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2016-10-31Propagate exceptions fully when using proc_libLoïc Hoguin
This makes proc_lib behaves like a normal process as far as the propagation of exceptions is concerned. Before this commit, the following difference could be observed: 6> spawn_link(fun() -> ssl:send(a,b) end). <0.43.0> 7> flush(). Shell got {'EXIT',<0.43.0>, {function_clause, [{ssl,send,[a,b],[{file,"..."},{line,275}]}]}} ok 8> proc_lib:spawn_link(fun() -> ssl:send(a,b) end). <0.46.0> 9> flush(). Shell got {'EXIT',<0.46.0>,function_clause} After this commit, we get the following instead: 3> flush(). Shell got {'EXIT',<0.61.0>, {function_clause, [{ssl,send,[a,b],[{file,"..."},{line,275}]}, {proc_lib,init_p,3,[{file,"..."},{line,232}]}]}} The stacktrace will show minor differences of course but the form is now the same as without proc_lib. The rationale behind this commit is that: * We now have a single form regardless of how the process was started * We can use the stacktrace to programmatically alter behavior (for example an HTTP server identifying problems in input decoding to send back a generic 400, or a 500 otherwise) * We can access the stacktrace to print it somewhere (for example an HTTP server could send it back to the client when a debug mode is enabled)
2016-10-26Merge branch 'maint'Hans Bolinder
* maint: stdlib: Correct shell_default(3)
2016-10-26stdlib: Correct shell_default(3)Hans Bolinder
2016-10-19Merge branch 'maint'Hans Bolinder
* maint: dbg:fun2ms: allow empty list as head
2016-10-19Merge branch 'gomoripeti/stdlib/ms_fix/PR-1203/OTP-13974' into maintHans Bolinder
* gomoripeti/stdlib/ms_fix/PR-1203/OTP-13974: dbg:fun2ms: allow empty list as head
2016-10-19Merge branch 'maint'Raimo Niskanen
2016-10-19Merge branch 'raimo/gen_statem-improvements/OTP-13929' into maintRaimo Niskanen
* raimo/gen_statem-improvements/OTP-13929: Fix race condition in cancel_timer/1 Use parameterized types Implement state timeouts Improve docs and types Change state entry events into state enter calls Improve docs Improve docs Implement state entry events Implement call/3 dirty_timeout
2016-10-14Fix race condition in cancel_timer/1Raimo Niskanen
2016-10-13dbg:fun2ms: allow empty list as headPéter Gömöri
Running 'dbg:fun2ms(fun([]) -> return_trace() end' resulted in an error "dbg:fun2ms requires fun with single variable or list parameter" But the empty list is actually a list and it is a valid value as a match-spec head (matching on arity-0 functions). Although its practical use is questionable this commit eliminates a small limitation of ms_transform which is not present in the match-spec grammar.
2016-10-13Use parameterized typesRaimo Niskanen
2016-10-12Implement state timeoutsRaimo Niskanen
2016-10-04Improve docs and typesRaimo Niskanen
2016-09-30Change state entry events into state enter callsRaimo Niskanen
2016-09-29Merge branch 'rickard/time-unit/OTP-13831'Rickard Green
* rickard/time-unit/OTP-13831: Replace usage of deprecated time units
2016-09-29Merge branch 'maint'Hans Bolinder
* maint: parsetools: Correct handling of Unicode in Leex Don't report error for shutdown exit tuple
2016-09-28Merge branch ↵Siri Hansen
'legoscia/dynamic-child-shutdown-tuple/ERL-163/PR-1158/OTP-13907' into maint * legoscia/dynamic-child-shutdown-tuple/ERL-163/PR-1158/OTP-13907: Don't report error for shutdown exit tuple
2016-09-27Merge branch 'maint'Hans Bolinder
* maint: stdlib: Add a testcase for Unicode expander Support for unicode expander
2016-09-27Merge branch 'andrey/stdlib/fix_edlin_expand/ERL-1152' into maintHans Bolinder
* andrey/stdlib/fix_edlin_expand/ERL-1152: stdlib: Add a testcase for Unicode expander Support for unicode expander
2016-09-27Merge branch 'maint'Siri Hansen
2016-09-26Update appups in kernel and stdlib for OTP versions > 19.1Siri Hansen
2016-09-23stdlib: Add a testcase for Unicode expanderHans Bolinder
2016-09-21Merge branch 'sverker/ets-load-factor/OTP-13903'Sverker Eriksson
* 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
2016-09-21Merge tag 'OTP-19.1'Henrik Nord
=== OTP-19.1 === Changed Applications: - asn1-4.0.4 - common_test-1.12.3 - compiler-7.0.2 - crypto-3.7.1 - debugger-4.2.1 - dialyzer-3.0.2 - diameter-1.12.1 - edoc-0.8 - erl_docgen-0.6 - erl_interface-3.9.1 - erts-8.1 - eunit-2.3.1 - gs-1.6.2 - hipe-3.15.2 - ic-4.4.2 - inets-6.3.3 - jinterface-1.7.1 - kernel-5.1 - mnesia-4.14.1 - observer-2.2.2 - odbc-2.11.3 - parsetools-2.1.3 - reltool-0.7.2 - runtime_tools-1.10.1 - sasl-3.0.1 - snmp-5.2.4 - ssh-4.3.2 - ssl-8.0.2 - stdlib-3.1 - syntax_tools-2.1 - tools-2.8.6 - wx-1.7.1 - xmerl-1.3.12 Unchanged Applications: - cosEvent-2.2.1 - cosEventDomain-1.2.1 - cosFileTransfer-1.2.1 - cosNotification-1.2.2 - cosProperty-1.2.1 - cosTime-1.2.2 - cosTransactions-1.3.2 - eldap-1.2.2 - et-1.6 - megaco-3.18.1 - orber-3.8.2 - os_mon-2.4.1 - otp_mibs-1.1.1 - percept-0.9 - public_key-1.2 - typer-0.9.11 Conflicts: OTP_VERSION lib/gs/doc/src/notes.xml lib/gs/vsn.mk
2016-09-20Prepare releaseErlang/OTP
2016-09-19stdlib: Cuddle ets_SUITE for valgrindSverker Eriksson
2016-09-19stdlib: Fix ets_SUITE:smp_select_deleteSverker Eriksson
no point in checking table load as select_delete does not shrink.
2016-09-19erts: Fix ets_SUITE:memorySverker Eriksson
by simply asking for the size of struct ext_segtab
2016-09-19erts: Suppress failed ETS memory checksSverker Eriksson
due to the grow/shrink hysteresis of the meta tables
2016-09-19erts: Reduce ets hash load factorSverker Eriksson
for faster lookup/insert/delete at the expense of about one word per object.
2016-09-16Improve docsRaimo Niskanen
2016-09-16Implement state entry eventsRaimo Niskanen
2016-09-16Implement call/3 dirty_timeoutRaimo Niskanen
2016-09-07Merge branch 'maint'Peter Andersson
2016-09-07Merge branch 'peppe/stdlib/zip-security-flaw/OTP-13633' into maintPeter Andersson
OTP-13633
2016-09-05Don't report error for shutdown exit tupleMagnus Henoch
When a simple_one_for_one supervisor is shutting down, and a child exits with an exit reason of the form {shutdown, Term}, handle it as if the exit reason were 'shutdown', without printing an error report. This makes the behaviour of wait_dynamic_children match that of do_restart. This fixes ERL-163.
2016-09-05Add test case in zip_SUITEPeter Andersson
2016-09-05Handle directory traversal attackPeter Andersson
2016-09-05Merge branch 'bjorn/floor-ceiling/OTP-13692'Björn Gustavsson
* bjorn/floor-ceiling/OTP-13692: Add math:floor/1 and math:ceil/1 Implement the new ceil/1 and floor/1 guard BIFs
2016-09-05Add math:floor/1 and math:ceil/1Björn Gustavsson
Add math:floor/1 and math:ceil/1 to avoid unnecessary conversions in floating point expressions. That is, instead of having to write float(floor(X)) as part of a floating point expressions, we can write simply math:floor(X).
2016-09-05Implement the new ceil/1 and floor/1 guard BIFsBjörn Gustavsson
Implement as ceil/1 and floor/1 as new guard BIFs (essentially part of Erlang language). They are guard BIFs because trunc/1 is a guard BIF. It would be strange to have trunc/1 as a part of the language, but not ceil/1 and floor/1.
2016-09-02Fix overridden BIFsBjörn Gustavsson
The filters in a list comprehension can be guard expressions or an ordinary expressions. If a guard expression is used as a filter, an exception will basically mean the same as 'false': t() -> L = [{some_tag,42},an_atom], [X || X <- L, element(1, X) =:= some_tag] %% Returns [{some_tag,42}] On the other hand, if an ordinary expression is used as a filter, there will be an exception: my_element(N, T) -> element(N, T). t() -> L = [{some_tag,42},an_atom], [X || X <- L, my_element(1, X) =:= some_tag] %% Causes a 'badarg' exception when element(1, an_atom) is evaluated It has been allowed for several releases to override a BIF with a local function. Thus, if we define a function called element/2, it will be called instead of the BIF element/2 within the module. We must use the "erlang:" prefix to call the BIF. Therefore, the following code is expected to work the same way as in our second example above: -compile({no_auto_import,[element/2]}). element(N, T) -> erlang:element(N, T). t() -> L = [{some_tag,42},an_atom], [X || X <- L, element(1, X) =:= some_tag]. %% Causes a 'badarg' exception when element(1, an_atom) is evaluated But the compiler refuses to compile the code with the following diagnostic: call to local/imported function element/2 is illegal in guard
2016-09-02Don't crash when obsolete guard overrides local functionBjörn Gustavsson
The compiler would crash in v3_codegen when trying to compile the following code: is_port(_) -> false. foo(P) when port(P) -> ok. We *could* have the compiler interpret the code as: is_port(_) -> false. foo(P) when erlang:is_port(P) -> ok. But that would encourage using the obsolete form of the guard tests. Note that the following code is illegal: is_port(_) -> false. foo(P) when is_port(P) -> ok. It produces the following diagnostic: call to local/imported function is_port/1 is illegal in guard Therefore, we should refuse to compile the code.
2016-09-02Merge branch 'bjorn/eliminate-sys_pre_expand/OTP-13856'Björn Gustavsson
* bjorn/eliminate-sys_pre_expand/OTP-13856: Remove sys_pre_expand xref: Eliminate use of sys_pre_expand debugger: Eliminate use of sys_pre_expand compiler: Eliminate use of sys_pre_expand shell_SUITE: Eliminate references to sys_pre_expand in comments qlc_pt: Simplify code because of updated erl_expand_records Teach erl_expand_records to translate module-less calls erl_internal: Add add_predefined_functions/1 cover: Remove always stale comment
2016-09-02Merge branch 'maint'Hans Bolinder
* maint: doc: Correct errors introduced by Editorial changes
2016-09-02Merge branch 'hasse/doc/fix_editorial_changes' into maintHans Bolinder
* hasse/doc/fix_editorial_changes: doc: Correct errors introduced by Editorial changes
2016-09-01Remove sys_pre_expandBjörn Gustavsson
The previous commits have made sys_pre_expand superfluous. Since sys_pre_expand is undocumented and unsupported it can be removed in a major release without prior deprecation. Also remove code in erl_parse that handles abstract code that has passed through sys_pre_expand. We considered deprecating sys_pre_expand just in case, but decided against it for the following reasons: - Anyone brave and knowledgeable enough to use sys_pre_expand should be able to cope with sys_pre_expand being removed. - If we kept it, but didn't test it anywhere in OTP, it could potentially stop working. So we would probably have to add some test cases.
2016-09-01compiler: Eliminate use of sys_pre_expandBjörn Gustavsson
sys_pre_expand previously did a lot more work, for example, translating records and funs, but now is merely a grab bag of small transformations. Move those transformations to v3_core.
2016-09-01shell_SUITE: Eliminate references to sys_pre_expand in commentsBjörn Gustavsson
Make it clear that we test that the shell is not dependent on the compiler application being in the path.
2016-09-01qlc_pt: Simplify code because of updated erl_expand_recordsBjörn Gustavsson
erl_expand_records now adds "erlang:" to calls to BIFs, so we can simplify the code.
2016-09-01Teach erl_expand_records to translate module-less callsBjörn Gustavsson
As the next step in eliminating sys_pre_expand, teach erl_expand_records to handle calls without explicit module name. If such call refer to a BIF or imported function, add an explicit module name. That means that any subsequent pass will know that a call without a module name is always to a local function defined in the module.