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@ -1984,3 +1984,55 @@ arch-specfic bugs fixed: |
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- on mips, return from start function passed to clone crashed (runaway exec) |
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- on mips, return from start function passed to clone crashed (runaway exec) |
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- printf %a precision specifier malfunctioned except on ld80 archs |
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- printf %a precision specifier malfunctioned except on ld80 archs |
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- async thread cancellation crashed on powerpc64 and sh-fdpic |
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- async thread cancellation crashed on powerpc64 and sh-fdpic |
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1.1.21 release notes |
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new features: |
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- setting default thread stack size via PT_GNU_STACK program header |
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- arm vfork implementation |
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- arm tlsdesc/gnu2 tls dialect support |
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- name_to_handle_at and name_to_handle_at syscall wrappers |
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- header-level support for new linux features through 4.18 |
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optimizations: |
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- glob rewrite with much better performance and stack usage properties |
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- single-threaded and already-locked fast paths for getc/putc variants |
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- single-instruction fma implementations for arm, s390x, powerpc, & x86_64 |
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- single-instruction fabs and sqrt implementations for powerpc |
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- size and performance from making all internal-only functions/data hidden |
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- made &errno and pthread_self results cachable again (attribute((const))) |
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- significant speedup in strtod with short inputs |
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- new tsearch AVL tree implementation, smaller and faster |
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- special-cased nop calls to wmemmove |
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- fixed erroneously suboptimal skip conditions in strstr and memmem |
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hardening: |
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- default thread stack guard size increased from 4k to 8k |
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compatibility: |
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- default thread stack size increased from 80k to 128k |
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- building for arm as thumb2 with clang internal assembler now works |
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- aio threads could overflow stack on kernels that break MINSIGSTKSZ ABI |
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- aio threads no longer call malloc (problematic with malloc replacement) |
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- pthread_sigmask/sigprocmask now ignore an invalid how when not changing mask |
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bugs fixed: |
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- soft deadlock regression in stdio FILE locks with >2 threads contending |
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- deadlock and buffered data loss race in fclose |
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- race condition leading to possible crash in dcngettext plural forms |
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- glob failed to see past searchable-but-unreadable path components |
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- getdelim wrongly realloc'd buffer that was already exactly right size |
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- getdelim failed to set stream orientation on early error |
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- ttyname[_r] reported wrong error when given bad fd |
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- pthread_key_delete left old tsd values exposed if slot was reused |
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- freeaddrinfo failed to support freeing sublists |
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- access to optopt was broken by copy relocations |
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- memccpy returned wrong result if first byte past buffer end matched |
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- wordexp read past end of input string ending in backslash |
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- sem_wait and sem_timedwait were wrongly not interruptible by signals |
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- getspnam[_r] wrongly treated not-found as an error |
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arch-specfic bugs fixed: |
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- soft deadlocks (missing futex wake) on powerpc locking |
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- dlsym returned wrong address for thread-local symbols on ppc/mips/m68k |
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Rich Felker
7 years ago