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to actually pass the copy to lock checker.
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Once an iteration key has been found, never fall back to first/last key in
next/prev tree as trees may split or join under our feet. I.e we must always
use previous key when searching for the next key.
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to not have to backtrack up on the stack.
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with ets_force_split
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to easier generate a routing tree for test
without having to spend cpu to provoke actual repeated lock conflicts.
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{RouteNodes, BaseNodes, MaxRouteTreeDepth}
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Before this change, it was always the aux thread that was woken
to handle thread progress events scheduled to happen when all
schedulers were going to sleep. This was ok in the pre-OTP-21
implementation when the aux thread just slept on a tse. Now that
it sleeps in the fallback pollset this uses too much cpu so
instead we wake the thread that is doing the request if it is
a managed thread, or else we wake scheduler 1.
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The poll thread does a lot of waking up and then going
back to sleep. A large part of the waking up is managing
thread progress and a large part of that was using thread
specific data to get the thread progress data pointer.
With this refactor the tpd is passed to each of the functions
which greatly decreases the number of ethr_get_tsd calls
which in turn halves the CPU usage of the poller thread in
certain scenarios.
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Now that the compiler has a `diffable` option, use it for a slight
speed up.
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Add the `diffable` option to produce a more diff-friendly output in
a .S file. In a diffable .S file, label numbers starts from 1 in each
function and local function calls use function names instead of labels.
scripts/diffable produces diff-friendly files but only for a hard-coded
sub set of files in OTP. Having the option directly in the compiler
makes is easier to diff the BEAM code for arbitrary source modules.
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* ingela/ssl/use-correct-len-aead:
ssl: Correct length to be used in additional data in CHACHA20_POLY1305 cipher
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Add test cases for tcp local socket close for the accept function.
OTP-14831
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* maint:
Update version info for internal patch merge scripts
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Add test cases for udp local socket close for UDP recvfrom and
recvmsg.
OTP-14831
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When calling the recvfrom function when there is no data,
we should be made wait (for the specified amount of time).
But this did not work because the "current reader" structure
was not initiated.
OTP-14831
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Conflicts:
erts/preloaded/ebin/prim_inet.beam
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* raimo/tcp-close-while-send/maint/ERL-561/OTP-12242:
Write test case
Fix hanging gen_tcp send vs close race
Conflicts:
erts/preloaded/ebin/prim_inet.beam
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* ingela/ssl/aead-refactor:
ssl: Refactor AEAD ciphers
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Literal maps with complex keys such as:
#{"one"=>1,"two"=>2,"three"=>3,"four"=>4}.
would produce a crash dump that `crashdump_viewer` was unable
to read.
https://bugs.erlang.org/browse/ERL-722
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The `beam_jump` pass could eliminate `move` instructions when it was
not safe to do so. See the new test case `unsafe_move_elimination/1`
for an example.
Reported-by: Michał Muskała
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* maint:
Add version info for internal patch merge scripts
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Brute force solution will always iterate tree from slot 0 and forward.
ToDo1: Yield.
ToDo2: Maybe optimize by caching AVL tree size in each base node.
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DbTableCATree has no static stack.
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Move lookup from analyze_pattern to callers.
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The receive response local close tcp cases was extended
wityh two more handler (readers).
OTP-14831
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TLS-1.3 needs to handle AEAD inputs diffrently than previous versions.
Refactor code to facilitate TLS-1.3 additions.
Change CHACHA20_POLY1305 NONCE to match RFC 7905. This will be
important later when we fix interop with TLS compatible crypto
invocation.
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While a gen_tcp send was in progress with filled buffers
and slow receiver a close (from another process) would place
the port in a half dead state so the port could not signal
back to send, that waited for confirmation.
The solution is to after some time (5 s) of waiting for
send confirmation set a monitor on the port, which detects
if the port becomes half dead due to close from another process.
The close pending loop has also been improved to use the linger
timeout for waiting, and to set a system timeout (arbitrarily
selected 3 min) to not wait forever when the other end
reads data s l o w l y (tarpitting, kind of).
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into bmk/20180918/nififying_inet/OTP-14831
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Add name to evaluator printouts. Also added timetraps to all test-
cases to shorten the time to wait in case a test case fails.
OTP-14831
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* maint:
Updated OTP version
Prepare release
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* maint-19:
Updated OTP version
Prepare release
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The type `beam()` in the `beam_lib` module is confusing:
-type beam() :: module() | file:filename() | binary().
It says that the module name can be used to identify the BEAM module
to be accessed, but passing in the module name only works if the BEAM
file is located in the current working directory because the module
is not searched for in the code path.
The reason that it is allowed to pass in the module name as an atom is
for backward compatibility. A long time ago, atoms instead of strings
were used as filenames. For that reason, `filename` and `file` still
accept atoms as filenames (although the practice is frown
upon). `beam_lib` accepts an atom as the filename for the same reason.
To remove the confusion, remove `module()` from the type and the
mention of it in the documentation. Code that uses an atom as a
filename will still work, but Dialyzer will issue a warning.
https://bugs.erlang.org/browse/ERL-696
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