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2012-05-15Improve the nice 'badarith' message displayed by the shellHans Bolinder
2012-03-30Update copyright yearsBjörn-Egil Dahlberg
2012-03-22Merge branch 'raimo/close-ports-on-halt/OTP-9985' into maintRaimo Niskanen
* raimo/close-ports-on-halt/OTP-9985: erts: Basic test of erlang:halt/0..2 erts: Document erlang:halt/2 and update erlang:halt/0,1 erts: Implement erlang:halt/2 stdlib: Stop working around erlang:halt not flushing erts: Make erlang:halt/0,1 close ports and flush async threads erts: Remove forgotten and unused function erl_exit0 erts: Implement erl_halt erts: Remove unused ntbuild.erl
2012-03-21erts: Implement erlang:halt/2Raimo Niskanen
2012-03-21stdlib: Stop working around erlang:halt not flushingRaimo Niskanen
2012-03-16Merge branch 'rj/fix-supervisor-shutdown-doc' into maintGustav Simonsson
* rj/fix-supervisor-shutdown-doc: Fix small typo in kernel app doc Cosmetic: split very long lines from supervisor doc Fix supervisor doc: Shutdown, MaxR and MaxT type specs Add the type restrictions in the code comments Remove trailing spaces OTP-9987
2012-03-05Merge branch 'hb/stdlib/digraph_condensation/OTP-9953' into maintHans Bolinder
* hb/stdlib/digraph_condensation/OTP-9953: Remove loops from the graph created by digraph_utils:condensation/1
2012-03-05Leave control back to gen_server during supervisor's restart loopSiri Hansen
When an attempt to restart a child failed, supervisor would earlier keep the execution flow and try to restart the child over and over again until it either succeeded or the restart frequency limit was reached. If none of these happened, supervisor would hang forever in this loop. This commit adds a timer of 0 ms where the control is left back to the gen_server which implements the supervisor. This way any incoming request to the supervisor will be handled - which could help breaking the infinite loop - e.g. shutdown request for the supervisor or for the problematic child. This introduces some incompatibilities in stdlib due to new return values from supervisor: * restart_child/2 can now return {error,restarting} * delete_child/2 can now return {error,restarting} * which_children/1 returns a list of {Id,Child,Type,Mods}, where Child, in addition to the old pid() or 'undefined', now also can be 'restarting'.
2012-03-01Remove loops from the graph created by digraph_utils:condensation/1Hans Bolinder
The function digraph_utils:condensation/1 used to create a digraph containing loops contradicting the documentation which states that the created digraph is free of cycles. Thanks to Kostis Sagonas for finding the bug.
2012-02-24Merge branch 'uw/extending_gen' into maintGustav Simonsson
* uw/extending_gen: Add plugin support for alternative name lookup OTP-9945
2012-02-24Add the type restrictions in the code commentsRicardo Catalinas Jiménez
2012-02-24Remove trailing spacesRicardo Catalinas Jiménez
2012-02-16Merge branch 'rc/spell-registered' into maintHenrik Nord
* rc/spell-registered: Correct spelling of "registered" in various places in the source code OTP-9925
2012-02-10Removed no longer needed codeIngela Anderton Andin
2012-02-09Merge branch 'bjorn/remove-is_constant-vestiges/OTP-6454' into maintBjörn Gustavsson
* bjorn/remove-is_constant-vestiges/OTP-6454: HiPE: Remove support for is_constant/1 erl_lint: Remove handling of constant/1 erl_bif_types: Remove type for is_constant/1 erl_eval: Remove support for is_constant/1 Remove support for is_constant/1 in ms_transform Remove references to is_constant/1 from the match spec documentation
2012-02-08Deprecate the gs applicationBjörn Gustavsson
2012-02-08Mark doc_builder as removed (and not merely deprecated)Björn Gustavsson
2012-01-26erl_lint: Remove handling of constant/1Björn Gustavsson
2012-01-26erl_eval: Remove support for is_constant/1Björn Gustavsson
2012-01-26Remove support for is_constant/1 in ms_transformBjörn Gustavsson
2012-01-26erl_lint: Disallow call to is_record/3 if there is a local is_record/3Björn Gustavsson
Attempting to call is_record/3 (without an erlang: prefix) from a guard if there was a local function named is_record/3 would cause a compiler crash. For consistency with other guard tests, disallow the call. is_record/2 in a guard will still be allowed (and work correctly) even if there is a local is_record/2. It could be argued that is_record/2 should be handled in the same way as is_record/3, but changing that now could break working code.
2012-01-25Ensure that generated record operations don't call local functionsBjörn Gustavsson
Consistently use external (remote) calls to the BIFs element/2, setelement/3, and is_record/3.
2012-01-18Merge branch 'bjorn/compiler/bif-call-bug/OTP-9866' into maintBjörn Gustavsson
* bjorn/compiler/bif-call-bug/OTP-9866: erl_lint: Consistently reject local calls from guards
2012-01-17erl_lint: Consistently reject local calls from guardsBjörn Gustavsson
If a guard test (such as is_list/1) has a local definition in a module (or is imported), erl_lint will reject a call to it from a guard if the call is not at the top-level: foo(L) when is_list(L) =:= true -> %% Will be rejected. ok. is_list(_) -> ok. But if the call is at the top-level, it will be accepted (and cause a crash in a later compiler pass): foo(L) when is_list(L) -> %% Will be accepted by erl_lint ok. is_list(_) -> ok. This inconsistency was an oversight introduced when it became possible to override BIFs with local definitions.
2012-01-05stdlib: Refactor to tag all times in error loggerBjörn-Egil Dahlberg
2012-01-05stdlib: Use utc time as base in error loggerBjörn-Egil Dahlberg
* All computer time should be in utc and converted to local when needed * Previous conversion used the depcrated calendar:local_time_to_universal_time/1
2012-01-03Correct spelling of "registered" in various places in the source codeRichard Carlsson
2011-12-20Don't save child spec for temporary child if child's start func returns ignoreSiri Hansen
Supervisor should never keep child specs for dead temporary children.
2011-12-09Update copyright yearsBjörn-Egil Dahlberg
2011-12-08Deprecate the inviso applicationBjörn Gustavsson
2011-11-30Merge branch 'siri/stdlib/dialyzer-supervisor/OTP-9741'Siri Hansen
* siri/stdlib/dialyzer-supervisor/OTP-9741: Add test for upgrade of supervisor Fix dialyzer warnings in supervisor
2011-11-30Merge branch 'bjorn/deprecate-tuple-funs/OTP-9649'Björn Gustavsson
* bjorn/deprecate-tuple-funs/OTP-9649: erts: Warn the first time a tuple fun is called otp_mibs: Eliminate use of tuple fun os_mon: Eliminate use of tuple fun asn1: Eliminate use of tuple fun parsetools: Eliminate use of tuple fun mnesia tests: Eliminate use of tuple fun snmp: Eliminate use of tuple fun wrap_log_reader_SUITE: Eliminate use of tuple fun big_SUITE: Eliminate use of tuple fun file_SUITE: Eliminate use of tuple fun fprof: Eliminate use of tuple fun xref_compiler: Eliminate use of tuple fun shell: Eliminate use of tuple funs erl_eval: Eliminate use of tuple funs user_sup: Eliminate use of tuple fun
2011-11-30Merge branch 'siri/stdlib/dialyzer-log_mf_h/OTP-9754'Siri Hansen
* siri/stdlib/dialyzer-log_mf_h/OTP-9754: Fix dialyzer warning about gen_event callback init/1 in log_mf_h
2011-11-30Fix dialyzer warning about gen_event callback init/1 in log_mf_hSiri Hansen
The warning is about log_mf_h having a different spec for gen_event callback init/1 than defined in gen_event.erl. log_mf_h allows return value {error,Reason}, while gen_even only specifies successful return values. This commit add {error,Reason} as a valid return value to the gen_event callback, since this is handled by the code.
2011-11-29Fix dialyzer warnings in supervisorSiri Hansen
Dialyzer complained over a mismatch between the callback spec of Mod:code_change in gen_server and the spec of supervisor:code_change (which is the implementation of a gen_server Mod:code_change). This commit changes the callback spec to allow {error,Reason} as return value. Also, release_handler is updated to handle this return value.
2011-11-29shell: Eliminate use of tuple funsBjörn Gustavsson
2011-11-29erl_eval: Eliminate use of tuple funsBjörn Gustavsson
2011-11-28otp_internal: Deprecate ssl:pid/1Björn Gustavsson
2011-11-28Merge branch 'bjorn/compiler/options/OTP-9752'Björn Gustavsson
* bjorn/compiler/options/OTP-9752: filename documentation: Recommend against using filename:find_src/1,2 Teach filename:find_src/1,2 to handle slim or stripped BEAM files filename: Eliminate failing call to Mod:module_info(source_file) filename.erl:filter_options/1: Remove handling of dead options compiler: Don't include {cwd,_} in module_info(compile) compiler: Don't include source code options in module_info(compile) hipe: Teach hipe to handle slim or stripped BEAM files
2011-11-28Merge branch 'bjorn/major-release-cleanups'Björn Gustavsson
* bjorn/major-release-cleanups: observer tests: Test compatibility with R13, not R12 emulator tests: Test compatibility with R13, not R12 Teach the compiler the 'r14' option erl_lint: The types introduced in R12B-5 are no longer "newly introduced" otp_internal: Stop warning for functions removed in R12 or earlier Conflicts: lib/stdlib/src/otp_internal.erl
2011-11-24Teach filename:find_src/1,2 to handle slim or stripped BEAM filesBjörn Gustavsson
filename:find_src/1,2 will crash when asked to find the source corresponding to a BEAM with no compilation options. A BEAM file can be missing compilation options if it has been stripped using beam_lib:strip/1 or compiled using the undocumented 'slim' option. Why this matters: If ERL_COMPILE_OPTIONS is set to +slim before building Erlang/OTP, there will be a crash in 'igor' during the building of the public_key application. ('igor' merges several source code files, and uses filename:find_src/1,2 to find the source code.) Change filename:find_src/1,2 to return an empty option list if there are no options in the BEAM file. Noticed-by: Per Hedeland
2011-11-24filename: Eliminate failing call to Mod:module_info(source_file)Björn Gustavsson
Mod:module_info(source_file) is no longer supported (and have not been for a long time), so calling it will always fail.
2011-11-24filename.erl:filter_options/1: Remove handling of dead optionsBjörn Gustavsson
The 'trace' and 'fast' options are no longer supported. While at it, correct the comment about option filtering.
2011-11-24Merge branch 'bjorn/remove-regexp-module/OTP-9737'Björn Gustavsson
* bjorn/remove-regexp-module/OTP-9737: stdlib: Remove the deprecated regexp module
2011-11-24erl_lint: The types introduced in R12B-5 are no longer "newly introduced"Björn Gustavsson
When a new built-in type is introduced, type definitions with the same name will still be allowed for "a while".
2011-11-24otp_internal: Stop warning for functions removed in R12 or earlierBjörn Gustavsson
When a deprecated function has been removed, the compiler will issue a warning if it sees a call to it, even for functions that were removed as far back as the R9 release. Since the otp_internal module grows when new deprecated functions are added, let's reduce its size somewhat by removing information about functions that were removed in the R12 release or earlier.
2011-11-24Add plugin support for alternative name lookupUlf Wiger
OTP behaviour instances (gen_server, gen_fsm, gen_event) can currently register themselves either locally or globally, and the behaviour libraries (including gen.erl) support both addressing methods, as well as the normal Pid and {Name, Node}. However, there are alternative registry implementations - e.g. gproc - and one can well imagine other ways of locating a behaviour instance, e.g. on a node connected only via a TCP tunnel, rather than via Distributed Erlang. In all these cases, one needs to write extra code to identify the behaviour instance, even though the instance itself need not be aware of how it is located. This patch introduces a new way of locating a behaviour instance: {via, Module, Name}. Module is expected to export a subset of the functions in global.erl, namely: register_name(Name, Pid) -> yes | no whereis_name(Name) -> pid() | undefined unregister_name(Name) -> ok send(Name, Msg) -> Pid Semantics are expected to be the same as for global.erl This can be used in all places where {global, Name} is accepted. faulty export in gen_fsm_SUITE.erl await process death in dummy_via:reset() fix error in gen_[server|fsm]:enter_loop() fix documentation
2011-11-18Merge branch 'siri/sasl/upgrade-erts/OTP-9438'Siri Hansen
* siri/sasl/upgrade-erts/OTP-9438: Fix bug in erts upgrade on windows Add release vsn info to erts_vsn_changed warning Check for sasl application in systools:make_script and make_relup Add syntax check of relup to check_install_release and install_release Add documentation for upgrade from pre R15 to post R15 sasl Handle upgrade from pre R15 to post R15 sasl Step version of sasl to 2.2 for R15 Document upgrade instructions restart_new_emulator and restart_emulator Wait for two restarts in upgrade_restart test Add restart_new_emulator instruction to kernel, stdlib and sasl appups Distinguish restart_new_emulator from restart_emulator in upgrade instructions Upgrade erts: merge sys.config for tmp release instead of using old Allow regexp for version in .appup Restart emulator before running upgrade script when erts is upgraded Conflicts: lib/sasl/src/release_handler.erl lib/sasl/test/release_handler_SUITE.erl
2011-11-17Add restart_new_emulator instruction to kernel, stdlib and sasl appupsSiri Hansen
The appup files for kernel, stdlib and sasl did not contain any UpFromVsn and DownToVsn. This means that it was not possible to create a relup file with systool:make_relup if any of these applications had changed. This commit adds entries in the appup files for a maximum of two major releases back - all with only one upgrade instruction: restart_new_emulator. The point is to allow relups to be generated, but ensure that no soft upgrade is done for these three applications - i.e. they will always cause a restart of the emulator prior to all other upgrade instructions from other applications. Test cases (appup_test) are added to kernel_SUITE, stdlib_SUITE and sasl_SUITE. These all check that expected versions are matched in the appups, and illegal versions (older than two major releases, or in any other way illegal) do not match. The test is written in a general way where it is assumed that the version of these applications are stepped according the the rule that major releases step the second number, maintenance releases step the third number and patches step the fourth number.
2011-11-14Remove all use of global:safe_whereis_name/1Hans Bolinder
Calls to global:whereis_name/1 have been substituted for calls to global:safe_whereis_name/1 since the latter is not safe at all. The reason for not doing this earlier is that setting a global lock masked out a bug concerning the restart of supervised children. The bug has now been fixed by a modification of global:whereis_name/1. (Thanks to Ulf Wiger for code contribution.)
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