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2014-03-20Teach the call_time trace to notice when the trace dies (non-SMP system)Björn Gustavsson
The call_time trace is a special kind of tracing that requires a tracer process just like ordinary call trace, but it never actually sends anything to the tracer. It merely use the existence of a trace process (and call trace flags) as an indication that call_time tracing is active for the process. If the tracer dies in a non-SMP run-time system, processes with call_time tracing would not notice that the tracer had died. Furthermore, if the set_on_spawn flag was active, the dead tracer could be propagaged to newly spawned processes. Before accumulating trace information in a non-SMP system, always validate the tracer process. (In an SMP system, a reference to a dead tracer will be cleared away each time a process is scheduled.) While we could put all of the new code beam_bp.c, we have chosen to make a function call from beam_bp.c to a function in erl_trace.c for clarity's sake and to ease further maintenance. In the future, we might want to handle tracing in more similar ways in the SMP and non-SMP system.
2014-03-06Merge branch 'egil/maps/doc-module-api'Björn-Egil Dahlberg
* egil/maps/doc-module-api: erl_docgen: Generate map() instead of #{} for maps type stdlib: Document Maps module stdlib: Fix maps:from_list/1 spec.
2014-03-06erl_docgen: Generate map() instead of #{} for maps typeBjörn-Egil Dahlberg
2014-03-06stdlib: Document Maps moduleBjörn-Egil Dahlberg
2014-03-06stdlib: Fix maps:from_list/1 spec.Björn-Egil Dahlberg
2014-03-06Merge branch 'nox/maps-cerl_clauses'Björn-Egil Dahlberg
* nox/maps-cerl_clauses: Support maps in cerl_clauses:match/2
2014-03-06Merge branch 'nox/maps-improve-erl_lint'Björn-Egil Dahlberg
* nox/maps-improve-erl_lint: Improve linting of map expressions
2014-03-06Merge branch 'nox/maps-beam_jump'Björn-Egil Dahlberg
* nox/maps-beam_jump: Properly check label use in get_map_elements in beam_jump
2014-03-06Merge branch 'nox/maps-v3_codegen-sort-nil-keys'Björn-Egil Dahlberg
* nox/maps-v3_codegen-sort-nil-keys: Properly sort map pairs in v3_codegen
2014-03-06Merge branch 'nox/maps-complex-mixed-values'Björn-Egil Dahlberg
* nox/maps-complex-mixed-values: Properly order Kernel code for maps with mixed pairs
2014-03-06Update primary bootstrapBjörn Gustavsson
2014-03-06Merge branch 'nox/compiler/v3_core-comprehension-no-export'Björn Gustavsson
* nox/compiler/v3_core-comprehension-no-export: Do not export variables from comprehension cases in v3_core OTP-11770
2014-03-06Merge branch 'nox/compiler/beam_bool-not_boolean_expr'Björn Gustavsson
* nox/compiler/beam_bool-not_boolean_expr: Compile BIF calls and operator expressions to Core the same way Do not try to optimize non-boolean guards
2014-03-06Merge branch 'nox/compiler/core_lint-call-guard'Björn Gustavsson
* nox/compiler/core_lint-call-guard: Properly lint calls in Core Erlang guards
2014-03-06Merge branch 'kostis/hipe_bifs-types'Björn Gustavsson
* kostis/hipe_bifs-types: Add types for new HiPE BIFs
2014-03-06Merge branch 'hb/stdlib/fix_dets/OTP-11709'Hans Bolinder
* hb/stdlib/fix_dets/OTP-11709: stdlib: Fix a Dets bug where files were deleted stdlib: Fix a Dets bug with leaking file descriptors
2014-03-05Merge branch 'hb/stdlib/spec_fixes/OTP-11399'Hans Bolinder
* hb/stdlib/spec_fixes/OTP-11399: stdlib: Improve the doc of the supervisor's via reference
2014-03-05stdlib: Fix a Dets bug where files were deletedHans Bolinder
Instead of deleting the small file when opening it with dets:open_file/2 an error message is returned, mimicking the behaviour when the file is bigger. open_file/1 has been modified to return the same error message when the file is small as when the file is bigger. Thanks to Hakan Mattson for reporting this bug.
2014-03-05stdlib: Fix a Dets bug with leaking file descriptorsHans Bolinder
Thanks to Hakan Mattson for reporting this bug.
2014-03-05Update primary bootstrapBjörn Gustavsson
2014-03-05Merge branch 'nox/compiler/beam_bool-bad-protected'Björn Gustavsson
* nox/compiler/beam_bool-bad-protected: Properly detect nonboolean protected expressions in beam_bool
2014-03-05Merge branch 'nox/compiler/live_opt-wait_timeout-nil'Björn Gustavsson
* nox/compiler/live_opt-wait_timeout-nil: Handle nil as a wait_timeout argument in beam_utils:live_opt/4
2014-03-05Merge branch 'nox/compiler/sys_core_fold-erlang-is_function-2'Björn Gustavsson
* nox/compiler/sys_core_fold-erlang-is_function-2: Do not mark all calls to erlang:is_function/2 as safe
2014-03-05Merge branch 'nox/compiler/lint-shortcircuit-ops'Björn Gustavsson
* nox/compiler/lint-shortcircuit-ops: Properly lint shortcircuiting operators
2014-03-05Do not export variables from comprehension cases in v3_coreAnthony Ramine
Code like the following snippet could make the compiler crash: f() -> [X = a || false] ++ [X = a || false]. Reported-by: Ulf Norell
2014-03-05Merge branch 'hb/dialyzer/deprecate_types/OTP-10342'Hans Bolinder
* hb/dialyzer/deprecate_types/OTP-10342: Introduce compiler option 'nowarn_deprecated_type' Improve message about deprecated built-in types
2014-03-05Compile BIF calls and operator expressions to Core the same wayAnthony Ramine
Previously, erlang:'or'(X, Y) and X or Y were not compiled to the same Core code.
2014-03-05Do not try to optimize non-boolean guardsAnthony Ramine
Expressions such as erlang:'or'(bar, true) can make beam_bool crash if it tries to optimize them, as this code is not quite really written by users, no attempt to rewrite them more efficiently should be done, for simplicity's sake. Reported-by: Ulf Norell
2014-03-05stdlib: Improve the doc of the supervisor's via referenceHans Bolinder
Most of the updates have already been made in 'Fix alternative registry type annotations in supervisor', a5412706f4185fddbac29216a49affd1e9f11da0. Thanks to MaximMinin.
2014-03-05Add types for new HiPE BIFsKostis Sagonas
Commit 81c7db0e247a6ee1b7a5c2764aa9575d7f6fb88a broke apart hipe_bif:make_fe/3 into two BIFs but forgot to properly update the type information about HiPE BIFs in erl_bif_types.erl. This commit fixes this by taking out the types of hipe_bifs:make_fe/3 and adding types for the new BIFs hipe_bifs:get_fe/2 and hipe_bifs:hipe_bifs_set_native_address_in_fe/2.
2014-03-05Properly check label use in get_map_elements in beam_jumpAnthony Ramine
Reported-by: Ulf Norell
2014-03-04Support maps in cerl_clauses:match/2Anthony Ramine
Without this, sys_core_fold could crash on non-matching clauses using maps patterns. Reported-by: Ulf Norell
2014-03-04Properly order Kernel code for maps with mixed pairsAnthony Ramine
The Kernel instructions were not properly ordered when compiling maps with complex values mixed in assoc and exact pairs. Reported-by: Ulf Norell
2014-03-04Properly sort map pairs in v3_codegenAnthony Ramine
Literal nil values aren't tagged tuple but the bare atom nil. The function lists:sort/2 expects the passed function to return true if the first element is less than or equal to the second, not strictly less than. The original base clause is changed accordingly. Reported-by: Ulf Norell
2014-03-04Properly lint calls in Core Erlang guardsAnthony Ramine
Not all calls to the erlang module are legal guards in Core Erlang.
2014-03-04Merge branch 'nox/maps-support-cover/OTP-11764'Björn-Egil Dahlberg
* nox/maps-support-cover/OTP-11764: Support maps in cover Conflicts: lib/tools/src/cover.erl
2014-03-04Merge branch 'ia/ssl/option-check'Ingela Anderton Andin
* ia/ssl/option-check: ssl: Add exception for inet and inet6 to proplist check
2014-03-04ssl: Add exception for inet and inet6 to proplist checkIngela Anderton Andin
2014-03-04Update primary bootstrapBjörn Gustavsson
2014-03-04Merge branch 'nox/maps-fix-beam_bool-put_map'Björn-Egil Dahlberg
* nox/maps-fix-beam_bool-put_map: Properly collect labels in put_map instructions in beam_bool
2014-03-04Merge branch 'nox/maps-expand-update'Björn-Egil Dahlberg
* nox/maps-expand-update: Fix expansion of map update arguments
2014-03-04Merge branch 'nox/compiler/v3_core-mismatched-apply'Björn Gustavsson
* nox/compiler/v3_core-mismatched-apply: Do not emit blatantly illformed Core Erlang apply expressions
2014-03-04Merge branch 'nox/compiler/sys_core_fold-erlang-is_record-3'Björn Gustavsson
* nox/compiler/sys_core_fold-erlang-is_record-3: Do not mark all calls to erlang:is_record/3 as safe
2014-03-04Merge branch 'bjorn/hipe/fix-race-condition'Björn Gustavsson
* bjorn/hipe/fix-race-condition: Delay patching of closures to eliminate a race condition hipe: Break apart hipe_bif:make_fe/3 into two BIFs
2014-03-04Merge branch 'hb/stdlib/qlc_fix/OTP-11758'Hans Bolinder
* hb/stdlib/qlc_fix/OTP-11758: Fix a qlc bug where filters were erroneously optimized away
2014-03-04Introduce compiler option 'nowarn_deprecated_type'Hans Bolinder
The deprecation of the built-in types dict/0 and so on had as side-effect that it was impossible to switch to dict:dict/2 and so on without getting warnings either in the the previous release (R16B) or the current one (17.0). By including the attribute -compile(nowarn_deprecated_type). in an Erlang source file warnings about deprecated types can be avoided in 17.0. The option can also be given as a compiler flag: erlc +nowarn_deprecated_type file.erl
2014-03-04Improve message about deprecated built-in typesHans Bolinder
2014-03-04Merge branch 'ia/ssl/proplist-input-check/OTP-11760'Ingela Anderton Andin
* ia/ssl/proplist-input-check/OTP-11760: ssl: Add input sanity check
2014-03-04ssl: Add input sanity checkIngela Anderton Andin
Avoid puzzling behavior due to options being disregarded if they are not key value tuples.
2014-03-04Handle nil as a wait_timeout argument in beam_utils:live_opt/4Anthony Ramine
Reported-by: Ulf Norell
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