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I've uploaded
http://people.redhat.com/drepper/nptl/nptl-0.31.tar.bz2
ftp://people.redhat.com/drepper/nptl/nptl-0.31.tar.bz2
Quite a few changes since the last code drop:
- Support for all of the _POSIX_CLOCK_SELECTION option is added.
This mainly means the pthread_condattr_[gs]etclock functions and
the underlying functionality in pthread_cond_timedwait. The
clock_nanosleep function was already available. The CLOCK_MONOTONIC
clock works only if the kernel has the support.
- the atomic.h header is now in glibc itself. Several __lll* macros
introduced for various architectures could be removed afterwards.
- lots of cleanups. Symbol versions have been corrected.
- little optimizations here and there. Nothing major but it might add
up. The most promising change is the early release of the internal
lock before waking up other threads.
- pretty bad bug in x86's pthread_cond_timedwait. This explains the
few crashes we have seen (no reports from the outside)
- implementation of POSIX timers based on kernel support. This gets
rid of the ugly userlevel code.
There is one big issues with this: the timer_t type for 64bit archs
has changed. We can handle this with symbol versioning, no problem.
But this change hits a hole in the standard. I've fixed an
interpretation request. If the result is to not allow the behavior
currently implemented the timer_t change has to be undone for 64bit
archs. Therefore nobody must rely on the current librt interface
to be stable on 64bit archs. The changes will be undone if necessary
without consideration of code build using the new code.