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A lightweight stack that can be used to store any type.
PUSH and POP return pointers into stack slots.
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Conflicts:
erts/emulator/Makefile.in
erts/emulator/beam/bif.tab
erts/emulator/beam/erl_gc.c
erts/emulator/beam/erl_gc.h
erts/emulator/beam/erl_printf_term.c
erts/emulator/beam/erl_term.c
erts/emulator/beam/erl_term.h
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Conflicts:
OTP_VERSION
erts/emulator/sys/unix/sys.c
erts/vsn.mk
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Closes all open socket before writing crashdump to file.
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The intention of this callback is to close all sockets associated to
a port. It is closed only on crashdumps.
This will currently only be used for the epmd port.
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* sverk/yielding-distr-send/OTP-12232:
erts: Add constant TERM_TO_BINARY_MEMCPY_FACTOR
erts: Optimize some repeated calls to {E,W}STACK_PUSH
erts: Yield in term_to_binary when encoding big maps
erts: Remove unnecessary goto for fun encoding
erts: Yield in term_to_binary while copying large binaries
erts: Implement yielding for distributed send of large messages
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* nox/fix-perms:
Fix permissions of some files in the repository
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These files aren't supposed to be executable. For reference, the command used to
find them was:
git ls-files -z | xargs -0 -J % find % -type f -perm ++x
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- erlang:list_to_binary/1
- erlang:iolist_to_binary/1
- erlang:list_to_bitstring/1
- binary:list_to_bin/1
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Errors introduced in 172ebf11dc455e2
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* sverk/term2bin-simplify:
erts: Refactor ESTACK & WSTACK to use a struct easy to "export"
erts: Fix benign ESTACK/WSTACK typo
erts: Fix compiler warnings for NO_JUMP_TABLE
erts: Run binary_SUITE:trapping even for 32bit
erts: Extend binary_SUITE:ttb_trap to also cover binary_to_term
erts: Remove the extra_root feature from the process structure
erts: Simplify term_to_binary by removing saved ESTACK from root set
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This is not a clean refactor. It changes the behaviour slightly
of E/WSTACK_RESTORE. The allocated stack from E/WSTACK_SAVE is used
as-is and not copied into default_stack. This will hopefully fix an
illusive memory leak that valgrind is reporting.
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* rickard/garbage_collect/OTP-11388:
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:
bootstrap/lib/kernel/ebin/hipe_unified_loader.beam
erts/preloaded/ebin/erlang.beam
erts/preloaded/ebin/erts_internal.beam
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Being able to disable garbage collection over context
switches vastly simplifies implementation of yielding
native code that builds large or complex data structures
on the heap. This since the heap can be left in an
inconsistent state over the context switch.
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A process requesting a system task to be executed in the context of
another process will be notified by a message when the task has
executed. This message will be on the form:
{RequestType, RequestId, Pid, Result}.
A process requesting a system task to be executed can set priority
on the system task. The requester typically set the same priority
on the task as its own process priority, and by this avoiding
priority inversion. A request for execution of a system task is
made by calling the statically linked in NIF
erts_internal:request_system_task(Pid, Prio, Request). This is an
undocumented ERTS internal function that should remain so. It
should *only* be called from BIF implementations.
Currently defined system tasks are:
* garbage_collect
* check_process_code
Further system tasks can and will be implemented in the future.
The erlang:garbage_collect/[1,2] and erlang:check_process_code/[2,3]
BIFs are now implemented using system tasks. Both the
'garbage_collect' and the 'check_process_code' operations perform
or may perform garbage_collections. By doing these via the
system task functionality all garbage collect operations in the
system will be performed solely in the context of the process
being garbage collected. This makes it possible to later implement
functionality for disabling garbage collection of a process over
context switches.
Newly introduced BIFs:
* erlang:garbage_collect/2 - The new second argument is an option
list. Introduced option:
* {async, RequestId} - making it possible for users to issue
asynchronous garbage collect requests.
* erlang:check_process_code/3 - The new third argument is an
option list. Introduced options:
* {async, RequestId} - making it possible for users to issue
asynchronous check process code requests.
* {allow_gc, boolean()} - making it possible to issue requests
that aren't allowed to garbage collect (operation will abort
if gc should be needed).
These options have been introduced as a preparation for
parallelization of check_process_code operations when the
code_server is about to purge a module.
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OTP-11408
* sverk/load-nif-unicode:
erts: Fix bug in atom to filename conversions
Fix open_ddll for win
erts, crypto: Support NIF library with unicode filename on windows
erts: Factor out erts_convert_filename_to_wchar()
erts: Fix compiler warning
erts: Fix loading of NIF library with unicode in path
erts: Remove unused constant DRIVER_TAB_SIZE
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Conflicts:
erts/preloaded/ebin/erlang.beam
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from erts_convert_filename_to_encoding()
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None of the OTP linked-in driver are supported
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Both crypto and asn1 are supported.
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* maint:
erts: Do not enable TRACE_SILENT when testing a ms
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* egil/erts/aggregate-system-traceability/OTP-11196:
Check for native code without loading module
Fix erlang:system_info(compile_info)
Fix system_information get_beam_name/0
Add beam dynamic libraries to system_information
Add system_information testsuite
Add system information aggregate
Refactor away ?line macro in code_SUITE
Fix tests for erts app-file
Add erts app-file
erts: Add cflags, ldflags and config.h into executable
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* maint:
Fix variable ‘rp_had_locks’ set but not used warning
Fix ‘ethr_native_rwlock_destroy’ defined but not used warning
Fix 'no previous prototype' warning for dtrace functions
Conditionally skip process_SUITE tests that consume large amount of memory
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* rickard/warning_fixes:
Fix variable ‘rp_had_locks’ set but not used warning
Fix ‘ethr_native_rwlock_destroy’ defined but not used warning
Fix 'no previous prototype' warning for dtrace functions
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* maint:
Add test cases for native atomics and jump table
Refuse to build SMP runtime by default without native atomics
Make information about use of jump table available via system_info BIF
Make ethread library information available via system_info BIF
Make emulator arguments available via the system_info BIF
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erlang:system_info(beam_jump_table)
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* pan/happi/yield_in_term_to_binary:
Add testcase to stress extra_root
term_to_binary: Remove debug code and set production trap levels
Teach erl_gc:offset_rootset about extra_root
Teach external.c to handle reallocs before compression
Make all steps ofterm_to_binary work in chunks and yield
Make term_to_binary yield (trap).
OTP-11163
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* pan/r16b01/system_monitor_long_schedule/OTP-11067:
Minor spelling correction
Add system_monitor of long_schedule
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Rewrite and extend of Happi's initial work
Extra_root to process structure to enable GC of state - Changed the
process structure to point to a separate struct, the struct also
contains a destructor function to allow for proper cleanup.
Rewrote encode_size_struct and enc_term to have internal versions with
reduction counters which will result in interrupt for later restart
when the counter reaches zero - removed the EWA_STACK from Happis
version and directly save the ESTACK's and WSTACK's in the above
mentioned struct (or array thereof) that are pointed out from the
process structure. The destructor will take care of the deallocation
in case of process death.
Added ESTACK and WSTACK macros to save and restore stack and to change
allocator, which makes the previously mentioned stack-save work.
Rewrote enc_term to not store pointers on the stack, and use one WSTACK
for commands etc and another ESTACK for Eterms - Slightly different than
Happis version to make halfword code simpler.
Rewrote encode_size_struct2 so that it does not store pointers on the
stack, also switched to ESTACK instead of WSTACK, this also handles
halfword correctly.
Added interfaces for chunkwise compression, that are
used from term_to_binary/2 when the compressed option is given.
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* maint:
Fix crash when reporting stale driver select
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* rickard/stale-driver-select/OTP-11084:
Fix crash when reporting stale driver select
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Previously only 'spawn_executable' handled unicode input.
Also change 'cd' option to always handle unicode.
Update open_port documentation and tests
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