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Introduce new attributes argtag and since to the name element. The since attribute is also added to the module element.
This allows to specify in which OTP release a specific function was introduced
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* ingela/public-key/more-sha2:
public_key: Add additional ASN-1 definitions for DSA SHA2 support
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* sverker/erts/ordered_set-select-improvements/OTP-15325:
erts: Tidy some ordered_set iteration code
erts: Fix bug for catree iteration
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with variable name changes, some comments
and moved catree_find_prev_from_pb_key_root after its twin.
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with keys containing off-heap terms.
The passed key may actually be the one already saved
(if nodes have been joined), in which case we do nothing.
Calling destroy_route_key() may destroy off-heap data.
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* peterdmv/ssl/fix-logging/OTP-15372:
ssl: Fix logging in new sender process
Change-Id: I9e9bfc906dfefb846fe45f80b11d138c415fb61e
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Change-Id: I2beb99aab1920d866dcdc91f67fc306fc16e9496
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* maint:
Implement a tab for persistent terms in crashdump viewer
Add tests of persistent terms for crashdump_viewer
Add a persistent term storage
Refactor releasing of literals
Extend the sharing-preserving routines to optionally copy literals
Conflicts:
erts/emulator/Makefile.in
erts/emulator/beam/erl_process_dump.c
erts/preloaded/ebin/erts_internal.beam
erts/preloaded/ebin/init.beam
lib/sasl/src/systools_make.erl
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* bjorn/erts/persistent_terms/OTP-14669:
Implement a tab for persistent terms in crashdump viewer
Add tests of persistent terms for crashdump_viewer
Add a persistent term storage
Refactor releasing of literals
Extend the sharing-preserving routines to optionally copy literals
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Co-authored-by: Siri Hansen <siri@erlang.org>
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Persistent terms are useful for storing Erlang terms that are never
or infrequently updated. They have the following advantages:
* Constant time access. A persistent term is not copied when it is
looked up. The constant factor is lower than for ETS, and no locks
are taken when looking up a term.
* Persistent terms are not copied in garbage collections.
* There is only ever one copy of a persistent term (until it is
deleted). That makes them useful for storing configuration data
that needs to be easily accessible by all processes.
Persistent terms have the following drawbacks:
* Updates are expensive. The hash table holding the keys for the
persistent terms are updated whenever a persistent term is added,
updated or deleted.
* Updating or deleting a persistent term triggers a "global GC", which
will schedule a heap scan of all processes to search the heap of all
processes for the deleted term. If a process still holds a reference
to the deleted term, the process will be garbage collected and the
term copied to the heap of the process. This global GC can make the
system less responsive for some time.
Three BIFs (implemented in C in the emulator) is the entire
interface to the persistent term functionality:
* put(Key, Value) to store a persistent term.
* get(Key) to look up a persistent term.
* erase(Key) to delete a persistent term.
There are also two additional BIFs to obtain information about
persistent terms:
* info() to return a map with information about persistent terms.
* get() to return a list of a {Key,Value} tuples for all persistent
terms. (The values are not copied.)
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Introudce erts_queue_release_literals() to queue a literal area to be
released.
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In the implementation of the zero-copying term storage, we
want to preserve sharing, but not copy literals because the
modules holding the literals could be unloaded under our feet.
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'ingela/ssl/controlling-process-allowed-on-transport-accept-socket' into maint
* ingela/ssl/controlling-process-allowed-on-transport-accept-socket:
ssl: controlling_process should be allowed on transpor_accept sockets along with handshake
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with handshake
Fix of commit 68d9244ae33e5eea36250c3bb9ffe046a4db5647
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* ingela/ssl/signature-check/ERL-763/OTP-15415:
ssl: Correct filter function
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* ingela/ssl/deliver-all-data-at-close/ERL-731/OTP-15412:
ssl: Extend check for undelivered data at closing
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This is a timing related bug that alas is hard to test
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* ingela/ssl/bench_SUITE-clean-start:
ssl: Make sure benchmark SUITE has a clean start
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* maint:
Fix bug when beam_jump removes put_tuple instructions
Conflicts:
lib/compiler/src/beam_jump.erl
lib/compiler/test/beam_jump_SUITE.erl
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* bjorn/compiler/fix-beam_jump/ERL-759/OTP-15400:
Fix bug when beam_jump removes put_tuple instructions
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`beam_jump` could remove a `put_tuple` instruction when the
tuple would not be used, but it would leave the following
`put` instructions. Make sure they are removed.
https://bugs.erlang.org/browse/ERL-759
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Implement TLS 1.3 state machine skeleton
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- Updated message generators:
ClientHello, ServerHello and EncryptedExtensions
- Fixed encoding of the extensions 'signature_algorithms' and
'signature_algorithms_cert'
- Updated empty extension definitions
Change-Id: I9415e2d022744b9ed4667d20aee2553637ed49f8
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Change-Id: I42d7779bb3558aa3a2bea5be065c559d01c0a32b
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Change-Id: I4b382a7907247cc2099951fdefa40f1511b1123e
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Change-Id: I80bc21b2dee82f4d5641fa8443882838f7c602ba
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beam_except: Generalize translation to func_info instructions
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The `beam_except` pass replaces some calls to `erlang:error/1` or
`erlang:error/2` with specialized instructions in order to reduce the
size of the BEAM code.
In functions that do binary matching, `beam_except` would fail to
translate the instructions that generate a `function_clause`
exception. Here is an example:
bsum(<<H:16,T/binary>>, Acc) ->
bsum(T, Acc+H);
bsum(<<>>, Acc) ->
Acc.
The BEAM code that generates the `function_clause` exception looks
like this:
{label,4}.
{test_heap,2,3}.
{put_list,{x,1},nil,{x,1}}.
%% The following two instructions prevents the translation.
{bs_set_position,{x,2},{x,0}}.
{bs_get_tail,{x,2},{x,0},3}.
{test_heap,2,2}.
{put_list,{x,0},{x,1},{x,1}}.
{move,{atom,function_clause},{x,0}}.
{line,...}.
{call_ext,2,{extfunc,erlang,error,2}}.
Make the translation of `function_clause` exceptions smarter, so
that the following code will be produced:
{label,4}.
{bs_set_position,{x,2},{x,0}}.
{bs_get_tail,{x,2},{x,0},3}.
{jump,{f,1}}. %Jump to `func_info` instruction.
(This issue was noticed when looking at the code generated by
https://github.com/tomas-abrahamsson/gpb.)
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* maint:
Optimize operator '--' and yield on large inputs
Inline erts_cmp
Clarify a magical allocation size
Fix trapping in lists:reverse/2
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* john/erts/minusminus_trapping/OTP-15371:
Optimize operator '--' and yield on large inputs
Inline erts_cmp
Clarify a magical allocation size
Fix trapping in lists:reverse/2
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The removal set now uses a red-black tree instead of an array on
large inputs, decreasing runtime complexity from `n*n` to
`n*log(n)`. It will also exit early when there are no more items
left in the removal set, drastically improving performance and
memory use when the items to be removed are present near the head
of the list.
This got a lot more complicated than before as the overhead of
always using a red-black tree was unacceptable when either of the
inputs were small, but this compromise has okay-to-decent
performance regardless of input size.
Co-authored-by: Dmytro Lytovchenko <dmytro.lytovchenko@erlang-solutions.com>
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This greatly increases the performance of '--'/2 which does a lot
of term comparisons.
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The first stage wasn't bounded by reductions, and it bumped far
more reductions than it should have due to a logic bug.
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* ingela/ssl/transport-accept-socket/ERL-756/OTP-15384:
ssl: Return error to user that tries to use a "transport accepted" socket for other purposes than handshaking
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other purposes than handshaking
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* sverker/enif-cancel-select/OTP-15095:
erts: Bump erl_nif minor version and ERL_NIF_MIN_ERTS_VERSION
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with ticket syntax.
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