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* bjorn/compiler/fix-scope-bug/OTP-12132:
sys_core_fold: Eliminate name capture bug
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The scope is supposed to contain all variables that are currently
live. We need this information for certain optimizations to
avoid capturing a name (a name that is in the scope must be renamed;
for an example, see move_let_into_expr/2 or any function that calls
sub_subst_scope/1). We also use the scope to optimize sub_del_var/2
and sub_is_val/2.
When optimizing case expressions, the scope could be reset to an
empty list (because sub_new/0 was called instead of sub_new/1).
That could cause name capture if inlining was turned on.
As simple way to force this bug is to uncomment the
"-define(DEBUG, 1)." near the beginning of the file. Without this
correction, most files in the test suite fail to compile.
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* nox/erl_scan-fix-column-tracking:
Properly track column numbers in erl_scan
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* siri/ct-runtime-deps/OTP-12037:
[ct] Update runtime dependencies towards test_server
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Conflicts:
OTP_VERSION
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* rickard/runnable-trace-ooo-bug/OTP-12105:
Fix busy_port_SUITE:io_to_busy test-case
Ensure "runnable port" trace messages are not sent out of order
Ensure "runnable proc" trace messages are not sent out of order
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* rickard/port-emigrate-bug/maint/OTP-12084:
Verify run-queue asserts
Fix emigrate bug in erts_port_task_schedule()
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* ia/public_key/dialyzer:
public_key: Fix spec and documentation for pkix_crls_validate
public_key: Fix spec and documentation for PBES
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* dgud/mnesia/create-table-race/OTP-12124:
Avoid timing issue in schema transaction when node is stopping
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* vinoski/enif-schedule-nif:
add enif_schedule_nif() to NIF API
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In the #erlang IRC channel Anthony Ramine once mentioned the idea of
allowing a NIF to use an emulator trap, similar to a BIF trap, to schedule
another NIF for execution. This is exactly how dirty NIFs were implemented
for Erlang/OTP 17.0, so this commit refactors and generalizes that dirty
NIF code to support a new enif_schedule_nif() API function.
The enif_schedule_nif() function allows a long-running NIF to be broken
into separate NIF invocations. The NIF first executes part of the
long-running task, then calls enif_schedule_nif() to schedule a NIF for
later execution to continue the task. Any number of NIFs can be scheduled
in this manner, one after another. Since the emulator regains control
between invocations, this helps avoid problems caused by native code tying
up scheduler threads for too long.
The enif_schedule_nif() function also replaces the original experimental
dirty NIF API. The function takes a flags parameter that a caller can use
to indicate the NIF should be scheduled onto either a dirty CPU scheduler
thread, a dirty I/O scheduler thread, or scheduled as a regular NIF on a
regular scheduler thread. With this change, the original experimental
enif_schedule_dirty_nif(), enif_schedule_dirty_nif_finalizer() and
enif_dirty_nif_finalizer() API functions are no longer needed and have been
removed. Explicit scheduling of a dirty NIF finalization function is no
longer necessary; if an application wants similar functionality, it can
have a dirty NIF just invoke enif_schedule_nif() to schedule a non-dirty
NIF to complete its task.
Lift the restriction that dirty NIFs can't call enif_make_badarg() to raise
an exception. This was a problem with the original dirty NIF API because it
forced developers to get and check all incoming arguments in a regular NIF,
and then schedule the dirty NIF which then had to get all the arguments
again. Now, the argument checking can be done in the dirty NIF and it can
call enif_make_badarg() itself to flag incorrect arguments.
Extend the ErlNifFunc struct with a new flags field that allows NIFs to be
declared as dirty. The default value for this field is 0, indicating a
regular NIF, so it's backwards compatible with all existing statically
initialized ErlNifFunc struct instances, and so such instances require no
code changes. Defining the flags field with a value of
ERL_NIF_DIRTY_JOB_CPU_BOUND indicates that the NIF should execute on a
dirty CPU scheduler thread, or defining it with a value of
ERL_NIF_DIRTY_JOB_IO_BOUND indicates that the NIF should execute on a dirty
I/O scheduler thread. Any other flags field value causes a NIF library
loading error.
Extend the ErlNifEntry struct with a new options field that indicates
whether a NIF library was built with support for optional features such as
dirty NIFs. When a NIF library is loaded, the runtime checks the options
field to ensure compatibility. If a NIF library built with dirty NIF
support is loaded into a runtime that does not support dirty NIFs, and the
library defines one or more ErlNifFunc entries with non-zero flags fields
indicating dirty NIFs, a NIF library loading error results. There is no
error if a NIF library built with dirty NIF support is loaded into a
runtime that does not support dirty NIFs but the library does not have any
dirty NIFs. It is also not an error if a library without dirty NIF support
is loaded into a runtime built with dirty NIF support.
Add documentation and tests for enif_schedule_nif().
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* dgud/stdlib/format_status_terminate/OTP-11967:
stdlib: Call format_status even if terminate callback crashes
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* michaelkschmidt/ssh_bug_fix:
Test Other Clauses of start_shell
Fix SSH CLI when using custom "shell" option
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* tuncer/misspelled-another:
Fix misspellings of 'another'
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* okeuday/erts-poll-debug-print-fix:
Fix ERTS_POLL_DEBUG_PRINT usage
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By doing an abort, the create_table can be restarted
if a node go down during the transaction.
{badarg,
[{erlang,link,[undefined],[]},
{mnesia_controller,
wait_for_schema_commit_lock,0,
[{file,"mnesia_controller.erl"},
{line,303}]},
{mnesia_schema,prepare_commit,3,
[{file,"mnesia_schema.erl"},
{line,1838}]},
{mnesia_tm,commit_participant,6,
[{file,"mnesia_tm.erl"},
{line,1669}]}]}}},
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* lpgauth/fix_httpc_doc_typo:
Fix typo in documentation /header_as_is/headers_as_is/
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* ia/odbc/win-test:
odbc: Condition test case to avoid permission issues in Vista
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* kittee/maps_only:
maps:only/2 -> maps:with/2
add maps:only/2
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* ia/public_key/PBES2/OTP-11915:
public_key: Add encodeing functionality for PBES1 and PBES2
public_key: Add PBES1 decoding support
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OTP-12121
* vladdu/jinterface_fun_equals:
jinterface: fix bug in equality for OtpErlangFun
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* ia/inets/ipv6-tests:
inets: Enable ipv6 tests for httpd
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start_shell() is called by exec, so test those cases as well.
Also add support for passing a fun to exec.
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* marcus/OTP-17.2.1/mergefix:
Updated OTP version
Update release notes
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* egil/proc_lib-optimizations/OTP-12060:
stdlib: Update dependencies to erts-6.2
erts: Update preloaded erlang.beam
stdlib: Use erlang:fun_info_mfa/1 in proc_lib:init_p/3
erts: Test erlang:fun_info_mfa/1
erts: Introduce erlang:fun_info_mfa/1
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* nox/reedr-logging/OTP-12115:
Add number of entries to mnesia copy debug message
Add thread index to allocator enomem dump slogan
Add run queue index to process dump info
Add missing error string to syslog logging in epmd
Demote rare debug slogan of message discarding to debug build
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* ia/ssl/dialyzer-certificate_requests:
ssl: Fix boolean expression
ssl: Fix broken contract
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* lucafavatella/accept-ip-in-net_adm-names:
Refactor erl_epmd:names/1
Accept inet:ip_address() in net_adm:names/1
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* hb/dialyzer/bugfixes/OTP-12018:
dialyzer, hipe: Fix a bug concerning is_record/2,3
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Also fixed some cases where Dialyzer could crash due to reaching
system limits.
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* hb/dialyzer/bugfix/OTP-12111:
dialyzer: fix a -Wunderspecs bug
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Sometimes bogus warnings were generated for parametrized types.
Thanks to Krzesimir Sarnecki for pointing the bug out.
Also corrected warnings where the structure of opaque types were
exposed (thanks to Kostis for pointing the bug out).
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