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2016-05-31Merge branch 'egil/erts/cuddle-tests'Björn-Egil Dahlberg
* egil/erts/cuddle-tests: stdlib: Fix small inconsistencies in ets_SUITE stdlib: Strengthen or relax test cases kernel: Don't test negative time values in file info erts: Fix free_mem calculation in bs_construct tests
2016-05-27kernel: Don't test negative time values in file infoBjörn-Egil Dahlberg
2016-05-27Merge branch 'richcarl/erts/fix-init-stop/PR-911/OTP-13630/OTP-13631'Sverker Eriksson
2016-05-27Merge branch 'legoscia/erts/epmd-module-option/OTP-13627'Lukas Larsson
* legoscia/erts/epmd-module-option/OTP-13627: Add tests for -start_epmd and -epmd_module options Use the -epmd_module flag consistently Add -start_epmd command line option
2016-05-25Use the -epmd_module flag consistentlyMagnus Henoch
If the -epmd_module flag has been specified on the command line, use that module to register and look up node names instead of the default, erl_epmd. Also document this option.
2016-05-20Make inet:gethostbyname respect resolver option `inet6`Daniel Sommermann
This makes the implementation text of inet:gethostbyname/1 identical to that of inet_res:gethostbyname/1. I also copied over the doc note about this resolver option.
2016-05-20Add testcase for init:stop/1 statusRichard Carlsson
2016-05-18Merge branch 'hasse/erl_docgen/datatype_anchors/OTP-13600/ERL-141'Hans Bolinder
* hasse/erl_docgen/datatype_anchors/OTP-13600/ERL-141: kernel: Remove no longer needed anchors in documentation stdlib: Remove no longer needed anchors in documentation erts: Remove no longer needed anchors in documentation erl_docgen: Add anchors to datatypes without name attribute
2016-05-17kernel: Remove no longer needed anchors in documentationHans Bolinder
2016-05-16Tolerate bad directories in the code pathBjörn Gustavsson
A bad directory in the path would prevent the run-time system from starting: $ echo >foobar $ erl -pa foobar {"init terminating in do_boot",{load_failed,[supervisor,kernel,gen_server,file_io_server,filename,file,erl_parse,error_logger,code_server,erl_lint,proc_lib,code,application_controller,application_master,gen_event,application,error_handler,lists,heart,gen,file_server,ets,erl_eval]}} Crash dump is being written to: erl_crash.dump...done init terminating in do_boot () The reason is that when attempting to read each of the BEAM files, there would be an 'enotdir' error which erl_prim_load:get_modules/2,3 assumed was a fatal error. Update erl_prim_load:get_modules/2,3 to ignore any error and try the next directory in the path. Reported-by: http://bugs.erlang.org/browse/ERL-142 Reported-by: Michael Truog
2016-05-12Revert "Prepare release"Erlang/OTP
This reverts commit bd64ad8e15d66e48b36dbe3584315dd5cfc8b59a.
2016-05-11Prepare releaseErlang/OTP
2016-05-04Merge branch 'bjorn/fix-on_load/OTP-12593'Björn Gustavsson
* bjorn/fix-on_load/OTP-12593: Update documentation regarding improvements Correctly handle multiple load attempts when on_load is pending Avoid deadlock when an on_load function makes an external call to the module itself code_server: Eliminate unnecessary Tag in handle_call/3 Reimplement -on_load() Refactor erts_finish_loading() and insert_new_code() code_SUITE: Make on_load_binary/1 clearer by using merl
2016-05-04Correctly handle multiple load attempts when on_load is pendingBjörn Gustavsson
If an on_load function had not yet returned, the code server would only correctly handle calls to code:ensure_loaded/1. That is, each process that called code:ensured_loaded/1 for the module in question would be suspended until the on_load function had returned. The code server handled calls to code:load_binary/1, code:load_file/1, and code:load_abs/1 in the same way as for code:ensure_loaded/1. That means that if call to one those functions attempted to load *different* code for the module, that code would not get loaded. Note that code:finish_loading/1 (code:atomic_load/1) will still return {error,pending_on_load} if there is a pending on_load function for one of the modules that are about to be loaded. The reason is that code:finish_loading/1 is meant to either succeed directly, or fail quickly if there is any problem.
2016-05-04Avoid deadlock when an on_load function makes an external call to the module ↵Björn Gustavsson
itself
2016-05-04code_server: Eliminate unnecessary Tag in handle_call/3Björn Gustavsson
For historical reasons, the second argument in handle_call/3 is {Pid,Tag}. The tag is always 'call' and is never used.
2016-05-04Reimplement -on_load()Björn Gustavsson
Load the module as old code; swap old and new code if the -on_load function succeeds. That way, a failed update attempt for a module that has an -on_load function will preserve the previous version of the code.
2016-05-04Merge branch 'legoscia/dist-shutdown-reasons/PR-1028/OTP-13458'Zandra
* legoscia/dist-shutdown-reasons/PR-1028/OTP-13458: Error reasons for more distribution errors
2016-05-04Merge branch 'zandra/optimize-rpc/OTP-13518'Zandra
* zandra/optimize-rpc/OTP-13518: use maps instead of gb_trees to optimize the rpc server let the spawned processes handle rpc replies Conflicts: lib/runtime_tools/test/dbg_SUITE.erl
2016-05-04Merge branch 'zandra/erl_distribution_SUITE-cuddle'Zandra
* zandra/erl_distribution_SUITE-cuddle: update monitor_nodes_otp_6481_test-we only guarantee message order increase timeout since the old one risked flapping test remove no_msg timeout, since its not needed and cause flapping
2016-05-03Merge branch 'lukas/erts/tracing/misc_fixes/OTP-13503'Lukas Larsson
* lukas/erts/tracing/misc_fixes/OTP-13503: erts: Add test for new procs trace with spawn_link kernel: Remove seq_trace event order dep in tc erts: Add tests for set on link tracing erts: Expand trace tests for refc binaries erts: Remove erl_tracer with invalid state erts: Remove some dead code erts: Fix broken doc link to erl_tracer Conflicts: erts/emulator/beam/erl_trace.c
2016-05-02code_SUITE: Make on_load_binary/1 clearer by using merlBjörn Gustavsson
2016-05-02use maps instead of gb_trees to optimize the rpc serverZandra
2016-05-02let the spawned processes handle rpc repliesZandra
This decreases the load on the rex server.
2016-04-30Introduce is_dir/1 to test for a directoryBjörn Gustavsson
2016-04-30Introduce split_base/1 to split into name and version stringBjörn Gustavsson
2016-04-29Eliminate one call to filename:split/1Björn Gustavsson
2016-04-29Refactor get_name/1Björn Gustavsson
Refactor get_name/1 to facilitate an optimization in the next commit.
2016-04-29Clean up make_path()Björn Gustavsson
make_path() returns a tuple whose second element is not used by any of its caller. Eliminate the tuple. Also avoid calling filename:dirname/1 when we already have the result stored in a variable, and avoid calling filename:basename/2 on a complete path when we already have the last part of the pathname stored in a variable.
2016-04-29Avoid calling absname/1 on an absolute pathBjörn Gustavsson
absname/1 is quite expensive, so we should not call if we already have a normalized absolute path.
2016-04-29Clean up processing of archive filesBjörn Gustavsson
The same filtering of sub directories is done in archive_subdirs/1 and try_archive_subdirs/1. Actually, archive_subdirs/1 does nothing useful. It can be removed and all_archive_subdirs/1 can be renamed to archive_subdirs/1. In try_archive_subdirs/1, we can also replace filename:join/1 with the cheaper filename:append/1, since we know that pathnames have already been normalized.
2016-04-29Simplify and speed up del_ebin/1Björn Gustavsson
It is faster and easier to use filename:split/1 and filename:join/1 than use four different 'filename' operations. Each call in the original call first flattens the input list, and then traverse the entire string to the end. So there are roughly 8 complete traversals. In comparison, filename:split/1 will traverse the input string twice (once to flatten, once to split) and filename:join/1 once. For background on why this optimization is worthwhile, here is the result of profiling the start-up of the run-time system on my computer (done before this optimization): $ $ERL_TOP/bin/erl -profile_boot . . . filename:join1/4 - 13573 : 13805 us erlang:finish_loading/1 - 27 : 19963 us filename:do_flatten/2 - 29337 : 49518 us erlang:prepare_loading/2 - 49 : 52270 us Note that filename:do_flatten/2 ends up in second place, almost as expensive as erlang:prepare_loading/2. Your mileage may vary, depending on the length of $ERL_TOP and the number of extra directories added to the path using $ERL_LIBS.
2016-04-29code_SUITE: Enhance test of archive filesBjörn Gustavsson
When using a code archive for an application, it should be possible to store some directories for the application outside of the archive file (for example, shared libraries that will not work inside an archive). Make sure that we test that a directory outside of the archive file really works.
2016-04-26Update global_group_SUITE.erlxuming
2016-04-26Fix global_group.erlxuming
2016-04-26kernel: Remove seq_trace event order dep in tcLukas Larsson
2016-04-25Error reasons for more distribution errorsMagnus Henoch
Add descriptive shutdown reasons when an incoming distribution connection is rejected because it is not on the "allowed" list or because it has an incorrect cookie. These error reasons can be seen after calling net_kernel:verbose(1). Distinguishing these failures is valuable, because the log message printed is otherwise identical.
2016-04-25update monitor_nodes_otp_6481_test-we only guarantee message orderZandra
Messages can be lost, but the order is guaranteed. This change weakens the test, but does it according to our guarantees.
2016-04-15erts: Implement tracer modulesLukas Larsson
Add the possibility to use modules as trace data receivers. The functions in the module have to be nifs as otherwise complex trace probes will be very hard to handle (complex means trace probes for ports for example). This commit changes the way that the ptab->tracer field works from always being an immediate, to now be NIL if no tracer is present or else be the tuple {TracerModule, TracerState} where TracerModule is an atom that is later used to lookup the appropriate tracer callbacks to call and TracerState is just passed to the tracer callback. The default process and port tracers have been rewritten to use the new API. This commit also changes the order which trace messages are delivered to the potential tracer process. Any enif_send done in a tracer module may be delayed indefinitely because of lock order issues. If a message is delayed any other trace message send from that process is also delayed so that order is preserved for each traced entity. This means that for some trace events (i.e. send/receive) the events may come in an unintuitive order (receive before send) to the trace receiver. Timestamps are taken when the trace message is generated so trace messages from differented processes may arrive with the timestamp out of order. Both the erlang:trace and seq_trace:set_system_tracer accept the new tracer module tracers and also the backwards compatible arguments. OTP-10267
2016-04-15Merge branch 'paulgray/inet_db_fix/PR-949/OTP-13470'Raimo Niskanen
* paulgray/inet_db_fix/PR-949/OTP-13470: Fix start timestamp instead of time check Allow to refresh resolver settings on startup
2016-04-13Merge branch 'siri/otp-19-vsns'Siri Hansen
* siri/otp-19-vsns: Update version of common_test for OTP-19 Update versions
2016-04-13Merge branch 'henrik/update-copyrightyear'Henrik Nord
* henrik/update-copyrightyear: update copyright-year
2016-04-07erts: Add DFLAG_BIG_CREATIONSverker Eriksson
to let future nodes know that we can handle NEW_PID_EXT, NEW_PORT_EXT and NEWER_REFERENCE_EXT.
2016-04-07Merge branch 'bjorn/kernel/rpc-pinfo/ERL-124/OTP-13460'Björn Gustavsson
* bjorn/kernel/rpc-pinfo/ERL-124/OTP-13460: Update spec for rpc:pinfo/2
2016-04-07Update spec for rpc:pinfo/2Björn Gustavsson
rpc:pinfo/2 is documented as a location-transparent version of process_info/2. Therefore, it should be expected that the spec would allow calls with an item list, for example: rpc:pinfo(Pid, [initial_call,last_calls]) Report-URL: http://bugs.erlang.org/browse/ERL-124 Reported-by: bjfish
2016-04-06Merge branch 'egil/erts/fix-file_info/OTP-13478'Björn-Egil Dahlberg
* egil/erts/fix-file_info/OTP-13478: Don't check dates before 1970 Log additional test information in prim_file_SUITE Relax file_info tests Refactor time_t in efile_drv
2016-04-06Fix start timestamp instead of time checkRaimo Niskanen
Verify with: erl -noshell -eval 'io:write(inet_res:lookup("localhost",in,a)),io:nl(),init:stop().' Prints: [{127,0,0,1}] Without this correction you will get [] on a hostname that works later after system start.
2016-04-05increase timeout since the old one risked flapping testZandra
2016-04-05remove no_msg timeout, since its not needed and cause flappingZandra
2016-04-04Merge branch 'bjorn/kernel/remove-deprecated/OTP-13449'Björn Gustavsson
* bjorn/kernel/remove-deprecated/OTP-13449: rpc: Remove functions deprecated in R12B