glibc 2.15

[Ulrich Drepper <drepper at gmail dot com>]

I have tagged the tree for the 2.15 release.  This release saw some
changes in additional functionality but mainly optimizations:


Version 2.15

* The following bugs are resolved with this release:

  6779, 6783, 9696, 10103, 10709, 11589, 12403, 12786, 12840, 12847, 12868,
  12852, 12874, 12885, 12892, 12906, 12907, 12922, 12935, 12962, 13007,
  13021, 13061, 13062, 13067, 13068, 13085, 13088, 13090, 13092, 13096,
  13114, 13118, 13123, 13134, 13138, 13147, 13150, 13166, 13179, 13185,
  13189, 13192, 13268, 13276, 13282, 13291, 13305, 13328, 13335, 13337,
  13344, 13358, 13367, 13413, 13416, 13423, 13439, 13446, 13472, 13484,
  13506, 13515, 13523, 13524, 13538, 13540

* New program pldd to list loaded object of a process
  Implemented by Ulrich Drepper.

* Add nss_db support back to glibc.  No more dependency on Berkeley db
  and support for initgroups lookups.
  Implemented by Ulrich Drepper.

* Optimized strcpy, strncpy, stpcpy, stpncpy for SSE2 and SSSE3 on x86-32.
  Contributed by HJ Lu.

* Improved strcpy, strncpy, stpcpy, stpncpy for SSE2 and SSSE3 on x86-64.
  Contributed by HJ Lu.

* Optimized strcat, strncat on x86-64 and optimized wcscmp, wcslen, strnlen
  on x86-32 and x86-64.
  Contributed by Liubov Dmitrieva.

* Optimized strchr and strrchr for SSE on x86-32.
  Contributed by Liubov Dmitrieva.

* Optimized memchr, memrchr, rawmemchr, memcmp, wmemcmp, wcschr, wcscpy
  for x86-64 and x86-32.
  Contributed by Liubov Dmitrieva.

* New interfaces: scandirat, scandirat64
  Implemented by Ulrich Drepper.

* Checking versions of FD_SET, FD_CLR, and FD_ISSET added.
  Implemented by Ulrich Drepper.

* nscd now also caches the netgroup database.
  Implemented by Ulrich Drepper.

* Integrate libm with gcc's -ffinite-math-only option.
  Implemented by Ulrich Drepper.

* Lots of generic, 64-bit, and x86-64-specific performance optimizations
  to math functions.  Implemented by Ulrich Drepper.

* Optimized strcasecmp and strncasecmp for AVX on x86-64.
  Implemented by Ulrich Drepper.

* New Linux interfaces: process_vm_readv, process_vm_writev

* Optimized strcasecmp and strncasecmp for SSSE3 and SSE4.2 on x86-32.
  Implemented by Ulrich Drepper.

* Optimized nearbyint and strcasecmp for PPC.
  Implemented by Adhemerval Zanella.

* New locales: bho_IN, unm_US, es_CU, ta_LK


I'll branch the tree for 2.15 in the next few days after which the
development for 2.16 will start.  Expect the next release in 6
month-ish.

Thanks to everyone who helped with the release, especially


Adhemerval Zanella
Andreas Jaeger
Andreas Krebbel
Andreas Schwab
David S. Miller
H.J. Lu
Jakub Jelinek
Jiri Olsa
Joseph Myers
Liubov Dmitrieva
Marek Polacek
Paul Pluzhnikov
Roland McGrath
Samuel Thibault
Will Schmidt