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@ -186,26 +186,36 @@ for nonstandard macros, etc. |
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0.7.9 - new cancellation, bug fixes, compatibility, optimization, cleanup |
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major changes to pthread cancellation handling which simplify and |
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reduce code size while ensuring no resource leaks or dangerous |
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behavior with signals. |
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better code factorization for smaller static binary sizes, especially |
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in the presence of library code that is thread-aware but never |
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actually creates any threads. |
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optimizations for size and performance in many syscall wrappers and |
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pthread functions. |
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fixed fcntl locking on x86_64. |
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fixed syslog implementation to work correctly with busybox syslogd and |
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presumably all other syslogd implementations using /dev/log. |
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fixed major problems, including wrong public struct definitions, in |
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sysvipc interfaces. |
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improved timers with thread delivery to avoid some issues with reusing |
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the same thread for all expirations. |
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0.7.9 release notes |
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new pthread cancellation implementation: |
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- safe against resource-leak/side-effect-leak race conditions |
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- safe against interruption by signal handlers |
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- reduced bloat in all cancellable functions |
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- reduced bloat for blocking cancellation |
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new interfaces implemented: |
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- realpath (limited functionality) |
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- wordexp (limited functionality) |
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- flock (nonstandard) |
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- forkpty (nonstandard) |
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- posix_fadvise |
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- posix_fallocate |
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general bug fixes: |
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- syslog function failure to communicate with syslogd |
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- bug in siginfo_t definition if wait.h was included before signal.h |
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- incorrect struct definitions for most of sysv ipc |
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- pthread_exit/cancel on timer handler wrongly destroying the timer |
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- linux dup2 ebusy workaround |
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- obscure issues in non-threaded programs using some pthread functions |
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- getopt_long allowed mismatch in last char of option name |
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- incorrect parsing of obscure ip address forms |
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- initgroups not working reliably (uninitialized var) |
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- shadow pass treating empty expiry field as pass-expired-in-1970 |
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- bogus longjmp if pthread_exit was called from cancellation handlers |
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x86_64-specific bug fixes: |
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- fcntl file locking |
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- thread stack alignment |
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- broken select timeouts due to incorrect timeval definition |
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Rich Felker
15 years ago