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The file module communicates with a file io server with the following
protocol for file operations:
> {file_request,From,ReplyAs,Request}
< {file_reply,ReplyAs,Reply}
The ReplyAs value is sent by the client side to match against when
receiving the reply and is otherwise left untouched and passed as is by
the server.
This commit enables receive optimizations by using the reference of the
server monitor, changing the protocol to:
> {file_request,From,MonitorRef,Request}
< {file_reply,MonitorRef,Reply}
As the shape of the messages is not changed, backwards compatibility is
not a concern.
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* sv/stdlib/sys-get-state/OTP-11013:
Removed ?line macro
add sys:get_state/1,2 and sys:replace_state/2,3
update sys:get_status/2,3 documentation for gen_event
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* fredrik/erts/to_erl_handshake/OTP-11012:
Changed handshake from to_erl to run_erl, on behalf of shell search
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* ks/erlang-spawn_opt-process_level/OTP-11008:
Fixed documentation for priority_level to spawn_opt
Consistent definition of priority levels
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In the specs and the documentation of the spawn_opt family of functions
there is the following definition of priority levels:
Level = low | normal | high
However, the process_flag/1 function in that module reads:
process_flag(Flag :: priority, Level) -> OldLevel
Types:
Level = OldLevel = priority_level()
priority_level() = low | normal | high | max
This is clearly inconsistent. Change specs to use the process_level()
type declaration instead of re-defining it in various places.
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* ia/ssl/PSK-SRP:
ssl: Use new SRP crypto API
crypto: New SRP API
CRYPTO: add algorithms/0 function that returns a list off compiled in crypto algorithms
ssl: Add option to list all available ciper suites and enhanced documentation
SSL: add documentation for PSK and SRP ciphers options
SSL: enable hash_size values for sha224, sha384 and sha512
SSL: add tests for PSK and SRP ciphers
SSL: add TLS-SRP (RFC 5054) cipher suites
CRYPTO: add support for RFC-2945 SRP-3 and RFC-5054 SRP-6a authentication
crypto: Refactor mod_exp_nif
SSL: add TLS PSK (RFC 4279 and RFC 5487) cipher suites
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Adjust API to better fit in with similar funtions in crypto
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algorithms
add algorithms/0 function that returns a list off compiled in crypto algorithms
and make tests suites with SHA226, SHA256, SHA384 and SHA512 conditional based
on that
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* nox/fix-bc-optim/OTP-11005:
Add a new option +clint0 to the compiler
Fix optimization of some binary comprehensions
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* nox/fix-snmp-gitignore/OTP-11004:
Fix SNMP gitignore files
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* ta/ct_run-unused-fun/OTP-11003:
ct_run: delete unused function
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* bh/fix-erlsrv-usage-typo/OTP-11002:
Correct typo in erlsrv usage.
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At Erlang Factory 2013 there was discussion during one of the talks about
the sys:get_status functions and how useful they were for debugging. Geoff
Cant mentioned it would be very useful if the sys module also provided
functions to use while debugging to get just the state of a process and
also to be able to replace the state of a process, and many others in the
audience appeared to agree.
The sys:get_state/1,2 functions return the state of a gen_server, gen_fsm,
or gen_event process. The return value varies depending on the process
type: process state for a gen_server, state name and state data for a
gen_fsm, and handler module, handler id, and handler state for each handler
registered in a gen_event process.
The sys:replace_state/2,3 functions allow the state of a gen_server,
gen_fsm, or gen_event process to be replaced with a new state. These
functions take a function argument that updates or replaces the process
state; using a function to change the state eliminates the race condition
of first reading the state via sys:get_state/1 or sys:get_state/2, using
its return value to create a new state, and then replacing the old state
with the new state, since during that time the process might have received
other calls or messages that could have changed its state.
* For a gen_server process, the state replacement function takes the
process state as an argument and returns a new state.
* For a gen_fsm process, the state replacement function gets a tuple of
{StateName, StateData} and returns a similar tuple that specifies a new
state name, new state data, or both.
* For a gen_event process, the state replacement function is called for
each registered event handler. It gets a tuple {Module, Id, HandlerState}
and returns a similar tuple that specifies the same Module and Id values
but may specify a different value for HandlerState.
If the state replacement function crashes or results in an error, the
original state of a gen_server or gen_fsm process is maintained; if such a
crash occurs for a gen_event process, the original state of the event
handler for which the state replacement function was called is maintained,
but the states of other event handlers of the same gen_event process may
still be updated if no errors or crashes occur while replacing their
states.
Add documentation for sys:get_state/1,2 and sys:replace_state/2,3. The
documentation explicitly notes that the functions are intended for use
during debugging.
Add new tests for these functions to gen_server_SUITE, gen_fsm_SUITE, and
gen_event_SUITE.
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* mh/emacs-package/OTP-10999:
erlang-mode: Add autoload cookies for file extension associations
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* sverk/meta-trace-leak:
erts: Fix memleak related to meta tracing
OTP-10997
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* mh/dialyzer-scan-error/OTP-10996:
Improve Dialyzer output for scan errors
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* hb/stdlib/erl_parse_abstract2/OTP-10992:
Document erl_parse:abstract/2
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Modify the documentation for the sys:get_status/2,3 functions to reflect
that they also work on gen_event processes, and add a cross reference for
gen_event:format_status/2 to go along with the existing cross references
for gen_server and gen_fsm.
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A bug has been fixed: when given the option {encoding,utf8} a list of
floating point numbers (in the correct interval) was mistakenly
returned as a string.
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* hb/stdlib/unicode_bugfix/OTP-10990:
Fix a bug in the Erlang scanner
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* sk/odbc64/OTP-10993:
explain postgres pecularity for param query out parameters
postgresql test case for 64bit bug for param_query
rollback disabling scrollable_cursors for oracle
drop procedure after testing
set scrollable_cursors to off for oracle driver
drop procedure after testing
test case for stored procedure with (32bit) integer out params on 64bit platform
odbcserver 64bit bug for SQL_C_SLONG type
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OTP-10988
* hm/reltool_relaxed_exclude:
[reltool] Add test case for missing application
[reltool] Relax requirements on excluded applications
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Some of the PSK and SRP ciphers default to sha384, this enables
hash_size for that cipher. It also adds sha512 and sha224 to be
prepared for further cipher enhancements.
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As a preparation for the new mod_exp_prime and in the quest to reduce
to use of the old mpint format.
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The scanner did not crash when a floating point number was encountered
in the input string.
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This option makes the compiler run the Core Erlang linting pass before
any optimization pass, which can crash if the given code has unbound
variables, something that is detected by core_lint.
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If a variable bound in a generator is used as the size of a segment
in the comprehension body, v3_core uses this variable in the code
generated to compute the initial size given to the `bs_init_writable`
primop before the variable is actually bound, as in:
<< <<0:S>> || S <- Slist >>
Reported-By: Peer Stritzinger
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* anders/diameter/app_not_configured/OTP-10972:
Fix faulty sequence validation
Add config suite
Deal with config errors detected at transport start less brutally
Move most transport_opt() validation into diameter_config
Minor doc/spec fix
Minor diameter_lib cleanup
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* anders/diameter/examples_suite/OTP-10903:
Compile example dictionaries against both RFC 3588 and 6733
Compile example dicts from the repo when running locally
Documentation fixes
Move example dict compilation to examples suite
Add examples suite for testing example code
Minor tweaks and fixes
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