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* lukas/erts/enif_trace_functions/OTP-13442:
erts: Fix bug in enif_send
erts: Fix windows nif port tests
erts: Fix bug in enif_term_to_binary
erts: Remove printout when dec_term fails in DEBUG
erts: Polish erl_nif docs
erts: Improve enif_binary_to_term
erts: Add enif_port_command
erts: Add enif_term_to_binary and enif_binary_to_term
erts: Add enif_is_process/port_alive
erts: Add enif_cpu/now_time and enif_make_unique_integer
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Let cache_env() set env->heap_frag to same as MBUF(p)
as it is in any other case.
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Wait until after dec_term and factory_close to do cache_env(),
otherwise we will cache the wrong state.
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* Accept a raw data buffer instead of ErlNifBinary
* Accept option ERL_NIF_BIN2TERM_SAFE
* Return number of read bytes
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This is mostly a pure refactoring.
Except for the buggy cases when calling erlang:halt() with a positive
integer in the range -(INT_MIN+2) to -INT_MIN that got confused with
ERTS_ABORT_EXIT, ERTS_DUMP_EXIT and ERTS_INTR_EXIT.
Outcome OLD erl_exit(n, ) NEW erts_exit(n, )
------- ------------------- -------------------------------------------
exit(Status) n = -Status <= 0 n = Status >= 0
crashdump+abort n > 0, ignore n n = ERTS_ERROR_EXIT < 0
The outcome of the old ERTS_ABORT_EXIT, ERTS_INTR_EXIT and
ERTS_DUMP_EXIT are the same as before (even though their values have
changed).
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* sverk/fix-list-length-int/OTP-13288:
erts: Fix error cases in enif_get_list_length
erts: Use Sint instead of int for list lengths
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* rickard/ds-fixes:
Fix unique_SUITE for dirty schedulers
Add dirty scheduler process termination test
Ensure that work is done on the correct type of schedulers
Conflicts:
erts/emulator/beam/erl_process.c
erts/emulator/beam/erl_process.h
erts/emulator/beam/erl_process_dump.c
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Only the actual call to the dirty nif is allowed to execute on
dirty schedulers. The dirty nif is not allowed to execute on
normal schedulers if dirty schedulers are available.
Arrival of exit signals and system tasks, while a process was
scheduled for execution on a dirty scheduler, could mess up the
process internal state.
Preparation for dirty system task has been made, but is currently
unused.
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false if improper list
false if length > UINT_MAX
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* maint:
Introduce time management in native APIs
Introduce time warp safe replacement for safe_fixed option
Introduce time warp safe trace timestamp formats
Conflicts:
erts/emulator/beam/erl_bif_trace.c
erts/emulator/beam/erl_driver.h
erts/emulator/beam/erl_nif.h
erts/emulator/beam/erl_trace.c
erts/preloaded/ebin/erlang.beam
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to read OS environment variables in a safe and portable way.
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* The youngest generation of the heap can now consist of multiple
blocks. Heap fragments and message fragments are added to the
youngest generation when needed without triggering a GC. After
a GC the youngest generation is contained in one single block.
* The off_heap_message_queue process flag has been added. When
enabled all message data in the queue is kept off heap. When
a message is selected from the queue, the message fragment (or
heap fragment) containing the actual message is attached to the
youngest generation. Messages stored off heap is not part of GC.
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to use a real C struct instead of array.
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* sverk/map-merge-trap:
erts: Optimize maps:merge
erts: Yield in maps:merge
erts: Refactor arg swapping for maps:merge
erts: Add save/restore for PSTACK
erts: Fix magic binary alignment on 32-bit
erts: Add maps to send_term_SUITE
erts: Fix calculation of reclaimed data during full gc
erts: Fix warning about const pointer to make_boxed and make_list
erts: Fix typo in etp-carrier-blocks
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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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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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* 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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* sverk/pr632/prevent-illegal-nif-terms/OTP-12655:
erts: Reject non-finite float terms in erl_drv_output_term
erts: Remove old docs about experimental NIF versions.
erts: Add enif_has_pending_exception
erts: Clearify erl_nif documentation about badarg exception
erts: Fix compile warning in enif_make_double
erts: Fix divide by zero compile error in nif_SUITE.c
erts: Fix isfinite for windows
Ensure NIF term creation disallows illegal values
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Add macro erts_isfinite as an OS independent way to check
if a float is finite.
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* rickard/time_api/OTP-11997: (22 commits)
Update primary bootstrap
inets: Suppress deprecated warning on erlang:now/0
inets: Cleanup of multiple copies of functions Add inets_lib with common functions used by multiple modules
inets: Update comments
Suppress deprecated warning on erlang:now/0
Use new time API and be back-compatible in inets Remove unused functions and removed redundant test
asn1 test SUITE: Eliminate use of now/0
Disable deprecated warning on erlang:now/0 in diameter_lib
Use new time API and be back-compatible in ssh
Replace all calls to now/0 in CT with new time API functions
test_server: Replace usage of erlang:now() with usage of new API
Replace usage of erlang:now() with usage of new API
Replace usage of erlang:now() with usage of new API
Replace usage of erlang:now() with usage of new API
Replace usage of erlang:now() with usage of new API
otp_SUITE: Warn for calls to erlang:now/0
Replace usage of erlang:now() with usage of new API
Multiple timer wheels
Erlang based BIF timer implementation for scalability
Implement ethread events with timeout
...
Conflicts:
bootstrap/bin/start.boot
bootstrap/bin/start_clean.boot
bootstrap/lib/compiler/ebin/beam_asm.beam
bootstrap/lib/compiler/ebin/compile.beam
bootstrap/lib/kernel/ebin/auth.beam
bootstrap/lib/kernel/ebin/dist_util.beam
bootstrap/lib/kernel/ebin/global.beam
bootstrap/lib/kernel/ebin/hipe_unified_loader.beam
bootstrap/lib/kernel/ebin/inet_db.beam
bootstrap/lib/kernel/ebin/inet_dns.beam
bootstrap/lib/kernel/ebin/inet_res.beam
bootstrap/lib/kernel/ebin/os.beam
bootstrap/lib/kernel/ebin/pg2.beam
bootstrap/lib/stdlib/ebin/dets.beam
bootstrap/lib/stdlib/ebin/dets_utils.beam
bootstrap/lib/stdlib/ebin/erl_tar.beam
bootstrap/lib/stdlib/ebin/escript.beam
bootstrap/lib/stdlib/ebin/file_sorter.beam
bootstrap/lib/stdlib/ebin/otp_internal.beam
bootstrap/lib/stdlib/ebin/qlc.beam
bootstrap/lib/stdlib/ebin/random.beam
bootstrap/lib/stdlib/ebin/supervisor.beam
bootstrap/lib/stdlib/ebin/timer.beam
erts/aclocal.m4
erts/emulator/beam/bif.c
erts/emulator/beam/erl_bif_info.c
erts/emulator/beam/erl_db_hash.c
erts/emulator/beam/erl_init.c
erts/emulator/beam/erl_process.h
erts/emulator/beam/erl_thr_progress.c
erts/emulator/beam/utils.c
erts/emulator/sys/unix/sys.c
erts/preloaded/ebin/erlang.beam
erts/preloaded/ebin/erts_internal.beam
erts/preloaded/ebin/init.beam
erts/preloaded/src/erts_internal.erl
lib/common_test/test/ct_hooks_SUITE_data/cth/tests/empty_cth.erl
lib/diameter/src/base/diameter_lib.erl
lib/kernel/src/os.erl
lib/ssh/test/ssh_basic_SUITE.erl
system/doc/efficiency_guide/advanced.xml
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The old time API is based on erlang:now/0. The major issue with
erlang:now/0 is that it was intended to be used for so many
unrelated things. This tied these unrelated operations together
and unnecessarily caused performance, scalability as well as
accuracy, and precision issues for operations that do not need
to have such issues. The new API spreads different functionality
over multiple functions in order to improve on this.
The new API consists of a number of new BIFs:
- erlang:convert_time_unit/3
- erlang:monotonic_time/0
- erlang:monotonic_time/1
- erlang:system_time/0
- erlang:system_time/1
- erlang:time_offset/0
- erlang:time_offset/1
- erlang:timestamp/0
- erlang:unique_integer/0
- erlang:unique_integer/1
- os:system_time/0
- os:system_time/1
and a number of extensions of existing BIFs:
- erlang:monitor(time_offset, clock_service)
- erlang:system_flag(time_offset, finalize)
- erlang:system_info(os_monotonic_time_source)
- erlang:system_info(time_offset)
- erlang:system_info(time_warp_mode)
- erlang:system_info(time_correction)
- erlang:system_info(start_time)
See the "Time and Time Correction in Erlang" chapter of the
ERTS User's Guide for more information.
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Add a check to enif_make_double to see if its double argument is
infinity or NaN, returning a badarg exception if it is. Change the
erl_nif documentation to specify that enif_make_double returns a
badarg exception if its double argument is either infinity or NaN. Add
tests to nif_SUITE for this change.
Add checks to the enif_make* functions for atoms to prevent the
creation of atoms whose name lengths are greater than the allowed
maximum atom length. The enif_make_atom and enif_make_atom_len
functions now return a badarg exception if the input string is too
long. The enif_make_existing_atom and enif_make_existing_atom_len
functions return false if the input string is too long. Change the
erl_nif documentation to reflect the changes to these functions. Add
tests to nif_SUITE for these changes.
Add a field to ErlNifEnv to track that a NIF has raised an exception
via enif_make_badarg. If a NIF calls enif_make_badarg but then ignores
its return value and instead tries to return a non-exception term as
its return value, the runtime still raises a badarg. This is needed to
prevent enif_make_badarg values resulting from calls to
enif_make_double, enif_make_atom, or enif_make_atom_len from being
erroneously stored within other terms and returned from a NIF. Calling
enif_make_badarg but not returning its return value has been
documented as being illegal ever since enif_make_badarg was added, but
the runtime has not enforced it until now. Add tests for regular and
dirty NIFs to ensure that calls to enif_make_badarg result in badarg
exceptions even if a NIF fails to return the result of
enif_make_badarg as its return value. Add documentation to
enif_make_badarg to specify that calling it raises a badarg even if a
NIF ignores its return value.
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flatmap: Small map
hashmap: Large map
map: flatmap or hashmap
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Ensure that the return value from a dirty NIF call is made part of the GC
rootset. Add a new regression test to nif_SUITE.
Thanks to Daniel Goertzen for reporting the error and providing a test
case, and to Sverker Eriksson for making test case reproducible and finding
the fix.
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* egil/nox/maps-match_specs/OTP-12270:
erts: Fix return value from erts_maps_get to be const
Properly support maps in match_specs
Support maps in ms_transform
Return pointer to value in erts_maps_get()
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From "warning: assignment discards qualifiers from pointer target type"
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* sverk/bin-alloc-refactor:
erts: Fix gdb command etp-carrier-blocks for 32-bit
erts: Refactor binary allocation interface to also initialize Binary
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and add 'dirty_scheduler_support' to ErlNifSysInfo
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OTP-12128
* vinoski/enif-schedule-nif:
Fix leak of NIF exports
Use separate allocation type for NIF export
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