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That is, driver added with config option --enable-static-drivers.
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harmless until we bump major version
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Dynamic NIF libs and those added with config option
--enable-static-nifs are considered as taints.
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to return pointer to ErtsStaticNifEntry.
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* sverker/inline-sys_memcpy:
erts: Optimize macro DMC_PUSH
erts: Make sys_memcpy and friends inline functions
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to call a common static function dmc_stack_grow()
and reduce the code bloat.
and did a combined DMC_PUSH2
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to avoid argument-evaluated-twice bugs
like in macro DMC_PUSH.
Had to shuffle around some #include and #define
to make erl_child_setup build debug target.
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* john/erts/fix-set-owner-group/ERL-589:
Fix file:change_group/change_owner
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It wasn't possible to change group/owner separately, and our test
suite lacked coverage for that.
ERL-589
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make erlang:process_info/1 not retrieve messages
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Remove low memory need for HiPE on x86_64
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* rickard/dirty-work-gone/OTP-14978:
Reschedule on ordinary scheduler if dirty work is gone
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* rickard/pre-alloc-alignment/OTP-14977:
Force 64-bit alignment for pre-allocators unless x86
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* rickard/remove-approx-started/OTP-14975:
Remove process start time for crash dumps
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* sverker/dict-put-immed-opt:
erts: Optimize erlang:put/2 for hash collision lists
erts: Optimize erlang:put/2 for immed values
erts: Refactor erlang:put/2
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* john/erts/tuple-arityval-fixes/OTP-14963/ERL-577:
Make doc entry for maximum tuple size reflect reality
Assert that sz <= MAX_ARITYVAL in make_arityval(sz)
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* john/erts/assert-on-memcpy-memset-etc:
Always use sys_memcpy/cmp/etc instead of plain memcpy/cmp/etc
Check the arguments to sys_memcpy and friends
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process_info/1 retrieves a number of properties related to a process,
including the list of messages in its mailbox. This is potentially
unsafe if the target process has a large number of queued messages:
- there is no a priori upper bound on the amount of memory being
allocated to hold that list, and
- the loop to retrieve the messages is uninterruptible, so the
Erlang scheduler where this executes blocks for the duration
We've seen process_info/1 bring down heavily loaded nodes on more
than one occasion. At least once it appeared to have blocked the
Erlang heart process from executing, causing the external heart to
kill the VM.
Consequently this removes 'messages' from the list of process_info
tags to retrieve for process_info/1. Note that process_info/1 still
retrieves 'message_queue_len', and process_info/2 can still retrieve
'messages' when asked to.
A few places in the OTP libraries need minor adjustments, since they
want 'message_queue_len' but compute it from the length of the list
of messages.
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Passing NULL is undefined behavior and unconditionally executing these
may result in the compiler optimizing away a later NULL check. It can
often work since the pointer isn't touched when the length is 0, but
it's a major footgun. See ERL-573.
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Bug introduced in commit fbb10ebc4a37555c7ea7f99e14286d862993976a
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* lukas/erts/erl_child_setup_ignore_SIGTERM/OTP-14943:
erts: Ignore SIGTERM in erl_child_setup
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Instead of rebuilding all cons cells before key,
just unlink key cell from list with a destructive heap write op.
This is safe as these lists never leak out and any new-to-old-heap-refs
are preserved.
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No longer need for super carrier allocating executable memory.
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* john/erts/efile_SUITE-iter-max-files-stability:
Make efile_SUITE:iter_max_files more stable
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Just to simplify and get 4 distinctive states
IDLE, PENDING, CONNECTED and EXITING.
The old possible flag combos were:
0
PENDING
CONNECTED
CONNECTED|EXITING
EXITING
The two EXITING states did not serve any purpose
other then as a slight optimization in monitor_node(_,false,_)
to shortcut EXITING when there can be no monitors.
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to only transcode if output buffer actually contains
unsupported BIT_BINARY_EXT or EXPORT_EXT.
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to replace DFLAGS_STRICT_ORDER_DELIVERY
and remove that compile time dependency.
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for kernel to ask erts about distribution flags
and keep this info in one place.
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This is a fix for a bug introduced in 22cde2bda
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* john/erts/allow-opening-device-files/OTP-11462:
Allow opening device files and FIFOs with file:open/2
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* john/erts/binary-bin_to_list-performance-fix/OTP-14741:
Replace binary:bin_to_list CIF implementation with binary_to_list
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* sverker/erts/more-crash-dump-info/OTP-14820:
erts,observer: Add port-suspended pids to crash dump
erts,observer: Add port states and flags to crash dump
erts,observer: Add dirty schedulers to crash dump
observer: Refactor get_schedulerinfo1
erts,observer: Add more port info to crash dump
erts: Cleanup dump_process_info()
erts: Include failing garbing process in crash dump
erts: Remove unused args to collect_live_heap_frags
erts: Add binary vheap sizes to crash dump
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Conflicts:
erts/emulator/beam/erl_trace.c
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* lukas/erts/dirty_trace_clean_fix/OTP-14938:
erts: Delay cleanup of removed tracer on dirty scheds
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binary:bin_to_list had a poor implementation that resulted in
excessive garbage collection. binary_to_list is almost identical and
has a generally better implementation, so I've replaced
binary:bin_to_list's CIF with a thin wrapper around binary_to_list.
Granted, binary_to_list has a deprecated indexing scheme, but we're
unlikely to ever remote it entirely and it's somewhat easy to move
it to the 'binary' module later on.
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