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This refactor was done using the unifdef tool like this:
for file in $(find erts/ -name *.[ch]); do unifdef -t -f defile -o $file $file; done
where defile contained:
#define ERTS_SMP 1
#define USE_THREADS 1
#define DDLL_SMP 1
#define ERTS_HAVE_SMP_EMU 1
#define SMP 1
#define ERL_BITS_REENTRANT 1
#define ERTS_USE_ASYNC_READY_Q 1
#define FDBLOCK 1
#undef ERTS_POLL_NEED_ASYNC_INTERRUPT_SUPPORT
#define ERTS_POLL_ASYNC_INTERRUPT_SUPPORT 0
#define ERTS_POLL_USE_WAKEUP_PIPE 1
#define ERTS_POLL_USE_UPDATE_REQUESTS_QUEUE 1
#undef ERTS_HAVE_PLAIN_EMU
#undef ERTS_SIGNAL_STATE
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The implementation is still hidden behind ERTS_ENABLE_LOCK_COUNT, and
all categories are still enabled by default, but the actual counting can be
toggled at will.
OTP-13170
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Support hashing terms from NIF code
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to replace macro ERTS_INTERNAL_BINARY_FIELDS
as header in Binary and friends.
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DID_TRAP will read 'ret' even when error is returned.
Found by valgrind.
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for temporary matchspec results.
ToDo: Would be even nicer if PAM could allocate and build
the ETS objects without extra copy_struct needed.
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Preemptively fail operation with badarg if the replacement object
might have a different key.
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Refactor existing solution into a common iteration loop parameterized
using stateful callbacks.
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The existing implementation presented both
semantic inconsistencies and performance issues.
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\o/
O
/ \
Also removed the body for CHECK_TABLES enabled by HARDDEBUG.
Removed quite useless check for hash,
but kept dead check code for tree.
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to get rid of meta table lookup by integer (tb->common.id)
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from process psd through all owned/fixed tables.
As meta_pid_to{_fixed}_tab maps to slot in meta_main_tab
which is planned for destruction.
In this commit we no longer seize table lock while
freeing the table (free_table_cont) as it's not needed
and makes the code a bit simpler. Any concurrent operation
on the table will only access lock, owner and status
and then bail out.
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Instead of passing around a file descriptor
use a function pointer to facilitate more advanced
backend write logic such as size limitation or compression.
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* sverker/ets-load-factor:
erts: Unify reduction count for ets:select
stdlib: Cuddle ets_SUITE for valgrind
stdlib: Fix ets_SUITE:smp_select_delete
erts: Tweak ets grow/shrink to keep up at contention
erts: Fix ets_SUITE:memory
erts: Suppress failed ETS memory checks
erts: Reduce ets hash load factor
erts: Enable a smaller first hash segment for ets
erts: Redesign ets with separate segment tables
erts: Remove unnecessary access of 'is_resizing'
erts: Add ErtsSizeofMember macro
erts: Add ErtsContainerStruct_ for array members
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to be per object as the other select-variants
and not per table slot.
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by simply asking for the size of struct ext_segtab
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due to the grow/shrink hysteresis of the meta tables
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for faster lookup/insert/delete
at the expense of about one word per object.
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* Keep it simple(r)
* To prepare for both dynamic sized segments and segtabs
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in tables without write_concurrency
and remove it totally #ifndef ERTS_SMP
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in 'set' with 'write_concurrency'
when inserting default object causes table to grow
and the bucket to split is protected by same lock as the key.
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Always free term after WUNLOCK_HASH
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This reverts commit 7c133fb1094ad1cabbb5cfc157483a43c816c6a9.
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This reverts commit f4bdac18cb9dd45185e911308a5ebd95ff10d7fd.
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in tables without write_concurrency
and remove it totally #ifndef ERTS_SMP
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from 700% to 200%
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This is mostly a pure refactoring.
Except for the buggy cases when calling erlang:halt() with a positive
integer in the range -(INT_MIN+2) to -INT_MIN that got confused with
ERTS_ABORT_EXIT, ERTS_DUMP_EXIT and ERTS_INTR_EXIT.
Outcome OLD erl_exit(n, ) NEW erts_exit(n, )
------- ------------------- -------------------------------------------
exit(Status) n = -Status <= 0 n = Status >= 0
crashdump+abort n > 0, ignore n n = ERTS_ERROR_EXIT < 0
The outcome of the old ERTS_ABORT_EXIT, ERTS_INTR_EXIT and
ERTS_DUMP_EXIT are the same as before (even though their values have
changed).
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* egil/remove-halfword/OTP-12883: (21 commits)
erts: Remove halfword etp-commands
erts: Remove halfword MemKind mseg
erts: Remove halfword bases in ETS
erts: Remove halfword CHECK_POINTER_MASK
erts: Remove halfword relative printf
erts: Remove halfword valgrind suppress file
erts: Remove halfword specific tests
erts: Remove halfword specific allocator types
erts: Remove halfword BINARY RELs
erts: Remove halfword is_same bases macro
erts: Reinstate copy_object over-allocation optimization
erts: Remove halfword copy_object_rel
erts: Remove halfword object manipulation
erts: Remove halfword heap relative comparisions
erts: Remove halfword pointer compression
erts: Remove halfword basic relative heap operations
erts: Remove halfword from configure
erts: Remove halfword in lib_src
erts: Remove halfword in erl_nif.h
erts: Remove halfword in erl_driver.h
...
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causing the delete marked object to be left in the table
after safe_fixtable(_,false) has returned.
This is not super serious as the delete marked object
is quite benign and will be deleted at the next unfix operation.
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* Removed cmp_rel, cmp_rel_term and eq_rel
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