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phoenix |
Release 0.7:
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- Destructors for thread-specific data now conform to the POSIX semantics
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(call destructors again if non-NULL TSD remains after a round of
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destruction).
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- Implemented thread-specific data as a sparse array, allows more TSD keys
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and smaller thread descriptors (Ulrich Drepper).
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- Added "error checking" mutexes.
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- Protect against multiple sigwait() on the same signals.
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- Simplified implementation of semaphores when compare_and_swap is
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not available.
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- Fixed bug in fork() where stdin was closed if fork() was called before
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the first pthread_create().
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- Fixed bug in the gethostby*_r functions (bad result if null bytes
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in addresses).
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- Typos in manual pages corrected.
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- First cut at a PowerPC port (not working yet, runs into problems
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with gcc and with the C library).
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Release 0.6:
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- Validation of thread identifiers: no more crashes when operating on
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a thread that has exited (based on Pavel Krauz's ideas).
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- Added fallback implementation of semaphores for the 386 and the
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Sparc.
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- Fixed a bug in signal handling causing false restarts of suspended
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threads.
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- Fixed a bug in realtime scheduling causing all threads to have
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default scheduling on Ix86 with libc5.
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- With realtime scheduling, unlocking a mutex now restarts the
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highest priority thread waiting on the mutex, not the
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first-suspended thread (Richard Neitzel).
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- Timing a process now returns cumulative times for all threads, not
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just times for the initial thread (suggested by Wolfram Gloger).
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- Cleaned up name space (internal defs prefixed by __, weak aliases
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for non-portable extensions).
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- MIPS port (contributed by Ralf Baechle).
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Release 0.5:
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- Signal-safe semaphores a la POSIX 1003.1b added.
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- Locking bug in pthread_mutex_trylock over recursive mutexes fixed.
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- Race conditions in thread cancellation fixed.
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- Sparc port (contributed by Miguel de Icaza).
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- Support for getpwnam_r and getpwuid_r.
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- Added pthread_kill_other_threads_np to be used in conjunction with
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exec*().
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Release 0.4:
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- Manual pages for all functions.
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- Synchronization bug causing accumulation of zombie processes fixed.
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- Race condition in pthread_cond_timedwait fixed.
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- Recursive mutexes are back by popular demand.
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- Partial support for realtime scheduling (initiated by Richard Neitzel).
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- pthread.h cleaned up a lot: now C++ compatible, added missing "const"
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qualifiers, added short documentation, put to GNU libc standards
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for name space pollution (Ulrich Drepper).
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- Motorola 68k port (contributed by Andreas Schwab).
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- Interaction with fork(2) cleaned up a lot.
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Release 0.3:
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- Thread creation and reclaimation now performed by a centralized
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"thread manager" thread.
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- Removed recursive mutexes to make regular mutexes more efficient.
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- Now available as a shared library (contributed by Richard Henderson).
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- Alpha port (contributed by Richard Henderson).
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- Fixed many small discrepancies with Posix 1003.1c.
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- Put under the LGPL instead of the GPL.
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Release 0.2:
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- Reentrant libc functions (adapted from libc 5.3.9 by Peeter Joot)
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- pthread_cond_wait did not reacquire the mutex correctly on return
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- More efficient pthread_cond_broadcast
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Release 0.1:
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- First public release
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