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OTP-14520
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* lukas/erts/list_to_port/OTP-14348:
erts: Add erlang:list_to_port/1 debug bif
erts: Auto-import port_to_list for consistency
erts: Polish off erlang:list_to_ref/1
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Add re:version/0
OTP-14347
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* sverker/ets-table-identifiers:
observer: Polish crashdump viewer for ETS
observer: Polish Table Viewer tab
stdlib: Remove ets_SUITE:memory_check_summary
erts: Improve reduction count during table cleanup
erts: Cleanup table status bits
erts: Remove now redundant 'id' from DbTableCommon
erts: Remove meta_main_tab
erts: Pass tid argument down to trapping functions
erts: Print table id as ref in crashdump and break menu
erts: Replace meta_pid_to{_fixed}_tab with linked lists
erts: Correct erl_rbtree comments about yielding
erts: Add ERTS_RBT_YIELD_STAT_INIT to erl_rbtree
Fix node_container_SUITE
list_to_ref/1
Implement ets:all() using scheduler specific data
Rename fixation count in ets table to avoid confusion
Introduce references as table identifiers
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* egil/20/erts/signal-service/OTP-14186:
kernel: Document signal server
erts: Use os module instead of erts_internal for set_signal/2
erts: Do not handle SIGILL
erts: Fix thread suspend in crashdump
erts: Do not enable SIGINT
erts: Use generic signal handler
erts: Add OS signal tests
erts: Handle SIGUSR1 via signal service instead
erts: Handle SIGTERM via signal service instead
kernel: Add gen_event signal server and default handler
erts: Add SIGHUP signal handler
erts: Remove whitespace errors
Conflicts:
erts/emulator/beam/bif.tab
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* Add specs
* Change return signature to 'ok' instead of 'true'
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erlang:hash/2 has been deprecated for a while, time to remove it.
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Returns the (floating point) remainder of first argument divided
by second argument.
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* kvakvs/erts/gc_minor_option/OTP-11695:
erts: Fix req_system_task gc typespec
Fix process_SUITE system_task_blast and no_priority_inversion2
Option to erlang:garbage_collect to request minor (generational) GC
Conflicts:
erts/emulator/beam/erl_process.c
erts/preloaded/src/erts_internal.erl
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Add math:floor/1 and math:ceil/1 to avoid unnecessary conversions
in floating point expressions. That is, instead of having to write
float(floor(X)) as part of a floating point expressions, we can
write simply math:floor(X).
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Implement as ceil/1 and floor/1 as new guard BIFs (essentially part of
Erlang language). They are guard BIFs because trunc/1 is a guard
BIF. It would be strange to have trunc/1 as a part of the language, but
not ceil/1 and floor/1.
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* maint:
Fix tracing of processes executing dirty
Perform check_process_code while process is executing dirty
Fix purge of code
Reclaim literal area after purge has completed
Separate literal area from code
Conflicts:
erts/emulator/beam/global.h
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Ensure that we cannot get any dangling pointers into code that
has been purged. This is done by a two phase purge. At first
phase all fun entries pointing into the code to purge are marked
for purge. All processes trying to call these funs will be suspended
and by this we avoid getting new direct references into the code.
When all processes has been checked, these processes are resumed.
The new purge strategy now also completely ignore the existence of
indirect references to the code (funs). If such exist, they will
cause bad fun exceptions to the caller, but will not prevent a
soft purge or cause a kill of a process having such live references
during a hard purge. This since it is impossible to give any
guarantees that no processes in the system have such indirect
references. Even when the system is completely clean from such
references, new ones can appear via distribution and/or disk.
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Note: Minor GC option is a hint, and GC may still decide to run fullsweep.
Test case for major and minor gc on self
Test case for major and minor gs on some other process + async gc test check
docs fix
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Add the BIF type "gcbif" in bif.tab for defining GC BIFs. That will
eliminate some of the hand-written administrative code for handling
GC BIFs, saving the developer's time.
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just to make things simpler.
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Add the possibility to use modules as trace data receivers. The functions
in the module have to be nifs as otherwise complex trace probes will be
very hard to handle (complex means trace probes for ports for example).
This commit changes the way that the ptab->tracer field works from always
being an immediate, to now be NIL if no tracer is present or else be
the tuple {TracerModule, TracerState} where TracerModule is an atom that
is later used to lookup the appropriate tracer callbacks to call and
TracerState is just passed to the tracer callback. The default process and
port tracers have been rewritten to use the new API.
This commit also changes the order which trace messages are delivered to the
potential tracer process. Any enif_send done in a tracer module may be delayed
indefinitely because of lock order issues. If a message is delayed any other
trace message send from that process is also delayed so that order is preserved
for each traced entity. This means that for some trace events (i.e. send/receive)
the events may come in an unintuitive order (receive before send) to the
trace receiver. Timestamps are taken when the trace message is generated so
trace messages from differented processes may arrive with the timestamp
out of order.
Both the erlang:trace and seq_trace:set_system_tracer accept the new tracer
module tracers and also the backwards compatible arguments.
OTP-10267
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* bjorn/multiple-load/OTP-13111:
code: Add functions that can load multiple modules
Refactor post_beam_load handling
Simplify and robustify code_server:all_loaded/1
Update preloaded modules
Add erl_prim_loader:get_modules/3
Add has_prepared_code_on_load/1 BIF
Allow erlang:finish_loading/1 to load more than one module
beam_load.c: Add a function to check for an on_load function
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Conflicts:
erts/emulator/beam/erl_alloc.types
erts/emulator/beam/erl_bif_info.c
erts/emulator/beam/erl_process.c
erts/preloaded/ebin/erts_internal.beam
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This commit implements erts_internal:system_check(schedulers) with the
intent of a basic responsiveness test check of the schedulers.
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The perf_counter is a very very cheap and high resolution timer
that can be used to timestamp system events. It does not have
monoticity guarantees, but should on most OS's expose a monotonous
time.
A special instruction has been created for this counter to further
speed up fetching it.
OTP-12908
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as it's not a public interface.
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Problem: erlang:purge_module/1 is not safe in the sense
that very bad things may happen if the code to be purged
is still referred to by live processes.
Introduce erts_internal:purge_module which is the same as the old
erlang:purge_module BIF (except it returns false if no such old module).
Implement erlang:purge_module in Erlang and let it invoke
erts_code_purger for safe purging where all clogging processes
first are killed.
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* lukas/erts/forker: (28 commits)
erts: Never abort in the forked child
erts: Mend ASSERT makro for erl_child_setup
erts: Allow enomem failures in port_SUITE
erts: iter_port sleep longer on freebsd
erts: Allow one dangling fd if there is a gethost port
erts: Only use forker StackAck on freebsd
erts: It is not possible to exit the forker driver
erts: Add forker StartAck for port start flowcontrol
erts: Fix large open_port arg segfault for win32
erts: Fix memory leak at async open port
kernel: Remove cmd server for unix os:cmd
erts: Add testcase for huge port environment
erts: Move os_pid to port hash to child setup
erts: Handle all EINTR and EAGAIN cases in child setup
erts: Make child_setup work with large environments
erts: Fix forker driver ifdefs for win32
erts: Fix uds socket handling for os x
erts: Fix dereferencing of unaligned integer for sparc
erts: Flatten too long io vectors in uds write
erts: Add fd count test for spawn_driver
...
Conflicts:
erts/emulator/beam/erl_node_tables.c
erts/preloaded/src/erts_internal.erl
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OTP-13086
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to support other terms, not just maps
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