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While attempting to debug odd terminal echo issues on Solaris, I noticed that
run_erl.c will fail to compile due to a typo causing a syntax error.
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The scheduler wakeup threshold is now possible to adjust at system boot.
For more information see the `+swt' command line argument of `erl'.
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* sverker/win-virtualization-off/OTP-7405:
Teach XP to ignore virtualization part of manifest
Turn off windows "virtualiztion"
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* rickard/ethread-rewrite/OTP-8544:
Rewrite ethread library
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Large parts of the ethread library have been rewritten. The
ethread library is an Erlang runtime system internal, portable
thread library used by the runtime system itself.
Most notable improvement is a reader optimized rwlock
implementation which dramatically improve the performance of
read-lock/read-unlock operations on multi processor systems by
avoiding ping-ponging of the rwlock cache lines. The reader
optimized rwlock implementation is used by miscellaneous
rwlocks in the runtime system that are known to be read-locked
frequently, and can be enabled on ETS tables by passing the
`{read_concurrency, true}' option upon table creation. See the
documentation of `ets:new/2' for more information.
The ethread library can now also use the libatomic_ops library
for atomic memory accesses. This makes it possible for the
Erlang runtime system to utilize optimized atomic operations
on more platforms than before. Use the
`--with-libatomic_ops=PATH' configure command line argument
when specifying where the libatomic_ops installation is
located. The libatomic_ops library can be downloaded from:
http://www.hpl.hp.com/research/linux/atomic_ops/
The changed API of the ethread library has also caused
modifications in the Erlang runtime system. Preparations for
the to come "delayed deallocation" feature has also been done
since it depends on the ethread library.
Note: When building for x86, the ethread library will now use
instructions that first appeared on the pentium 4 processor. If
you want the runtime system to be compatible with older
processors (back to 486) you need to pass the
`--enable-ethread-pre-pentium4-compatibility' configure command
line argument when configuring the system.
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When building with "--as-needed" linker flags on Linux the build will
fail. This has now been fixed.
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ld.sh built files not executable on XP, as parts of the manifest
were incomprehensible for XP machines.
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* peppe/common_test_r14_dev_2:
Misc documentation updates
Add documentation for run_test program
Step vsn for test_server to 3.4
Make {repeat*,N} property in group execute the group N times exactly
Fix so that ct_run converts relative diretories in the code path to absolute
Fix bug in handling framework:end_tc timeouts
Fix bug that prevents the interactive shell mode to start properly
Fix failing multiply timetrap test case
Minor fixes in code and test suites
Add support for executing pre-loaded suites (e.g. modules loaded as binaries)
Add test suite for remote loading of binary suites
Fix error with {repeat,0} property in groups causing double iterations
Add support for config info functions (e.g. init_per_suite/0)
Add support for dynamic timetrap handling
Have end_per_testcase run even after timetrap_timeout and abort_testcase
Flush old DOWN messages in demonitor
Add groups in test specifications
Add new tests for test case groups and test specifications
Improve and fix various test suites
Add event_handler_init start flag that can pass init arguments to event handlers
...
OTP-8703 peppe/common_test_r14_dev_2
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With -erl_args it's possible to divide the start options on the command line and this way specify explicitly which options are meant for Common Test, and which are meant for other OTP applications (or ERTS).
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Common Test may now be started with the program run_test instead of the legacy shell script with the same name.
Minor updates have also been made to the Webtool application.
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* pan/otp_8692_static_config_cache:
Teach rc.sh to use tail -n +2 instead of tail +2
Make win32.config.cache static and copied when doing otp_build configure
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* ms/inet_gethost-safe-debug-output:
Truncate debug messages
OTP-8615 ms/inet_gethost-safe-debug-output
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When the undocumented ERL_INET_GETHOST_DEBUG environment variable
is set to 5, very long hostnames can overflow the buffer used to
construct the debug message. Truncate debug messages if they exceed
the size of the buffer.
export ERL_INET_GETHOST_DEBUG=5
inet:gethostbyname(lists:duplicate(5000,"x")).
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This problems occurs in some recent versions of Emacs.
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of the script
This patch will ensure the Install.src script to exit with the exit code 0
when the execution finished at the end of the script.
Originally from FreeBSD port patch.
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improvements.
Most notable:
Lots of cross compilation improvements. The old cross compilation
support was more or less non-existing as well as broken. Please,
note that the cross compilation support should still be
considered as experimental. Also note that old cross compilation
configurations cannot be used without modifications. For more
information on cross compiling Erlang/OTP see the
$ERL_TOP/xcomp/README file.
Support for staged install using <url
href="http://www.gnu.org/prep/standards/html_node/DESTDIR.html">D
ESTDIR</url>. The old broken INSTALL_PREFIX has also been fixed.
For more information see the $ERL_TOP/README file.
Documentation of the release target of the top Makefile. For more
information see the $ERL_TOP/README file.
make install now by default creates relative symbolic links
instead of absolute ones. For more information see the
$ERL_TOP/README file.
$ERL_TOP/configure --help=recursive now works and prints help for
all applications with configure scripts.
Doing make install, or make release directly after make all no
longer triggers miscellaneous rebuilds.
Existing bootstrap system is now used when doing make install, or
make release without a preceding make all.
The crypto and ssl applications use the same runtime library path
when dynamically linking against libssl.so and libcrypto.so. The
runtime library search path has also been extended.
The configure scripts of erl_interface and odbc now search for
thread libraries and thread library quirks the same way as erts
do.
The configure script of the odbc application now also looks for
odbc libraries in lib64 and lib/64 directories when building on a
64-bit system.
The config.h.in file in the erl_interface application is now
automatically generated in instead of statically updated which
reduces the risk of configure tests without any effect.
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It is now possible to increase or decrease the maximum number of atoms
the VM can handle. The default value is 1048576 (1024*1024).
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* cf/compile_warning_as_error:
Add option -Werror in erlc(1)
compile: add flag warnings_as_errors to treat warnings as errors
compile.erl: remove trailing whitespace
OTP-8382 The -Werror option for erlc and the compiler option
warnings_as_errors will cause warnings to be treated as errors.
(Thanks to Christopher Faulet.)
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Like in gcc, this option treats warnings as errors.
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* egil/binary-gc:
Add documentation for binary heap size settings.
Add tracing capabilities for binary virtual heap
Add min heap size start options to beam and erl
Improve binary garbage collection
OTP-8370 The default settings for garbage collection of binaries has been
adjusted to be less aggressive than in R13B03. It is now also
possible configure the settings for binary GC. See the
documentation for spawn_opt/2-5, erlang:system_info/1,
erlang:system_flag/2, process_flag/2-3, erlang:trace/3, and the
documenation for erl for the new command line options +hms and
+hmbs.
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The erl (and beam) start arguments are extended with
the following options:
* +hms Size, sets the default minimum heap size
for processes.
* +hmbs Size, sets the default minimum binary virtual heap
size for processes.
The previous +h Size argument can still be used for backward
compatibility purposes.
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The eval call in these scripts was failing for me because the path to
them on my windows machine contained spaces. I also fixed some
copy/paste-os from when (evidently) the mc.sh script was created by
copying the rc.sh script and modifying it.
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* mh/to_erl-error-messages:
to_erl: Include strerror(errno) in error messages
OTP-8325 to_erl will now include the system error string in error messages
to make it easier to understand what the real problem is. (Thanks
to Magnus Henoch.)
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to_erl likes to print the message "No running Erlang on pipe ...",
no matter what the problem actually was. The wording might make
you forget that you just need to run to_erl as another user,
for example.
With this change, to_erl will print the system error message
in addition to its own.
Example output:
No running Erlang on pipe pipes/erlang.pipe.5: Permission denied
(wrong user, wrong permissions, etc)
No running Erlang on pipe pipes/erlang.pipe.5: No such device or address
(this actually means "no running Erlang")
No running Erlang on pipe pipes/erlang.pipe: No such file or directory
(not only is there no running Erlang, there are also no pipes at all)
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The wx application will only work in the SMP emulator,
so the -wx option for 'dialyzer' must force the -smp
option when starting the emulator.
Make sure that -wx in *any* position on the command
line (not only as the first argument) forces the
SMP emulator.
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