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2019-08-23Merge branch 'maint'Björn Gustavsson
* maint: Fix filelib:wildcard/1,2 for patterns containing ".." and/or "@"
2019-08-23Merge pull request #2353 from ↵Björn Gustavsson
bjorng/bjorn/stdlib/fix-file_lib-wildcard/ERL-1029/OTP-15987 Fix filelib:wildcard/1,2 for patterns containing ".." and/or "@"
2019-08-22Merge branch 'sverker/ets-test-cuddle'Sverker Eriksson
* sverker/ets-test-cuddle: stdlib: Fix ets_SUITE:tabfile_ext4
2019-08-22stdlib: Fix ets_SUITE:tabfile_ext4Sverker Eriksson
on machines with long host names. Move forward the file location interval to corrupt. An ETS table file corrupted in the header may still be readable with table content unchanged and that will cause tabfile_ext4 to fail. The header length increase with long host names and added table options.
2019-08-22Fix filelib:wildcard/1,2 for patterns containing ".." and/or "@"Björn Gustavsson
`..` was broken and only worked when it was used in the beginning of the pattern before any wildcard characters. For example: 1> filelib:wildcard("erts/.."). ["erts/.."] Using `..` preceded by wildcard characters would not work: 1> filelib:wildcard("*/.."). [] `@` is not a wildcard character but is used internally in `filelib` as an escape character and was not handled as other literal characters. That could lead to performance degradation as it disabled an optimization of the matching of the literal prefix of a pattern. It would also cause the following example to fail: 1> filelib:wildcard("@/.."). [] This commit corrects the handling `..` and also makes sure that the use of `@` in a pattern does not degrade performance. https://bugs.erlang.org/browse/ERL-1029
2019-08-21Merge branch 'hasse/remove_old_IO_requests/OTP-15695'Hans Bolinder
* hasse/remove_old_IO_requests/OTP-15695: stdlib: Remove old I/O-requests from test suites stdlib (doc): Do not mention old requests snmp: Update old format I/O-request sasl: Use encoding when reading terms parsetools (doc): Update old format I/O-requests mnesia: Update old format I/O-request kernel: Update old format I/O-requests stdlib: Remove no longer used function kernel: Remove commented out code stdlib: Remove commented out code
2019-08-20stdlib: Remove old I/O-requests from test suitesHans Bolinder
2019-08-20Merge branch 'maint'Hans Bolinder
* maint: fun2ms: accept ++ in function head when called from shell
2019-08-20Merge branch 'legoscia/stdlib/fun2ms-plusplus/OTP-15992/PR-2322' into maintHans Bolinder
* legoscia/stdlib/fun2ms-plusplus/OTP-15992/PR-2322: fun2ms: accept ++ in function head when called from shell
2019-08-12Merge branch 'maint'John Högberg
* maint: erts: Create heap binaries in binary:split/2-3 erts: Create heap binaries in binary_part/2-3 erts: Create heap binaries in split_binary/2 erts: Create heap binaries in bs_get_binary2 erts: Remove size check in bs_start_match erts: Disallow binaries whose size in bits exceeds UWORD_MAX
2019-08-09erts: Create heap binaries in bs_get_binary2John Högberg
ErlSubBin is a large struct that often dwarfs the region of memory it points at, and it's common for them to refer to a ProcBin which must be kept around as long as the SubBin lives, using up even more heap space and keeping the referenced binary alive regardless of how small the sub-binary is.
2019-07-12fun2ms: accept ++ in function head when called from shellMagnus Henoch
Code such as ets:fun2ms(fun({"foo" ++ X}) -> X end) works fine in compiled code. Let's make it work when fun2ms is invoked from the shell as well.
2019-07-05Merge branch 'sverker/ets_SUITE-fixtable_iter_bag'Sverker Eriksson
* sverker/ets_SUITE-fixtable_iter_bag: stdlib: ets_SUITE:fixtable_iter_bag
2019-07-05stdlib: ets_SUITE:fixtable_iter_bagSverker Eriksson
Turns out the bug in ets:next() that I tried to provoke with this new test wasn't really there. Oh well.
2019-07-02Merge branch 'maint'Rickard Green
* maint: Updated stdlib runtime dependency to erts Convert generated re replace and split tests from latin1 to UTF8 Adjust generated re replacement and split tests Generate new re replacement and split tests using perl 5.22.1 Update internal PCRE to version 8.43
2019-07-02Merge branch 'rickard/pcre-8.43/OTP-15889' into maintRickard Green
* rickard/pcre-8.43/OTP-15889: Updated stdlib runtime dependency to erts Convert generated re replace and split tests from latin1 to UTF8 Adjust generated re replacement and split tests Generate new re replacement and split tests using perl 5.22.1 Update internal PCRE to version 8.43
2019-07-01Merge branch 'maint'John Högberg
* maint: erts: Fix integer overflow in loader erts: Fix integer overflow in list subtraction
2019-07-01Merge branch 'john/erts/lists_subtract_fixes/OTP-15938/OTP-15939' into maintJohn Högberg
* john/erts/lists_subtract_fixes/OTP-15938/OTP-15939: erts: Fix integer overflow in loader erts: Fix integer overflow in list subtraction
2019-07-01erts: Fix integer overflow in list subtractionJohn Högberg
CMP_TERM returned an `Sint`, which overflowed the `int` used in erl_rbtree for storing the comparison, causing list subtraction to behave strangely.
2019-06-26Convert generated re replace and split tests from latin1 to UTF8Rickard Green
2019-06-26Adjust generated re replacement and split testsRickard Green
Adjustment needed due to incompatibility between PCRE 8.43 and perl version 5.22.1
2019-06-26Generate new re replacement and split tests using perl 5.22.1Rickard Green
2019-06-26Update internal PCRE to version 8.43Rickard Green
2019-06-25Merge branch 'maint'Rickard Green
* maint: Update runtime dependency from stdlib to erts Yield when validating UTF8 for long subject in re:run() Add yield_on_subject_validation() test Update runtime dependency from stdlib to erts Only validate subject once when global is used in re:run() Add global_unicode_validation() test
2019-06-25Merge pull request #2250 from ↵Rickard Green
rickard-green/rickard/re-unicode-validation/OTP-15831/OTP-15836/ERL-876 re unicode validation
2019-06-18Merge branch 'rickard/re-yield-unicode-validation/OTP-15836/ERL-876' into ↵Rickard Green
rickard/re-unicode-validation/OTP-15831/OTP-15836/ERL-876 * rickard/re-yield-unicode-validation/OTP-15836/ERL-876: Update runtime dependency from stdlib to erts Yield when validating UTF8 for long subject in re:run() Add yield_on_subject_validation() test
2019-06-18Merge branch 'rickard/re-global-unicode-validation/OTP-15831/ERL-876' into ↵Rickard Green
rickard/re-unicode-validation/OTP-15831/OTP-15836/ERL-876 * rickard/re-global-unicode-validation/OTP-15831/ERL-876: Update runtime dependency from stdlib to erts Only validate subject once when global is used in re:run() Add global_unicode_validation() test
2019-06-18Merge branch 'kjell/stdlib/ets_ordered_set_slow_react/OTP-15906' into maintKjell Winblad
* kjell/stdlib/ets_ordered_set_slow_react/OTP-15906: ETS ordered_set: Improvements to the CA tree implementation
2019-06-18ETS ordered_set: Improvements to the CA tree implementationKjell Winblad
This commit only affects the implementation of ETS `ordered_set` tables with the `write_concurrency` option enabled. Such tables are implemented with a data structure that is called the contention adapting search tree (CA tree). This commit introduces the following changes: * This commit causes a join to be triggered in one randomly selected base node in about one of 1000 read unlock calls for base node locks. No such joins happened before this commit. Before this commit, operations that only acquired looks in read-mode never triggered any contention adaptation. Therefore, the CA tree could get stuck in a sub-optimal state in certain scenarios. This could happen, for example, when a CA tree is first populated with parallel inserts (which will cause splits of base nodes) and then only read-only operations are applied to the data structure. Benchmark results from the `ets_SUITE:lookup_catree_par_vs_seq_init_benchmark/0` benchmark function (which is included in this commit) shows that this change can improve the throughput of the CA tree in the scenario described above. * Read-only operations will now also increase values of statistics counters when they detect that they need to wait for other operations. Only write operation changed statistics counters before this commit. This improves the statistics that the adaptation heuristics is based on. * Additionally, this commit adds an upper and lower limit to the contention statistics variables in the base nodes. Such limits did not exist before this commit. This should, for example, make the CA tree more responsive to contention after long periods of low contention.
2019-06-12Merge branch 'hasse/stdlib/chars_limit_bug/OTP-15875/ERL-967' into maint-22Erlang/OTP
* hasse/stdlib/chars_limit_bug/OTP-15875/ERL-967: stdlib: Fix a bug concerning io_lib option 'chars_limit' # Conflicts: # lib/stdlib/test/io_SUITE.erl
2019-06-12Merge branch 'maint'Hans Bolinder
* maint: stdlib: Fix a bug concerning io_lib option 'chars_limit'
2019-06-12Merge branch 'hasse/stdlib/chars_limit_bug/OTP-15875/ERL-967' into maintHans Bolinder
* hasse/stdlib/chars_limit_bug/OTP-15875/ERL-967: stdlib: Fix a bug concerning io_lib option 'chars_limit'
2019-06-11ETS ordered_set: Improvements to the CA tree implementationKjell Winblad
This commit only affects the implementation of ETS `ordered_set` tables with the `write_concurrency` option enabled. Such tables are implemented with a data structure that is called the contention adapting search tree (CA tree). This commit introduces the following changes: * This commit causes a join to be triggered in one randomly selected base node in about one of 1000 read unlock calls for base node locks. No such joins happened before this commit. Before this commit, operations that only acquired looks in read-mode never triggered any contention adaptation. Therefore, the CA tree could get stuck in a sub-optimal state in certain scenarios. This could happen, for example, when a CA tree is first populated with parallel inserts (which will cause splits of base nodes) and then only read-only operations are applied to the data structure. Benchmark results from the `ets_SUITE:lookup_catree_par_vs_seq_init_benchmark/0` benchmark function (which is included in this commit) shows that this change can improve the throughput of the CA tree in the scenario described above. * Read-only operations will now also increase values of statistics counters when they detect that they need to wait for other operations. Only write operation changed statistics counters before this commit. This improves the statistics that the adaptation heuristics is based on. * Additionally, this commit adds an upper and lower limit to the contention statistics variables in the base nodes. Such limits did not exist before this commit. This should, for example, make the CA tree more responsive to contention after long periods of low contention.
2019-06-11stdlib: Fix a bug concerning io_lib option 'chars_limit'Hans Bolinder
See also https://bugs.erlang.org/browse/ERL-967.
2019-05-29Merge branch 'maint'Hans Bolinder
* maint: stdlib: Fix a bug concerning io_lib option 'chars_limit'
2019-05-29Merge branch 'hasse/stdlib/chars_limit_bug/OTP-15847/ERL-957' into maintHans Bolinder
* hasse/stdlib/chars_limit_bug/OTP-15847/ERL-957: stdlib: Fix a bug concerning io_lib option 'chars_limit'
2019-05-29Merge branch 'hasse/stdlib/chars_limit_bug/OTP-15847/ERL-957' into maint-22Erlang/OTP
* hasse/stdlib/chars_limit_bug/OTP-15847/ERL-957: stdlib: Fix a bug concerning io_lib option 'chars_limit' # Conflicts: # lib/stdlib/test/io_SUITE.erl
2019-05-29stdlib: Fix a bug concerning io_lib option 'chars_limit'Hans Bolinder
See also https://bugs.erlang.org/browse/ERL-957.
2019-05-24Add yield_on_subject_validation() testRickard Green
2019-05-24Add global_unicode_validation() testRickard Green
2019-05-23ETS testing: Improve visualization of ETS throughput benchmark resultsKjell Winblad
This commit makes it possible to see relative differences in the HTML page that visualizes results from the ETS throughput benchmark that is included in the test suite ets_SUITE. This change will make it easier to compare different ETS table configurations and implementations.
2019-05-07Merge branch 'hasse/stdlib/optimize_io_format/OTP-15705'Hans Bolinder
* hasse/stdlib/optimize_io_format/OTP-15705: stdlib: Optimize pretty printing of strings with chars_limit stdlib: Optimize printing of maps a bit stdlib: Optimize pretty printing of lists slightly
2019-05-07Merge branch 'hasse/stdlib/check_spec_module/OTP-15563/ERL-845'Hans Bolinder
* hasse/stdlib/check_spec_module/OTP-15563/ERL-845: stdlib: Do not allow specs for functions in other modules
2019-05-03stdlib: Do not allow specs for functions in other modulesHans Bolinder
See also https://bugs.erlang.org/browse/ERL-845. [Kostis:] My suggestion is that the compiler refuses to compile modules that contain specs for functions that are not from this module. I do not remember when / why this `feature' was introduced, but thinking about it I see a lot of (ugly) semantics issues with it. For example, should one be allowed to declare in the foo module that lists:flatten/1 takes an integer() as an argument and returns a binary()? Should one be allowed to declare a spec in some module m1 for a function of m2 that is not defined in m2? There are all kinds of checks that will need to be added to dialyzer to protect itself from these semantics issues. The compiler already refuses to compile modules that contain specs for non-existing functions of the module. Similarly, it should refuse to compile modules that contain specs for functions of other modules - unless it can somehow check that these functions are indeed defined, but it is not how the compiler currently works.
2019-05-03stdlib: Optimize pretty printing of strings with chars_limitHans Bolinder
Avoid traversing all of string arguments when limiting the output with the 'chars_limit' option.
2019-05-02unicode_util gc/1Dan Gudmundsson
Could expand binary to list for to many elements. Fix and add tests.
2019-04-30Fix bug string:slice/3 on bad inputDan Gudmundsson
Fixed bug in slice which wrongly could return <<>> for non-utf8 binary input. Also give a better error reason when non-utf8 binaries are given as input to some functions.
2019-04-18Fix broken ETS test caseKjell Winblad
This commit fixes an ETS test case that tests the decentralized memory counter in tables of type ordered_set with the write_concurrency option turned on. The test case assumed that the memory consumption of the table would only grow monotonically when terms are inserted. However, this was not the case when the emulator was compiled in debug mode as random splits and joins of CA tree nodes could happen. This commit fixes the test case by disabling random splits and joins in the tested table.
2019-04-12stdlib: Adjust test suites and docs due to erl_pp changesHans Bolinder
2019-04-12stdlib: Let the Pretty Printer output more on one lineHans Bolinder
Atomic elements such as atoms, '{}', '[]', and '<<>>' are output on the same line in types, structs, lists, &c. In particular types can be more compact, and easier to read. A space is output after comma in tuples, to be more consistent.
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