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* egil/maps/hamt/OTP-12585: (113 commits)
erts: Fix bug in ESTACK and WSTACK
kernel: Add spec for erts_debug:map_info/1
mnesia: Update mnesia tests to reflect new ETS hash
erts: Ensure maps uses _rel functions in halfword
erts: Do not treat errors as fatal in erl_printf_term
erts: Update preloaded erts_internal.beam
erts: Add map decomposition wrappers
erts: Ensure halfword has correct temp-heap for maps
hipe: Handle separate hashmap tag correctly
erts: Fix map bug in dec_term for 32-bit debug VM
stdlib: Update qlc tests to reflect new ETS hash
stdlib: Remove obsolete hashmap references in io_lib
erts: Enhance maps ordering tests
hipe: Fix maps sort order testcase
erts: Remove unused variable in crashdump creation
erts: Fix typo in copy_struct for halfword emulator
erts: Restrict GCC intrinsics by compiler version
erts: Fix windows bug in hashmap_info
erts: Fix typo in make_hash2 for 32-bit arch
Fix beam_load assert
...
Conflicts:
erts/emulator/beam/bif.tab
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* seriyps/zlib-inflate-bound:
Add zlib limited output buffer size functionality
Conflicts:
erts/preloaded/ebin/zlib.beam
OTP-12548
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This functionality may be useful for compressed streams with high
compression ratio (in case of gzip it may be up to x1000), when
small amount of compressed data will produce large amount of
uncompressed output. This may lead to DoS attacks, because
server easily goes out of memory.
Example of such high compression ratio stream:
```
dd if=/dev/zero of=sparse.bin bs=1MB count=100 # 100mb of zeroes
gzip sparse.bin # 95kb sparse.bin.gz
$ erl
> {ok, Compressed} = file:read_file("sparse.bin.gz"),
> 97082 = size(Compressed),
> Uncompressed = zlib:gunzip(Compressed),
> 100000000 = iolist_size(Uncompressed).
```
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rickard/master/eager-check-io/OTP-12117
* rickard/maint-17/eager-check-io/OTP-12117:
No eager check I/O on OSE
Introduce support for eager check I/O scheduling
Conflicts:
erts/preloaded/ebin/erlang.beam
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rickard/maint-17/eager-check-io/OTP-12117
* rickard/eager-check-io/OTP-12117:
Introduce support for eager check I/O scheduling
Conflicts:
erts/emulator/beam/erl_bif_info.c
erts/emulator/beam/erl_init.c
erts/emulator/beam/erl_process.c
erts/preloaded/ebin/erlang.beam
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Conflicts:
erts/preloaded/ebin/erl_prim_loader.beam
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* egil/proc_lib-optimizations/OTP-12060:
stdlib: Update dependencies to erts-6.2
erts: Update preloaded erlang.beam
stdlib: Use erlang:fun_info_mfa/1 in proc_lib:init_p/3
erts: Test erlang:fun_info_mfa/1
erts: Introduce erlang:fun_info_mfa/1
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Conflicts:
erts/preloaded/ebin/prim_inet.beam
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Conflicts:
erts/doc/src/notes.xml
erts/preloaded/ebin/prim_inet.beam
erts/vsn.mk
lib/kernel/doc/src/notes.xml
lib/kernel/vsn.mk
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Specs for erlang:fun_info_mfa/1
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* nox/filelib-wildcard-broken-link:
Update stdlib appup file
Update runtime dependencies
Update preloaded
Add tests of filelib and symlinks
Fix handling of broken symlinks in filelib
Conflicts:
erts/preloaded/ebin/erl_prim_loader.beam
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* rickard/invalid_bitstr_bifs/OTP-11942:
Remove invalid 'bitstr' exports in erlang.erl
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* rickard/binary_to_term_error/OTP-11931:
Replace erlang:binary_to_term() Erlang wrappers
Conflicts:
erts/preloaded/ebin/erts_internal.beam
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The dummy BIF exports 'erlang:bitstr_to_list/1' and 'erlang:list_to_bitstr/1'
seem to have appeared as a result of a copy-paste error and are now removed.
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Replace the 'erlang:binary_to_term/1' and 'erlang:binary_to_term/2'
Erlang wrappers taking care of failure after yield with management
of this in the hidden yield BIF.
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* egil/fix-erts_debug-size/OTP-11923:
erts: Update preloaded erts_internal.beam
erts: Add spec for erts_internal:map_to_tuple_keys/1
erts: Add testcase for erts_debug:size/1 Map terms
kernel: Fix erts_debug:size/1 to handle Map sizes
erts: Add erts_internal:map_to_tuple_keys/1
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* bjorn/erts/fix-eval/OTP-11916:
The encoding for '-eval Program' should be UTF-8
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If file:name_native_encoding() returns 'utf8', any arguments following
the -run option are assumed to be encoded in UTF-8. -eval should
treat is argument the same way.
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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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This port has support for both non-smp and smp.
It contains a new way to do io checking in which erts_poll_wait
receives the payload of the polled entity. This has implications
for all linked-in drivers.
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* egil/maps/OTP-11616: (112 commits)
compiler: Add core compile test for maps
compiler: Fix core parse for Maps
compiler: Fixup #map_pair{} spec
erts: Strengthen map_SUITE tests
erts: Update maps_fold test to respect maps:fold/3
stdlib: Make maps:fold/3 order-independent
erts: Fixup enif_make_map_put on windows
erts: Update preloaded erts_internal.beam
hipe: Fixup update cerl pretty printer
erts: Add map construction to driver API
dialyzer: Add maps tests
dialyzer: Remove dead code
dialyzer: Reflect map_pair core changes in dialyzer
hipe: Update cerl pretty printer
compiler: Update inliner tests
compiler: Squash #c_map_pair_*{} to #c_map_pair{}
compiler: Squash #k_map_pair_*{} to #k_map_pair{}
preloaded: Fixup export cmp_term in erts_internal
erts: Change 'size' argument of enif_get_map_size from int* to size_t*
erts: Fix compile error for halfword emulator
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* lukas/erts/sendfile_no_async_pool/OTP-11639:
erts/kernel: sendfile no longer uses async threads
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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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This has been done because a slow client attack is possible if the
async thread pool is used. The scenario is:
Client does a request for a file and then slowly receives the file one
byte at a time. This will eventually fill the async thread pool with blocking
sendfile operations and thus starving the vm of all file operations.
If you still want to use the async threads pool for sendfile an option to
enable it has been introduced.
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* bjorn/erts/zlib-1.2.8:
configure: Prefer the system's zlib over own our zlib source
Update preloaded modules
Add the 'rle' zstrategy
Don't make gzio.c dependent on the zutil.h header file
Update zlib to 1.2.8
erts/zlib: Remove unused file example.c
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Yielding binary_to_term.
OTP-11535
* tag 'OTP_R16B03_yielding_binary_to_term':
Increase versions for OTP_R16B03_yielding_binary_to_term
erts: Adjust term_to_binary reduction factors
erts: Yield after trapping term_to_binary if gc has been ordered
erts: Let term_to_binary disable gc while trapping
erts: Improve stress of binary_to_term in binary_SUITE
erts: Fix bug in binary_to_term for compressed on halfword
erts: Fix crash when binary_to_term throws badarg
erts: Trapping memcpy in binary_to_term
erts: Cleanup code for trapping binary_to_term
erts: Add erlang wrappers to binary_to_term
trapping uncompress
trapping size calculation
trapping binary_to_term/2
trapping STRING_EXT
trapping lists and tuples
trapping binary_to_term passing binary_SUITE
Conflicts:
erts/preloaded/ebin/erlang.beam
erts/preloaded/ebin/erts_internal.beam
erts/vsn.mk
lib/kernel/vsn.mk
lib/stdlib/vsn.mk
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* sverk/trapping-bin2term:
erts: Adjust term_to_binary reduction factors
erts: Yield after trapping term_to_binary if gc has been ordered
erts: Let term_to_binary disable gc while trapping
erts: Improve stress of binary_to_term in binary_SUITE
erts: Fix bug in binary_to_term for compressed on halfword
erts: Fix crash when binary_to_term throws badarg
erts: Trapping memcpy in binary_to_term
erts: Cleanup code for trapping binary_to_term
erts: Add erlang wrappers to binary_to_term
trapping uncompress
trapping size calculation
trapping binary_to_term/2
trapping STRING_EXT
trapping lists and tuples
trapping binary_to_term passing binary_SUITE
Parallel check_process_code when code_server purge a module
Functionality for disabling garbage collection
Use asynchronous check_process_code in code_parallel_SUITE
Execution of system tasks in context of another process
Conflicts:
erts/emulator/beam/external.c
erts/emulator/beam/sys.h
erts/emulator/test/binary_SUITE.erl
erts/preloaded/ebin/erlang.beam
erts/preloaded/ebin/erts_internal.beam
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