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* egil/maps/hamt/OTP-12585: (113 commits)
erts: Fix bug in ESTACK and WSTACK
kernel: Add spec for erts_debug:map_info/1
mnesia: Update mnesia tests to reflect new ETS hash
erts: Ensure maps uses _rel functions in halfword
erts: Do not treat errors as fatal in erl_printf_term
erts: Update preloaded erts_internal.beam
erts: Add map decomposition wrappers
erts: Ensure halfword has correct temp-heap for maps
hipe: Handle separate hashmap tag correctly
erts: Fix map bug in dec_term for 32-bit debug VM
stdlib: Update qlc tests to reflect new ETS hash
stdlib: Remove obsolete hashmap references in io_lib
erts: Enhance maps ordering tests
hipe: Fix maps sort order testcase
erts: Remove unused variable in crashdump creation
erts: Fix typo in copy_struct for halfword emulator
erts: Restrict GCC intrinsics by compiler version
erts: Fix windows bug in hashmap_info
erts: Fix typo in make_hash2 for 32-bit arch
Fix beam_load assert
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Conflicts:
erts/emulator/beam/bif.tab
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to allow mixing of 'next' and 'prev' operations.
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flatmap: Small map
hashmap: Large map
map: flatmap or hashmap
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Strategy: Calculate an over estimation of heap size that will give
such a low probability for overflow, that "it will not happen".
Scary assumption 1: Uniformly distributed hash values.
Scary assumption 2: Tree size is normally distributed (right?)
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by calling make_hash2.
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MAP_DEF and HASHMAP_DEF must have adjacent values
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The old hashing did not care which value belonged to which key,
for example:
would hash the same.
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A lightweight stack that can be used to store any type.
PUSH and POP return pointers into stack slots.
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* maint:
Use the new 64-bit atomic ops API
Introduce a 64-bit atomic ops API
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* sverk/yielding-distr-send/OTP-12232:
erts: Add constant TERM_TO_BINARY_MEMCPY_FACTOR
erts: Optimize some repeated calls to {E,W}STACK_PUSH
erts: Yield in term_to_binary when encoding big maps
erts: Remove unnecessary goto for fun encoding
erts: Yield in term_to_binary while copying large binaries
erts: Implement yielding for distributed send of large messages
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rickard/maint-17/eager-check-io/OTP-12117
* rickard/eager-check-io/OTP-12117:
Introduce support for eager check I/O scheduling
Conflicts:
erts/emulator/beam/erl_bif_info.c
erts/emulator/beam/erl_init.c
erts/emulator/beam/erl_process.c
erts/preloaded/ebin/erlang.beam
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- erlang:list_to_binary/1
- erlang:iolist_to_binary/1
- erlang:list_to_bitstring/1
- binary:list_to_bin/1
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The expression,
#{} =:= M
where M was any Map, would always result in 'true'.
This commit fixes this issue by first comparing sizes for
both terms and then checking for size zero.
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* lukas/ose/master/OTP-11334: (71 commits)
erts: Fix unix efile assert
ose: Use -O2 when building
ose: Expand OSE docs
ose: Add dummy ttsl driver
ose: Cleanup cleanup of mutex selection defines
ose: Polish mmap configure checks
ose: Add ose specific x-compile flags
ose: Updating fd_driver and spawn_driver for OSE
ose: Updating event and signal API for OSE
ose: Cleanup of mutex selection defines
win32: Compile erl_log.exe
ose: Remove uneccesary define
ose: Fix ssl configure test for osx
erts: Fix sys_msg_dispatcher assert
ose: Fix broken doc links
ose: Thread priorities configurable from lmconf
ose: Yielding the cpu is done "the OSE" way
ose: Start using ppdata for tse key
ose: Do not use spinlocks on OSE
ose: Fix support for crypto
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Conflicts:
lib/crypto/c_src/crypto.c
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This port has support for both non-smp and smp.
It contains a new way to do io checking in which erts_poll_wait
receives the payload of the polled entity. This has implications
for all linked-in drivers.
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Commit d5c238473b9cec819d93faaef4ccc00ddb60465f added a third
argument to the cmp() function, but did not change the code generation
of native code that called cmp().
Name the new functions with an "erts_" prefix, and reinstate the
old cmp() function with two arguments.
We don't have to keep a cmp() function in the halfword emulator,
since HiPE does not support the halfword emulator.
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Uses total order of types meaning int < float
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The hashing a map in these functions uses the same strategy
as the other terms. The exception being a prime number with size
so we do not get erlang:phash(#{}) -> 1 which would be the same
as erlang:phash({}) and erlang:phash(<<>>). Same argument for
erlang:hash/1.
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big_buf was one word too short on 32-bit emulators causing
memory corruption.
Seems like this did not cause a problem before the ESTACK memory layout
was changed in 172ebf11dc455e22b87f.
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for the temporary conversion from float to big.
Preparation for coming bugfix of 'big_buf' array size.
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This is not a clean refactor. It changes the behaviour slightly
of E/WSTACK_RESTORE. The allocated stack from E/WSTACK_SAVE is used
as-is and not copied into default_stack. This will hopefully fix an
illusive memory leak that valgrind is reporting.
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* rickard/garbage_collect/OTP-11388:
Parallel check_process_code when code_server purge a module
Functionality for disabling garbage collection
Use asynchronous check_process_code in code_parallel_SUITE
Execution of system tasks in context of another process
Conflicts:
bootstrap/lib/kernel/ebin/hipe_unified_loader.beam
erts/preloaded/ebin/erlang.beam
erts/preloaded/ebin/erts_internal.beam
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A process requesting a system task to be executed in the context of
another process will be notified by a message when the task has
executed. This message will be on the form:
{RequestType, RequestId, Pid, Result}.
A process requesting a system task to be executed can set priority
on the system task. The requester typically set the same priority
on the task as its own process priority, and by this avoiding
priority inversion. A request for execution of a system task is
made by calling the statically linked in NIF
erts_internal:request_system_task(Pid, Prio, Request). This is an
undocumented ERTS internal function that should remain so. It
should *only* be called from BIF implementations.
Currently defined system tasks are:
* garbage_collect
* check_process_code
Further system tasks can and will be implemented in the future.
The erlang:garbage_collect/[1,2] and erlang:check_process_code/[2,3]
BIFs are now implemented using system tasks. Both the
'garbage_collect' and the 'check_process_code' operations perform
or may perform garbage_collections. By doing these via the
system task functionality all garbage collect operations in the
system will be performed solely in the context of the process
being garbage collected. This makes it possible to later implement
functionality for disabling garbage collection of a process over
context switches.
Newly introduced BIFs:
* erlang:garbage_collect/2 - The new second argument is an option
list. Introduced option:
* {async, RequestId} - making it possible for users to issue
asynchronous garbage collect requests.
* erlang:check_process_code/3 - The new third argument is an
option list. Introduced options:
* {async, RequestId} - making it possible for users to issue
asynchronous check process code requests.
* {allow_gc, boolean()} - making it possible to issue requests
that aren't allowed to garbage collect (operation will abort
if gc should be needed).
These options have been introduced as a preparation for
parallelization of check_process_code operations when the
code_server is about to purge a module.
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OTP-11408
* sverk/load-nif-unicode:
erts: Fix bug in atom to filename conversions
Fix open_ddll for win
erts, crypto: Support NIF library with unicode filename on windows
erts: Factor out erts_convert_filename_to_wchar()
erts: Fix compiler warning
erts: Fix loading of NIF library with unicode in path
erts: Remove unused constant DRIVER_TAB_SIZE
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Conflicts:
erts/preloaded/ebin/erlang.beam
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