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Caused bus error on 32-bit sparc from unaligned 64-bit word in
binary_to_term trap context.
Also add _UNALIGNED_ magic macros to avoid double alignment padding
in NIF resources.
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* vinoski/enif-raise-exception/OTP-12770:
Add enif_raise_exception
Enhance enif_has_pending_exception
Fix for enif_schedule_nif and exceptions
Conflicts:
erts/doc/src/erl_nif.xml
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* sverk/nif-map-docs:
erts: Cleanup fsummary lines in erl_nif docs
erts: Fix alphabetic order in erl_nif doc
erts: Add docs for map functions in nif API
erts: Rename ErlNifMapIteratorEntry enums
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* richcarl/warnings-by-default/OTP-12781:
stdlib: Use warning channel in test qlc_SUITE:otp_6964/1
stdlib: Fix testcase for qlc_SUITE
kernel: Fix code_SUITE with respect to new logger default
Map error logger warnings to warning messages by default
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To differentiate between first/last map entry
and head/tail which is before/after first/last map entry.
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Add enif_raise_exception function to allow NIFs to raise error
exceptions holding any Erlang terms. This does not replace or
deprecate the enif_make_badarg function, though, because raising
badarg errors is so idiomatic in NIFs. Reimplement enif_make_badarg on
top of enif_raise_exception. Add new tests for enif_raise_exception
for both normal and dirty NIFs. Add documentation for
enif_raise_exception.
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Sverker Eriksson came up with the following idea: to handle a future
ability for NIFs to raise more than just badarg exceptions, modify the
recently-added enif_has_pending_exception function to take a second
argument: a pointer to ERL_NIF_TERM. If this argument is a null
pointer, ignore it. Otherwise, if the first argument, an ErlNifEnv*,
has an associated exception, set the pointed-to ERL_NIF_TERM of the
second argument to the value of the exception term. Add new tests and
documentation for this modification.
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Fix a place where part of the implementation of enif_schedule_nif was
not using the ErlNifEnv exception_thrown field when it should have
been.
Also make the result of enif_schedule_nif return false when passed to
enif_is_exception, and add an assertion for this to the nif_SUITE.c
tests.
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* jlouis/cocci-noderef-fixes:
Correct usage of sizeof() for pointer types
OTP-12771
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During code purging and check_process_code, the checking of the binary reference
embedded in the match binary state was omitted for the tracing tests. This would cause
the binary match state to reference deallocated memory.
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* vinoski/ds-timer-wheel-fix:
Avoid timer wheel work in dirty schedulers
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Also fix and document the broken +We option.
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The old code did not take take the old-heap into acount.
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Dirty schedulers are limited in the type of work they can
perform. Make sure they do not participate in any work or make any
function calls related to timer wheels.
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Given some pointer *x, calling sizeof(x) will give us
the size of the pointer (4/8 bytes) not the size fo the
underlying dereferenced structure. Use coccinelle to
search for these occurrences in the source code, and
correct them one by one. In the case of
erl_node_tables.c, the erts_snprintf() calls used a
much too small buffer.
- run_erl.c: Use the size of the signal type, not
its pointer.
- erl_node_tables.c: Use the size of the _BUFFER in
erts_snprintf() to make sure we can use the full space.
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* rickard/timer-optimization/OTP-12650:
Timer fixes, documentation, and test cases
Conflicts:
erts/emulator/beam/erl_hl_timer.c
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Previously, the emulator would generate a whole string
with values and call the error_logger passing "~s~n".
This commit changes it to a format string containing ~p
with the respective values as arguments.
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This function allows us to send format and args to the
logger which can then be formatted and customized from
Erlang land.
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* egil/fix-maps-copy-shallow:
erts: Make hashmap_get halfword safe
erts: Fix ETS db_has_variable check for large Maps
stdlib: Strengthen ETS Maps tests
erts: Fix copy shallow for large Maps
stdlib: Strengthen ETS Maps tests
erts: ETS ordered_set cannot use it's optimization with Maps
stdlib: Strengthen ETS Maps tests
stdlib: Refactor away ?line macro
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* egil/fix-maps-erts_debug-size:
erts: Fix erts_debug:size/1 for large Maps
erts: Simple test of erts_debug:size/1 of Maps
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* rickard/timer-optimization/OTP-12650:
Optimized timer implementation
Reusable red-black tree implementation
Conflicts:
erts/emulator/beam/erl_bif_timer.c
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* rickard/time-improvement/OTP-11997:
Allow execution of estone suite on pre OTP-18 systems
Add parallel time monotonicity test-case
Replace usage of erlang:now() in line-tracing
Replace erlang:now() usage in emulator suite
Replace erlang:now() usage in system suite
Misc time improvements
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* richcarl/md5-fixes:
Set module_info md5 for native modules properly
Add module_info entry for native code
Gracefully handle empty md5 field in module_info
Remove 'imports' key from spec of get_module_info()
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* egil/fix-pos-zero-opt:
erts: Don't let the compiler optimize pos. zero fix
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Use the md5 of the native code chunk instead of the Beam code md5.
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There is no need to take special care of Maps at all since header_arity(hdr)
will take care of the normal case via its Map handling.
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The optimization cannot be used due to that the pattern cannot be ordered.
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- Possibility to chose different clock sources
- Improved mach clock usage
- Improved linux clock_gettime() usage
- ...
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* sverk/hipe_match_wbin/OTP-12667:
erts: Add debug assertions for match state sanity
hipe: Add test for matching of writable binary
erts,hipe: Optimize away calls to emasculate_binary
erts,hipe: Fix bug in binary matching of writable binary
Conflicts:
erts/emulator/hipe/hipe_bif0.c
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sys_write_buf allocator type is used from async-threads and needs
to be lockable. In the SMP case the temporary allocator is lockable but
not in the Non-SMP case.
To remedy this the binary-allocator is used for the Non-SMP case,
which is lockable.
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* egil/opt-instructions/OTP-12690:
erts: Specialize minus and plus instruction
erts: Add move2 specialization for common move patterns
erts: Specialize rem instruction for common case
erts: Specialize band instruction for common case
erts: Batch loads and stores for move_window
erts: Fix loader increment from minus instruction
erts: Add move window instruction
erts: Add instruction move3 for xy and xx
erts: Specialize compare instructions
kernel: Add instruction_count helper to erts_debug
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OTP-12685
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Seen on SSL application where substraction with x registers were prevalent:
* i_minus specialization on x registers
* i_plus specialization on x registers
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Common pattern seen in SSL:
move y x | move r x -> move2
move r x | move y x -> move2
Common pattern seen in SSL and Compiler:
move x r | move x x -> move2
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* egil/opt-float-cmp:
erts: Brute force float comparisons as well
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