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unlocked NORMAL mutex.
Althought, it is undefined behavior, there is no reason for segfault.
Program received signal SIGSEGV, Segmentation fault.
__pthread_unlock (lock=lock@entry=0x804b03c <lock+16>)
at libpthread/linuxthreads.old/spinlock.c:231
231 (&lock->__status, oldstatus, (long)(thr->p_nextlock) & ~1L))
It occurs only on platforms which has HAS_COMPARE_AND_SWAP defined.
Restore glibc commit fbaf6e72d6 "spinlock.c (__pthread_unlock): Don't crash if
called for an untaken mutex." behavior, broken later by commit 4ad1d0cfbf.
Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
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Linuxthreads.new isn't really useful with the existence
of NPTL/TLS for well supported architectures. There is no
reason to use LT.new for ARM/MIPS or other architectures
supporting NPTL/TLS. It is not available for noMMU architectures
like Blackfin or FR-V. To simplify the live of the few uClibc-ng
developers, LT.new is removed and LT.old is renamed to LT.
LINUXTHREADS_OLD -> UCLIBC_HAS_LINUXTHREADS
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This reverts commit 6b6ede3d15f04fe825cfa9f697507457e3640344.
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* share Sys V semaphores in order to get appropriate SEM_UNDO semantics.
* correct guardaddr in pthread_free() for TLS case
* move spinlock unlocking before restart()
* When exit was called from a signal handler, the restart
from the manager processing the exit request instead restarted the thread
in pthread_cond_timedwait.
(see http://sources.redhat.com/ml/libc-ports/2006-05/msg00000.html)
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of latest glibc version
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spinlock.c:35: warning: matching constraint does not allow a register
Update the asm to match glibc.
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from glibc 2.3. This should make threads much more efficient.
-Erik
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glibc 2.1.3 and ported to work with uClibc by Stefan Soucek and Erik Andersen
(me). Stefan has hacked things up such that linuxthreads runs on MMU-less
systems (tested only on arm-nommu). Erik cleaned things up and made it work
properly as a shared library.
-Erik
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