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PR/46297 CVS commit: pkgsrc/lang

The following reply was made to PR pkg/46297; it has been noted by GNATS.

From: "Aleksej Saushev" <>
Subject: PR/46297 CVS commit: pkgsrc/lang
Date: Thu, 12 Apr 2012 12:14:13 +0000

 Module Name:   pkgsrc
 Committed By:  asau
 Date:          Thu Apr 12 12:14:13 UTC 2012
 Modified Files:
        pkgsrc/lang/erlang: Makefile Makefile.versions PLIST PLIST.hipe
        pkgsrc/lang/erlang-doc: PLIST distinfo
        pkgsrc/lang/erlang-man: PLIST distinfo
        pkgsrc/lang/erlang/patches: patch-ai patch-am
 Added Files:
        pkgsrc/lang/erlang/patches: patch-lib_wx_configure
 Removed Files:
 Log Message:
 Update to Erlang/OTP R15B01
 Presumably fixes PR pkg/46297
 Changes in Erlang/OTP R15B01
   * Added erlang:statistics(scheduler_wall_time) to ensure
     correct determination of scheduler utilization. Measuring
     scheduler utilization is strongly preferred over CPU
     utilization, since CPU utilization gives very poor
     indications of actual scheduler/vm usage.
   * Changed ssh implementation to use the public_key application
     for all public key handling. This is also a first step for
     enabling a callback API for supplying public keys and
     handling keys protected with password phrases. Additionally
     the test suites where improved so that they do not copy the
     users keys to test server directories as this is a security
     liability. Also ipv6 and file access issues found in the
     process has been fixed.
   * When an escript ends now all printout to standard output and
     standard error gets out on the terminal. This bug has been
     corrected by changing the behaviour of erlang:halt/0,1,
     which should fix the same problem for other escript-like
     applications, i.e. that data stored in the output port
     driver buffers got lost when printing on a TTY and exiting
     through erlang:halt/0,1. The BIF:s erlang:halt/0,1 has
     gotten improved semantics and there is a new BIF
     erlang:halt/2 to accomplish something like the old
     semantics. See the documentation.
   * The DTrace source patch from Scott Lystig Fritchie is
     integrated in the source tree. Using an emulator with dtrace
     probe is still not supported for production use, but may be
     a valuable debugging tool.
   * Added Torbjörn Törnkvists LDAP client as a new application
     called eldap.
   * Added options for the ssh client to support user keys files
     that are password protected.
 Changes in Erlang/OTP R15B
   * Line number and filename information are now included in
     exception backtraces. This information will be
     pretty-printed in the shell and used in crash reports etc.
     In practice it will be much easier to find where something
   * The driver interface has been changed to enable 64-bit aware
     drivers. Most importantly the return types for ErlDrvEntry
     callbacks 'call' and 'control' has been changed which
     require drivers to be changed.
   * New in this release is the support for 64 bit Windows.
     The self extracting installer can be found here.
   * CommonTest hooks are now in a final supported version.
   * There is a new GUI tool in the observer application which
     integrates pman, etop, appmon and tv into one tool. The tool
     does also contain functions for activating tracing in an easy way.
   * The Erlang distribution can now be run over the new SSL implementation.
 Changes in Erlang/OTP R15A
 Notable changes:
 OTP-9468  'Line numbers in exceptions'
 OTP-9451  'Parallel make'
 OTP-4779  A new GUI for Observer. Integrating pman, etop and tv into
           observer with tracing facilities.
 OTP-7775  A number of memory allocation optimizations have been
           implemented. Most optimizations reduce contention caused by
           synchronization between threads during allocation and
           deallocation of memory. Most notably:
              Synchronization of memory management in scheduler
              specific allocator instances has been rewritten to
              use lock-free synchronization.
              Synchronization of memory management in scheduler
             specific pre-allocators has been rewritten to use
             lock-free synchronization.
              The 'mseg_alloc' memory segment allocator now use
             scheduler specific instances instead of one
             instance. Apart from reducing contention this also
             ensures that memory allocators always create memory
             segments on the local NUMA node on a NUMA system.
 OTP-9632  An ERTS internal, generic, many to one, lock-free
           queue for communication between threads has been
           introduced. The many to one scenario is very common in
           ERTS, so it can be used in a lot of places in the
           future. Currently it is used by scheduling of certain
           jobs, and the async thread pool, but more uses are
           planned for the future.
           Drivers using the driver_async functionality are not
          automatically locked to the system anymore, and can be
          unloaded as any dynamically linked in driver.
           Scheduling of ready async jobs is now also interleaved
          in between other jobs. Previously all ready async jobs
          were performed at once.
 OTP-9631  The ERTS internal system block functionality has been
           replaced by new functionality for blocking the system.
           The old system block functionality had contention
           issues and complexity issues. The new functionality
           piggy-backs on thread progress tracking functionality
           needed by newly introduced lock-free synchronization
           in the runtime system. When the functionality for
           blocking the system isn't used, there is more or less
           no overhead at all. This since the functionality for
           tracking thread progress is there and needed anyway.
 To generate a diff of this commit:
 cvs rdiff -u -r1.50 -r1.51 pkgsrc/lang/erlang/Makefile
 cvs rdiff -u -r1.12 -r1.13 pkgsrc/lang/erlang/Makefile.versions
 cvs rdiff -u -r1.8 -r1.9 pkgsrc/lang/erlang/PLIST
 cvs rdiff -u -r1.1 -r1.2 pkgsrc/lang/erlang/PLIST.hipe
 cvs rdiff -u -r1.26 -r1.27 pkgsrc/lang/erlang/distinfo
 cvs rdiff -u -r1.11 -r1.12 pkgsrc/lang/erlang-doc/PLIST
 cvs rdiff -u -r1.8 -r1.9 pkgsrc/lang/erlang-doc/distinfo
 cvs rdiff -u -r1.9 -r1.10 pkgsrc/lang/erlang-man/PLIST
 cvs rdiff -u -r1.8 -r1.9 pkgsrc/lang/erlang-man/distinfo
 cvs rdiff -u -r1.3 -r1.4 pkgsrc/lang/erlang/patches/patch-ai
 cvs rdiff -u -r1.2 -r1.3 pkgsrc/lang/erlang/patches/patch-am
 cvs rdiff -u -r1.1 -r0 \
 cvs rdiff -u -r0 -r1.1 pkgsrc/lang/erlang/patches/patch-lib_wx_configure \
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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