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proc->run_queue detected as uninitialized by valgrind
but seems harmless in practice as it's not used for proxy processes.
"Bug" introduced in OTP-17 by ca0425c6ff85262bc15367f5fd9cbc51cde52b20
and made worse (but still harmless) in master for OTP-21
at fbb10ebc4a37555c7ea7f99e14286d862993976a.
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Deprecate erlang:get_stacktrace/1
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Make stacktraces consistent when backtrace_depth is 0
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into aclocal.m4 as LM_HARDWARE_ARCH
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It is allowed to set the backtrace depth to 0, but when
an exception is catched the stacktrace will still contain
one element:
1> erlang:system_flag(backtrace_depth, 0).
8
2> catch error(badarg).
{'EXIT',{badarg,[{shell,apply_fun,3,
[{file,"shell.erl"},{line,908}]}]}}
However, when an exception is raised using `erlang:raise/3`, there
will be no elements in the stacktrace:
3> catch erlang:raise(error, badarg, [{fake,name,[arg],[]}]).
{'EXIT',{badarg,[]}}
Since the `error_handler` module uses `erlang:raise/3` to
raise an exception when an undefined function is called,
there will not be any stacktrace when calling an undefined
function:
4> catch undef_module:undef_name(some_argument).
{'EXIT',{undef,[]}}
Fix this inconsistency by changing `erlang:raise/3` so that
it always includes one element in the stacktrace:
3> catch erlang:raise(error, badarg, [{fake,name,[arg],[]}]).
{'EXIT',{badarg,[{fake,name,[arg],[]}]}}
4> catch undef_module:undef_name(some_argument).
{'EXIT',{undef,[{undef_module,undef_name,[some_argument],[]}]}}
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christhekeele/remove-trace-terms-from-table-types-in-match-docs
Remove trace-specific terms from docs for table-oriented matchspecs
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This removes the matchspec instructions `is_seq_trace` and `get_tcw/0`
from the documentation for table-oriented matchspecs.
This is likely correct as both are already documented under "Functions
Allowed Only for Tracing", despite appearing in the list of possible
options for table specs.
The following observations further back this change up:
```erl
erlang:match_spec_test([whatever], [{'_', [], [{is_seq_trace}]}], trace).
%=> {ok,true,[],[]}
erlang:match_spec_test({whatever}, [{'_', [], [{is_seq_trace}]}], table).
%=> {error,[{error,"Special form 'is_seq_trace' used in wrong %dialect."}]}
erlang:match_spec_test([whatever], [{'_', [], [{get_tcw}]}], trace).
%=> {ok,true,[],[]}
erlang:match_spec_test({whatever}, [{'_', [], [{get_tcw}]}], table).
%=> {error,[{error,"Function get_tcw/0 cannot be called in this context."}]}
```
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OTP-15024
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This may be of interest in crash dumps and allows the upcoming
allocation tagging feature to track allocations on a per-NIF basis.
Note that this is only updated when user code calls a NIF; it's not
altered when the emulator calls NIFs during code upgrades or
tracing.
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This increases the accuracy of crash dumps and the upcoming
allocation tagging feature.
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* rickard/process_info/OTP-14966:
Fix deadlock in HiPE gc after receive
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for erts, stdlib, kernel and runtime_tools.
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Also removed unused ERTS_LC_STATIC_ALLOC.
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Run debug VM or config with --enable-lock-checking.
Exercise VM and then run
erts_debug:lc_graph().
to create a file "lc_graph.<pid>" in current working directory.
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with just lots of renaming, nothing else.
erts_lc_locked_locks_t -> lc_thread_t
create_locked_locks -> create_thread_data
l_lcks -> thr
l_lck -> ll
And dropped erts_ prefix on some file scope types.
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* rickard/monotonic_time_1_fix/OTP-15008:
Teach erlang:monotonic_time/1 the perf_counter time unit
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* rickard/process_info/OTP-14966:
New process_info() implementation using signals
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* rickard/signals/OTP-14589:
Fix VM probes compilation
Conflicts:
erts/emulator/beam/erl_message.c
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Improve float_to_list(F, [{decimals,D}])
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* lukas/erts/init_restart_flush_messages/OTP-15013:
erts: Flush messages before doing init restart
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* lukas/erts/fix_openbsd_eof_poll/OTP-14346:
erts: Break etp-processes/ports when all found
erts: Don't use EV_DISPATCH on openbsd
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* lukas/erl_docgen/add_github_contrib_link/OTP-14979:
erl_docgen: Remove git dependency in github link script
stdlib: Fix timer monotonic time link
erl_docgen: Use name based anchors where possible
erl_docgen: Change ghlink icon to pencil
erl_docgen: Fix ghlinks to .xmlsrc
erl_docgen: Add hover links for ghlink
erl_docgen: Add ghlink step for all non-generated doc xml files
Fix erlang:abs/2 type docs
Tickets missed in 9033a41375f3a31a18eb0cba3ea
OTP-14651: temp_alloc disabling
OTP-14652: msacc bugs
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* rickard/signals/OTP-14589:
Fix seq trace
Fix bad assert
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All functions, datatype and h3 headings have gotten a hover
attribute that shows a link directly to the edit page on
github for easy editing of documentation.
The github link links to the maint branch. An early attempt
was done to use the SHA of the current branch, but that did
not work well as github can only take pull requests from
branches.
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If messages are not flushed they would cause problems when
the system is booting. For instance module load requests
would be issued before the prim loader has been launched.
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In order to get line numbers into the ghlink we have to add a post
processing step for all xml files.
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63e1c58d27ab (PR #1725) started to compile external funs
as literals.
This commit updates the dumping of literal areas to dump
external fun literals to the crash dump.
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to better conform with io_lib:format("~.*f", [D,F])
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Compile external fun expressions to literals
OTP-15003
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* lukas/erts/tcp_send_return_closed/OTP-15001:
erts: tcp send should return {error,closed}
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