- ...

this does not change behavior, but the idea is to avoid letting other
code build up between thes...

the asm wrapper is needed to get the return address without
compiler-specific extensions.

a valid mmapped block will have an even (actually aligned) "extra"
field, whereas a freed chunk ...

no sense bloating apps with a function call for an equality comparison...

it previously was returning the pseudo-monotonic-realtime clock
returned by times() rather than ...

this is a "nonstandard" function that was "rejected" by POSIX, but
nonetheless had its behavior ...

fix up clone signature to match the actual behavior. the new
__syncall_wait function allows a __...

due to the barrier, it's safe just to block signals in the new thread,
rather than blocking and ...

if a timer thread leaves signals unblocked, any future attempt by the
main thread to prevent the...

this works around pcc's lack of working support for weak references,
and in principle is nice be...

the new absolute-time-based wait kernelside was hard to get right and
basically just code duplic...

normally we allow cancellation to be acted upon when a syscall fails
with EINTR, since there is ...

if gcc decided to move this across a conditional that checks validity
of the thread register, an...

if saved, signal mask would not be restored unless some low signals
were masked. if not saved, s...

cleanup push and pop are also no-ops if pthread_exit is not reachable.
this can make a big diffe...

previously, pthread_cleanup_push/pop were pulling in all of
pthread_create due to dependency on ...

like mutexes and semaphores, rwlocks suffered from a race condition
where the unlock operation c...

it's unclear whether EINVAL or ENOSYS is used when the operation is
not supported, so check for ...

futex returns EINVAL, not ENOSYS, when op is not supported.
unfortunately this looks just like E...

this dec used to be performed by the cancellation handler, which was
called when popped.

new features:

- FUTEX_WAIT_BITSET op will be used for timed waits if available. this
saves a ...

this change is needed to fix a race condition and ensure that it's
possible to unlock and destro...

sigaddset was not accepting SIGCANCEL as a valid signal number.

the race condition these changes address is described in glibc bug
report number 12674:

http://...

i had missed the fact that a couple values were unassigned...

per POSIX and RFC 3493:

If the specified address family is AF_INET, AF_INET6, or AF_UNSPEC,
the...

this is necessary to avoid build errors if feature test macros are not
properly defined when inc...

this race is fundamentally due to linux's bogus requirement that
userspace, rather than kernelsp...

it's nicer for the function that doesn't use errno to be independent,
and have the other one cal...

setrlimit is supposed to be per-process, not per-thread, but again
linux gets it wrong. work aro...

previously, stdio used spinlocks, which would be unacceptable if we
ever add support for thread ...

changing credentials in a multi-threaded program is extremely
difficult on linux because it requ...

this helps some tiny programs be even more tiny, and barly increases
code size even if both are ...

thanks to mikachu

per POSIX:

The setenv() function shall fail if:

[EINVAL] The name argument ...

instead of creating temp dso objects on the stack and moving them to
the heap if dlopen/dlsym ar...

these changes also make it so clock_gettime(CLOCK_REALTIME, &ts) works
even on pre-2.6 kernels, ...

we cannot report failure after forking, so the idea is to ensure prior
to fork that fd 0,1,2 exi...

-1, not 0, indicates failure

some program was undefining AF_NETLINK and thereby breaking AF_ROUTE...

this resolves an issue reported by Vasiliy Kulikov

fread was calling f->read without checking that the file was in
reading mode. this could:
1. cra...

1. my interpretation of subject sequence definition was wrong. adjust
parser to conform to the s...

stopping without letting the parser see a stop character prevented
getting a result. so treat al...

this fixes a number of bugs in integer parsing due to lazy haphazard
wrapping, as well as some m...