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* lukas/erts/cpu_time_thread/OTP-15090:
erts: Make cpu_timestamp use per thread on Linux
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* sverker/ets-delete_all_objects-trap/OTP-15078:
erts: Rename untrapping db_free_*empty*_table
erts: Make ets:delete_all_objects yield on fixed table
erts: Optimize ets delete all in fixed table
erts: Refactor ets select iteration code
erts: Cleanup ets code
erts: Optimize ets hash object deallocactions
erts: Refactor pseudo deleted ets objects
erts: Make atomic ets:delete_all_objects yield
erts: Fix reduction bump for ets:delete/1
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* sverker/system-profile-bug/OTP-15085:
erts: Fix bug in system_profile
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seen to cause redundant {profile,_,active,_,_} messages
when process is terminating.
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* rickard/delete_process_schedule/OTP-15081:
Do not hold runq lock while deleting a process
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Fix bug in enif_binary_to_term for immediates
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epmd: allow alternative to dns resolving for nodename
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This makes it possible to create a custom integration with a
key-value store for example. The key would then point to the
actual address. You would have to write your own epmd module
to make use of that feature.
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‘res’ may be used uninitialized in this function
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* richcarl/eliminate_lib_module/PR-1786/OTP-15072:
Fix minor issues
Eliminate call to ct:get_progname() in ts_erl_config
Use \n escape instead of integer 10
Move error formatting to erl_error.erl and delete lib.erl
Move extended parse functions in lib.erl to erl_eval.erl
Move lib:eval_str/1 into mod_esi.erl
Remove lib:progname/0
Eliminate call to lib:progname/1 in slave.erl
Add ct:get_progname/0
Remove lib:error_message/2
Remove lib:flush_receive/0
Remove lib:send/2 and lib:sendw/2
Move lib:nonl/1 into yecc.erl
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Symptom: Heap corruption
Expanded test case to provoke this bug
and test some more term types.
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* rickard/suspend/OTP-14964:
Fix erts_try_lock_sig_free_proc()
Update etp
Replace previous suspend in setnode/3
New process suspend implementation based on async signaling
Teach HiPE to yield from receive
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Disable the use of floating point exceptions
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Bug introduced in master by
613cde66c25464121f2f6dace99782bad0e07d9b
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from ensure_dirty_proc_handled
as an outline function callable from inline functions.
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If we don't use per thread the value becomes completely
nonsensical on systems with more than one scheduler.
We keep the old solaris behaviour in order to support the
option, but it only really works when using a single
scheduler.
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Symptom: maps:iterator+next returns different orders
for the exact same map.
Problem: Number of cached key-values within iterator term
depends on number of input reductions to erts_internal_map_next_3.
Solution: Build cached key-values in destructive non-reverse order
to not affect iteration order.
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Floating point exceptions has been disabled since 2011 on macOS
(fa0f8d2c29b) and on Linux since 2014 (c7ddafbe6dbc) because
there were unresolved stability issues.
Floating point exceptions are not disabled by default on FreeBSD,
and if OTP is compiled with gcc (as opposed to clang) floating
point exceptions will be used.
81a6adab693a introduced a bug in erts/emulator/Makefile.in which would
cause the building of OTP to fail if floating point exceptions were
enabled. The bug was not noticed because it turns out that none of our
daily build machines has floating point exceptions enabled.
Since floating point exceptions is not tested, we should not expect
them to work reliably on any platform. Therefore, turn off floating
point exceptions unconditionally in erts/configure.in. For the moment
we will keep the code in the runtime system that handles floating
point exceptions.
(This commit also fixes the bug in erts/emulator/Makefile.in, in
case floating point exceptions ever become reliable and enabled.)
https://bugs.erlang.org/browse/ERL-620
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as it's now only used for empty tables by ets:new/2.
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by only allocating one FixedDeletion with the new "all" flag
instead of one FixedDeletion per slot.
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* Remove all "mtraversal_" prefixes.
* Rename all local context variables as "ctx".
* Changed callbacks from function arguments
to members of new base context struct "match_callbacks_t"
* Remove unnecessary struct initializations "= {0}"
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to be done after lock has been released.
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Separate pseudo-deleted-flag from the hash value.
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by using a cooperative strategy that will make
any process accessing the table execute delelete_all_objects_continue
until the table is empty.
This is not an optimal solution as concurrent threads will still
block on the table lock, but at least thread progress is made.
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Introduce is_map_key/2 guard BIF
OTP-15037
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This replaces all uses of lib:progname/0 in tests.
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* john/erts/fix-windows-symlinks/OTP-15062/ERL-615:
Stop assuming that all NTFS reparse points are links
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This fixes a crash that would occur when using file:read_file_info/1
on a file with a non-link reparse point, which are commonly seen in
RSS and OneDrive folders.
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This complements the `map_get/2` guard BIF introduced in #1784.
Rationale.
`map_get/2` allows accessing map fields in guards, but it might be
problematic in more complex guard expressions, for example:
foo(X) when map_get(a, X) =:= 1 or is_list(X) -> ...
The `is_list/1` part of the guard could never succeed since the
`map_get/2` guard would fail the whole guard expression. In this
situation, this could be solved by using `;` instead of `or` to separate
the guards, but it is not possible in every case.
To solve this situation, this PR proposes a `is_map_key/2` guard that
allows to check if a map has key inside a guard before trying to access
that key. When combined with `is_map/1` this allows to construct a
purely boolean guard expression testing a value of a key in a map.
Implementation.
Given the use case motivating the introduction of this function, the PR
contains compiler optimisations that produce optimial code for the
following guard expression:
foo(X) when is_map(X) and is_map_key(a, X) and map_get(a, X) =:= 1 -> ok;
foo(_) -> error.
Given all three tests share the failure label, the `is_map_key/2` and
`is_map/2` tests are optimised away.
As with `map_get/2` the `is_map_key/2` BIF is allowed in match specs.
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* sverker/lc-thread-exit-free-fix:
erts: Fix memory leak in lock checker at thread exit
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* rickard/process_info/OTP-14966:
Fix scheduled process_info() 'status' request
Fix handling of process-info requests in receive
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* siri/kernel/logger/OTP-13295:
Add documentation of the built-in logger handlers
Catch badarg in logger:get_format_depth/0
Add chars_limit option to logger_formatter
Don't kill logger process until all other processes are dead
Set call timeout for logger_server to infinity
Update primary bootstrap
Test cuddle for logger
Update cth_log_redirect to a logger handler
Start using logger internally in kernel and stdlib
Remove error_logger process and add logger process
Add logger
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If no message/signal is sent (to same destination)
then monitor signal is flushed when process is scheduled out.
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