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* rickard/dirty-work-gone/OTP-14978:
Reschedule on ordinary scheduler if dirty work is gone
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* rickard/pre-alloc-alignment/OTP-14977:
Force 64-bit alignment for pre-allocators unless x86
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* rickard/remove-approx-started/OTP-14975:
Remove process start time for crash dumps
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* sverker/dict-put-immed-opt:
erts: Optimize erlang:put/2 for hash collision lists
erts: Optimize erlang:put/2 for immed values
erts: Refactor erlang:put/2
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* john/erts/tuple-arityval-fixes/OTP-14963/ERL-577:
Make doc entry for maximum tuple size reflect reality
Assert that sz <= MAX_ARITYVAL in make_arityval(sz)
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* john/erts/assert-on-memcpy-memset-etc:
Always use sys_memcpy/cmp/etc instead of plain memcpy/cmp/etc
Check the arguments to sys_memcpy and friends
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Passing NULL is undefined behavior and unconditionally executing these
may result in the compiler optimizing away a later NULL check. It can
often work since the pointer isn't touched when the length is 0, but
it's a major footgun. See ERL-573.
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Bug introduced in commit fbb10ebc4a37555c7ea7f99e14286d862993976a
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* lukas/erts/erl_child_setup_ignore_SIGTERM/OTP-14943:
erts: Ignore SIGTERM in erl_child_setup
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Cleanup erlang:system_info docs
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* rickard/psflgs/OTP-14948:
Replace usage of ERTS_PSFLG_BOUND
Remove ERTS_PSFLG_ON_HEAP_MSGQ
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* raimo/stop-encouraging-v4-mapped/ERL-503/OTP-13716:
Stop translating V4MAPPED addresses
Stop returning V4MAPPED addresses
Implement function for IPv4-mapped IPv6 addresses
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Instead of rebuilding all cons cells before key,
just unlink key cell from list with a destructive heap write op.
This is safe as these lists never leak out and any new-to-old-heap-refs
are preserved.
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* john/erts/efile_SUITE-iter-max-files-stability:
Make efile_SUITE:iter_max_files more stable
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with link to ! operator
and clarify ugly badarg for unregistered atom argument.
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Just to simplify and get 4 distinctive states
IDLE, PENDING, CONNECTED and EXITING.
The old possible flag combos were:
0
PENDING
CONNECTED
CONNECTED|EXITING
EXITING
The two EXITING states did not serve any purpose
other then as a slight optimization in monitor_node(_,false,_)
to shortcut EXITING when there can be no monitors.
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to only transcode if output buffer actually contains
unsupported BIT_BINARY_EXT or EXPORT_EXT.
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to replace DFLAGS_STRICT_ORDER_DELIVERY
and remove that compile time dependency.
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for kernel to ask erts about distribution flags
and keep this info in one place.
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Attempt to make the system_info docs easier to navigate
by grouping items of similar themes together in the documentation.
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This is a fix for a bug introduced in 22cde2bda
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* john/erts/allow-opening-device-files/OTP-11462:
Allow opening device files and FIFOs with file:open/2
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* john/erts/binary-bin_to_list-performance-fix/OTP-14741:
Replace binary:bin_to_list CIF implementation with binary_to_list
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* sverker/erts/more-crash-dump-info/OTP-14820:
erts,observer: Add port-suspended pids to crash dump
erts,observer: Add port states and flags to crash dump
erts,observer: Add dirty schedulers to crash dump
observer: Refactor get_schedulerinfo1
erts,observer: Add more port info to crash dump
erts: Cleanup dump_process_info()
erts: Include failing garbing process in crash dump
erts: Remove unused args to collect_live_heap_frags
erts: Add binary vheap sizes to crash dump
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* sverker/enif_self-doc:
erts: Clarify enif_self docs
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* lukas/kernel/dist_SUITE_corefile_ignore:
kernel: Ignore cores in erl_distribution_SUITE
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Conflicts:
erts/emulator/beam/erl_trace.c
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* lukas/erts/dirty_trace_clean_fix/OTP-14938:
erts: Delay cleanup of removed tracer on dirty scheds
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binary:bin_to_list had a poor implementation that resulted in
excessive garbage collection. binary_to_list is almost identical and
has a generally better implementation, so I've replaced
binary:bin_to_list's CIF with a thin wrapper around binary_to_list.
Granted, binary_to_list has a deprecated indexing scheme, but we're
unlikely to ever remote it entirely and it's somewhat easy to move
it to the 'binary' module later on.
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It is not simple to do the correct de-allocation on
a dirty schedulers, so we just delay it until this
process runs on a normal scheduler.
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To the best of our knowledge this was introduced since file operations
on device files/FIFO:s could hang the emulator forever back when the
emulator was single-threaded and lacked IO threads; a read operation
could block all progress preventing the write operation it waited for
from occurring.
Granted, this could still happen through starving all dirty IO
schedulers, but the same issue can arise with NFS files which we've
always allowed.
Removing this restriction also lets us remove a stat(2) call that was
added to specifically allow `/dev/null`.
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* john/erts/nif-binary-iovec-fixes/OTP-14845/OTP-14931/OTP-14932:
Suggest using enif_make_new_binary when possible
Make enif_make_binary return heap binaries if possible
Expand ErlNifBinary by another word for future additions
Unconditionally transfer ownership to the created term
Tweak asserts and explain why the copy buf doesn't use the tmp obj list
Free temporary iovecs through the tmp object list
Add a helper function for attaching tmp objects to NIF environments
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While enif_make_binary will create heap-binaries from ErlNifBinaries
when possible now, enif_alloc_binary still allocates a Binary* off-heap
which is avoided entirely with enif_make_new_binary.
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This does not avoid allocating a ProcBin since we still need to
release the binary somehow (and using the tmp obj list is slightly
slower since it's an unavoidable off-heap allocation), but it does give
us a hard limit on how long said ProcBin will live, which is a lot
better than before.
OTP-14845
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