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Since no bug fixes are done anymore on the 2.8 branch it is time
to switch the preferred version to 3.0 branch.
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* rickard/gcc-atomics/OTP-12383:
Improve ethread atomics based on GCC builtins
Conflicts:
erts/aclocal.m4
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* Use of __atomic builtins when available.
* Improved configure test that checks for missing memory
barrier in __sync_synchronize(). The old approach was to
verify known working gcc versions and check gcc version at
compile time. Besides not being very safe, the old approach
often unnecessarily caused usage of the very expensive
workaround.
* Introduced (no overhead) workaround for missing clobber in
__sync_synchronize() when using buggy LLVM implementation of
__sync_synchronize().
* Implement native memory barriers for ARM processors supporting
the DMB instruction.
* Use of volatile store on Alpha as atomic set operation if no
__atomic_store_n() is available (already used on x86/x86_64
Sparc V9, PowerPC, and MIPS). Fallback used when not using
volatile store is typically very expensive.
* Use volatile load on Alpha and ARM as atomic read operation
if no __atomic_load_n() is available (already used on
x86/x86_64 Sparc V9, PowerPC, and MIPS). Fallback when not
using volatile load is typically very expensive.
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The master branch has incompatible changes by default. The safest
course for now is to use the WX_3_0_branch.
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In 9f57d8c4f86323cf7481c9a7e512486087bb5542, the configure option
--enable-shared-zlib. It was replaced with --enable-builtin-zlib.
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The build and install documentation was not complete
and needed some restructuring.
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* lukas/ose/master-17.0/OTP-11334:
ose: Fix erts assert failed printouts
ose: fix for packet_bytes in fd/spawn driver.
ose: Prepare slave for running on OSE
ose: Fix bug when hunting for signal proxy
ose: Implement tcp inet driver for OSE
ose: Add ifdefs for HAVE_UDP
ose: Yielding has to be done differently for background processes.
ose: Print faults in aio sys driver calls
ose: Prinout errno when to_erl read fails
ose: erlang display goes to ramlog printf
ose: Initiate stdin/stdout/stderr
ose: Break lmconf into one per load module
ose: Reset busy port when pdq empty
ose: Restore the owner of the signal
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Enable a cross compile Erlang/OTP platform to Android or Raspberry PI
using Android NDK. Port emulator and core application to support target
HW platform. Exclude any add-on services required for OTP platform deployment
into target hardware due to device fragmentation and jail-break requirements.
* fix erts/emulator/beam/sys.h
Disable redefinition of __noreturn macro
* port erts/emulator/sys/unix/erl_child_setup.c
Use techniques proposed by https://code.google.com/p/erlang4android to
access system properties
* fix erts/emulator/sys/unix/erl_unix_sys_ddll.c
The static linking of emulator cannot find dlerror(), dlopen() symbols
* port erts/emulator/sys/unix/sys.c
make path to shell configurable at build time
* port erts/etc/common/Makefile.in
disable librt for *-linux-androideabi
* port erts/lib_src/pthread/ethread.c
Use techniques proposed by https://code.google.com/p/erlang4android to
disable emulator crash if kernel threads are on. Replace unreliable
pthread_sigmask() by sigprocmask()
* port lib/erl_interface/src/connect/ei_connect.c
Disable call to undefined gethostid()
* port lib/erl_interface/src/connect/ei_resolve.c
Use gethostbyname_r() on Android platform
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Updating to reflect the instructions found on the mailing list.
http://erlang.org/pipermail/erlang-questions/2012-April/066184.html
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* lukas/ose/master/OTP-11334: (71 commits)
erts: Fix unix efile assert
ose: Use -O2 when building
ose: Expand OSE docs
ose: Add dummy ttsl driver
ose: Cleanup cleanup of mutex selection defines
ose: Polish mmap configure checks
ose: Add ose specific x-compile flags
ose: Updating fd_driver and spawn_driver for OSE
ose: Updating event and signal API for OSE
ose: Cleanup of mutex selection defines
win32: Compile erl_log.exe
ose: Remove uneccesary define
ose: Fix ssl configure test for osx
erts: Fix sys_msg_dispatcher assert
ose: Fix broken doc links
ose: Thread priorities configurable from lmconf
ose: Yielding the cpu is done "the OSE" way
ose: Start using ppdata for tse key
ose: Do not use spinlocks on OSE
ose: Fix support for crypto
...
Conflicts:
lib/crypto/c_src/crypto.c
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* rickard/configure-defaults/OTP-11723:
Always default to disabled floating point exceptions on Linux
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This since there exist unresolved stability issues in the implementation
for Linux.
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* rickard/doc-build/OTP-11713:
Build documentation with bootstrap system
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* rickard/otp_version/OTP-11615:
Misc adjustments of OTP version
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Enables build of documentation in source trees that has been cross built
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* vinoski/ds:
initial support for dirty schedulers and dirty NIFs
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Add initial support for dirty schedulers.
There are two types of dirty schedulers: CPU schedulers and I/O
schedulers. By default, there are as many dirty CPU schedulers as there are
normal schedulers and as many dirty CPU schedulers online as normal
schedulers online. There are 10 dirty I/O schedulers (similar to the choice
of 10 as the default for async threads).
By default, dirty schedulers are disabled and conditionally compiled
out. To enable them, you must pass --enable-dirty-schedulers to the
top-level configure script when building Erlang/OTP.
Current dirty scheduler support requires the emulator to be built with SMP
support. This restriction will be lifted in the future.
You can specify the number of dirty schedulers with the command-line
options +SDcpu (for dirty CPU schedulers) and +SDio (for dirty I/O
schedulers). The +SDcpu option is similar to the +S option in that it takes
two numbers separated by a colon: C1:C2, where C1 specifies the number of
dirty schedulers available and C2 specifies the number of dirty schedulers
online. The +SDPcpu option allows numbers of dirty CPU schedulers available
and dirty CPU schedulers online to be specified as percentages, similar to
the existing +SP option for normal schedulers. The number of dirty CPU
schedulers created and dirty CPU schedulers online may not exceed the
number of normal schedulers created and normal schedulers online,
respectively. The +SDio option takes only a single number specifying the
number of dirty I/O schedulers available and online. There is no support
yet for programmatically changing at run time the number of dirty CPU
schedulers online via erlang:system_flag/2. Also, changing the number of
normal schedulers online via erlang:system_flag(schedulers_online,
NewSchedulersOnline) should ensure that there are no more dirty CPU
schedulers than normal schedulers, but this is not yet implemented. You can
retrieve the number of dirty schedulers by passing dirty_cpu_schedulers,
dirty_cpu_schedulers_online, or dirty_io_schedulers to
erlang:system_info/1.
Currently only NIFs are able to access dirty scheduler
functionality. Neither drivers nor BIFs currently support dirty
schedulers. This restriction will be addressed in the future.
If dirty scheduler support is present in the runtime, the initial status
line Erlang prints before presenting its interactive prompt will include
the indicator "[ds:C1:C2:I]" where "ds" indicates "dirty schedulers", "C1"
indicates the number of dirty CPU schedulers available, "C2" indicates the
number of dirty CPU schedulers online, and "I" indicates the number of
dirty I/O schedulers.
Document The dirty NIF API in the erl_nif man page. The API closely follows
Rickard Green's presentation slides from his talk "Future Extensions to the
Native Interface", presented at the 2011 Erlang Factory held in the San
Francisco Bay Area. Rickard's slides are available online at
http://bit.ly/1m34UHB .
Document the new erl command-line options, the additions to
erlang:system_info/1, and also add the erlang:system_flag/2 dirty scheduler
documentation even though it's not yet implemented.
To determine whether the dirty NIF API is available, native code can check
to see whether the C preprocessor macro ERL_NIF_DIRTY_SCHEDULER_SUPPORT is
defined. To check if dirty schedulers are available at run time, native
code can call the boolean enif_have_dirty_schedulers() function, and Erlang
code can call erlang:system_info(dirty_cpu_schedulers), which raises
badarg if no dirty scheduler support is available.
Add a simple dirty NIF test to the emulator NIF suite.
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Remove confusing and obsolete build instructions for Lion.
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* maint:
erts: Add max alignment posix_memalign configure check
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* lukas/erts/openbsd-posix-memalign-fix/OTP-11371:
erts: Add max alignment posix_memalign configure check
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On some OSs posix_memalign exists, but it does not allow for alignment
greater than the current page size. So we have to do a runtime check for
alignment size and also add cross compile options.
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Added info how to generate configure file if building from git.
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* maint:
Ignore odbc cores
Cross compilation is now a supported feature
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* lukas/r16b02/docfixes:
Ignore odbc cores
Cross compilation is now a supported feature
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* maint:
Refactor and change EXTRA_APPLICATIONS to use ls
Add configure option --without-$app
Conflicts:
HOWTO/INSTALL.md
lib/Makefile
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This is used to skip the specified app when building and releasing
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Build with fallback can be enabled by passing the `configure` command
line argument `--disable-smp-require-native-atomics`
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Examples overflowing the width of PDF pages have been fixed.
The remaining warnings are due to table cells, and require more
work.
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* maint:
Configure now assumed normal doubles
Bumped version nr
bumped revision
make list_suffix/1 and list_prefix/1 handle erl_parse() cons sequences
modernized and cleaned up edoc documentation
removed obsolete @spec annotations and fixed some -spec and -type annotations
preserve line numbers when reverting representation
updated author e-mail
removed CVS keywords from source files
Revise the autoconf tests for double middle endianness.
Add test for floating-point output to float_SUITE.
Unbreak floating point on middle-endian machines.
Add support for NULL value in odbc:param_query
Conflicts:
xcomp/README.md
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