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Correct spelling errors in the run_daemon() comments which describe
the redirection of stdin, stdout, and stderr to /dev/null for safety
reasons.
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* sverk/dirty-sched-api-cleanup:
erts: Remove enif_have_dirty_schedulers()
erts: Correct dirty scheduler NIF API for Windows
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and add 'dirty_scheduler_support' to ErlNifSysInfo
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Conflicts:
erts/preloaded/ebin/erl_prim_loader.beam
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* lrascao/fix_bug_windows_directory_symlinks:
fix indentation, add comment describing windows symlink creation assumption
fix escript archive symlinked across drives
OTP-12155
OTP-12154
OTP-12153
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enif_schedule_nif() put LAST of the unconditional functions to keep the
order which is vital for ABI compatibility on Windows.
The conditional dirty scheduler stuff moved down at the end of the list
to keep them out of the way. We don't want them mess things up then they
become unconditional some day.
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* maint:
Fix some spelling misstakes
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* lukas/docfixes-17.3/OTP-12152:
Fix some spelling misstakes
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* egil/erlang-get_keys/OTP-12151:
Update preloaded erlang.beam
erts: Document erlang:get_keys/0
stdlib: Auto-import erlang:get_keys/0
erts: Add spec for erlang:get_keys/0
kernel: Test BIF erlang:get_keys/0
erts: Add BIF erlang:get_keys/0
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* maint:
Only run upper boundry tuple test with lots of memory
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* rickard/memory_consuming_tuple_tests:
Only run upper boundry tuple test with lots of memory
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* maint:
Fix leak of NIF exports
Use separate allocation type for NIF export
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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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* sverk/term_to_binary-realloc-size/OTP-12141:
erts: Fix bug in term_to_binary that reallocates binary with wrong size
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* sverk/MIN_SMALL-to-integer:
erts: Correct conversion of MIN_SMALL numeral to fixnum
OTP-12140
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list_to_integer and binary_to_integer returned un-normalized bignum for
-134217728 on 32-bit and -576460752303423488 on 64-bit.
Thanks to Jesper Louis Andersen, Mikael Pettersson
and Anthony Ramine for report, initial patch and optimization suggestion.
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* sverk/nif-inspect-copy-bug/OTP-9828:
erts: Fix bug with enif_make_copy reallocating writable binary
Conflicts:
erts/emulator/test/nif_SUITE.erl
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* egil/fix-llvm-cc-warnings/OTP-12138:
odbc: Suppress signedness warnings for 'char *'
ic: Suppress unused-value warning
erts: Fix tentative-definition-incomplete-type
erts: Don't redefine '_XOPEN_SOURCE'
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that could invalidate a pointer received from an earlier
call to enif_inspect_binary.
Solution: Emasculate writable binary at enif_inspect_binary. There are
room for optimizations here as we now do an unconditional emasculation
even though enif_make_copy is not called later in the NIF.
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* maint:
Fix busy_port_SUITE:io_to_busy test-case
Ensure "runnable port" trace messages are not sent out of order
Ensure "runnable proc" trace messages are not sent out of order
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* rickard/runnable-trace-ooo-bug/OTP-12105:
Fix busy_port_SUITE:io_to_busy test-case
Ensure "runnable port" trace messages are not sent out of order
Ensure "runnable proc" trace messages are not sent out of order
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* maint:
Verify run-queue asserts
Fix emigrate bug in erts_port_task_schedule()
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* rickard/port-emigrate-bug/maint/OTP-12084:
Verify run-queue asserts
Fix emigrate bug in erts_port_task_schedule()
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* maint:
add enif_schedule_nif() to NIF API
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* vinoski/enif-schedule-nif:
add enif_schedule_nif() to NIF API
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In the #erlang IRC channel Anthony Ramine once mentioned the idea of
allowing a NIF to use an emulator trap, similar to a BIF trap, to schedule
another NIF for execution. This is exactly how dirty NIFs were implemented
for Erlang/OTP 17.0, so this commit refactors and generalizes that dirty
NIF code to support a new enif_schedule_nif() API function.
The enif_schedule_nif() function allows a long-running NIF to be broken
into separate NIF invocations. The NIF first executes part of the
long-running task, then calls enif_schedule_nif() to schedule a NIF for
later execution to continue the task. Any number of NIFs can be scheduled
in this manner, one after another. Since the emulator regains control
between invocations, this helps avoid problems caused by native code tying
up scheduler threads for too long.
The enif_schedule_nif() function also replaces the original experimental
dirty NIF API. The function takes a flags parameter that a caller can use
to indicate the NIF should be scheduled onto either a dirty CPU scheduler
thread, a dirty I/O scheduler thread, or scheduled as a regular NIF on a
regular scheduler thread. With this change, the original experimental
enif_schedule_dirty_nif(), enif_schedule_dirty_nif_finalizer() and
enif_dirty_nif_finalizer() API functions are no longer needed and have been
removed. Explicit scheduling of a dirty NIF finalization function is no
longer necessary; if an application wants similar functionality, it can
have a dirty NIF just invoke enif_schedule_nif() to schedule a non-dirty
NIF to complete its task.
Lift the restriction that dirty NIFs can't call enif_make_badarg() to raise
an exception. This was a problem with the original dirty NIF API because it
forced developers to get and check all incoming arguments in a regular NIF,
and then schedule the dirty NIF which then had to get all the arguments
again. Now, the argument checking can be done in the dirty NIF and it can
call enif_make_badarg() itself to flag incorrect arguments.
Extend the ErlNifFunc struct with a new flags field that allows NIFs to be
declared as dirty. The default value for this field is 0, indicating a
regular NIF, so it's backwards compatible with all existing statically
initialized ErlNifFunc struct instances, and so such instances require no
code changes. Defining the flags field with a value of
ERL_NIF_DIRTY_JOB_CPU_BOUND indicates that the NIF should execute on a
dirty CPU scheduler thread, or defining it with a value of
ERL_NIF_DIRTY_JOB_IO_BOUND indicates that the NIF should execute on a dirty
I/O scheduler thread. Any other flags field value causes a NIF library
loading error.
Extend the ErlNifEntry struct with a new options field that indicates
whether a NIF library was built with support for optional features such as
dirty NIFs. When a NIF library is loaded, the runtime checks the options
field to ensure compatibility. If a NIF library built with dirty NIF
support is loaded into a runtime that does not support dirty NIFs, and the
library defines one or more ErlNifFunc entries with non-zero flags fields
indicating dirty NIFs, a NIF library loading error results. There is no
error if a NIF library built with dirty NIF support is loaded into a
runtime that does not support dirty NIFs but the library does not have any
dirty NIFs. It is also not an error if a library without dirty NIF support
is loaded into a runtime built with dirty NIF support.
Add documentation and tests for enif_schedule_nif().
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* tuncer/misspelled-another:
Fix misspellings of 'another'
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Returns a list of all keys in the process dictionary.
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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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