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* josevalim/supervisor-get-callback-module/PR-1000/OTP-13619:
Return callback module in supervisor format_status
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The previous implementation of supervisor:get_callback_module/1
used sys:get_status/1 to get the supervisor inner state and
retrieve the callback module. Such implementation forbids any
other supervisor implementation that has an internal state
different than the #state{} record in supervisor.erl.
This patch allows supervisors to return the callback module
as part of the sys:get_status/1 data, no longer coupling the
callback module implementation with the inner #state{} record.
Notice we have kept the clause matching the previous
sys:get_status/1 reply for backwards compatibility purposes.
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This reverts commit e020f75c10410a6943cd055bfa072a2641eab7da.
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This reverts commit bd64ad8e15d66e48b36dbe3584315dd5cfc8b59a.
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* raimo/new-gen-state-machine/OTP-13065: (52 commits)
Add section on state filtering
Promote gen_statem over gen_fsm
Modify code_change/4 to return CallbackMode
Use ?NAME macro in examples
Introduce Fred Herbert suggested additions
Introduce corrections from Fred Hebert and Ingela
Use .png pictures instead of .gif
Write Design Principles chapter
Fix missing short forms for event timeout
Do more intricate Fred Hebert doc changes
Change Caller -> From as suggested by Fred Hebert
Do documentation improvements from Fred Hebert
Fix broken documenation reference
Rename state_timeout -> event_timeout
Fix most of the system docs and emacs mode
Change code_change/4 to {ok,State,Data}
Fixup sharpened test suite
Sharpen test suite
Remove the remove_event action and all alike
Relax caller() type check and cleanup
...
Conflicts:
lib/stdlib/src/gen.erl
lib/stdlib/src/gen_event.erl
lib/stdlib/src/gen_fsm.erl
lib/stdlib/src/gen_server.erl
lib/stdlib/test/error_logger_forwarder.erl
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Windows 8 and later have stronger admin checks which requires
erlang to run in privileged shells, ignore for now.
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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
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* siri/otp-19-vsns:
Update version of common_test for OTP-19
Update versions
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* henrik/update-copyrightyear:
update copyright-year
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Update application versions for kernel, stdlib and sasl for OTP-19.
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* siri/cuddle-master:
Update sasl/test/test_lib.hrl with recent versions of kernel and stdlib
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Add commonly used modules to the list of modules in
mandatory_modules/0. Having those modules listed will potentially
help the 'init' module to load them in parallel during start-up.
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"Old" versions are now taken from OTP-18.0, i.e. one major revision
back from OTP-19.
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=== OTP-18.3 ===
Changed Applications:
- asn1-4.0.2
- common_test-1.12
- compiler-6.0.3
- cosNotification-1.2.1
- cosTime-1.2.1
- cosTransactions-1.3.1
- crypto-3.6.3
- debugger-4.1.2
- dialyzer-2.9
- diameter-1.11.2
- edoc-0.7.18
- eldap-1.2.1
- erl_docgen-0.4.2
- erl_interface-3.8.2
- erts-7.3
- eunit-2.2.13
- hipe-3.15
- inets-6.2
- kernel-4.2
- mnesia-4.13.3
- observer-2.1.2
- orber-3.8.1
- public_key-1.1.1
- runtime_tools-1.9.3
- sasl-2.7
- snmp-5.2.2
- ssh-4.2.2
- ssl-7.3
- stdlib-2.8
- test_server-3.10
- tools-2.8.3
- webtool-0.9.1
- wx-1.6.1
- xmerl-1.3.10
Unchanged Applications:
- cosEvent-2.2
- cosEventDomain-1.2
- cosFileTransfer-1.2
- cosProperty-1.2
- et-1.5.1
- gs-1.6
- ic-4.4
- jinterface-1.6.1
- megaco-3.18
- odbc-2.11.1
- os_mon-2.4
- ose-1.1
- otp_mibs-1.1
- parsetools-2.1.1
- percept-0.8.11
- reltool-0.7
- syntax_tools-1.7
- typer-0.9.10
Conflicts:
OTP_VERSION
erts/vsn.mk
lib/test_server/doc/src/notes.xml
lib/test_server/vsn.mk
lib/webtool/doc/src/notes.xml
lib/webtool/vsn.mk
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The reason is that the module is not used, and that we se no obvious
use case for it.
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Cleanliness.
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Since no test suites includede test_server.hrl, there is no need
to have test_server in the include path or code path.
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As a first step to removing the test_server application as
as its own separate application, change the inclusion of
test_server.hrl to an inclusion of ct.hrl and remove the
inclusion of test_server_line.hrl.
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Conflicts:
lib/stdlib/src/supervisor.erl
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* nybek/speed_up_supervisor_count_children:
Speed up supervisor:count_children/1; simple_one_for_one
Add supervisor:get_callback_module/1
OTP-13290
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Speed up supervisor:count_children/1 for simple_one_for_one
supervisors. This is achieved by avoiding looping through all the
child process and verifying that each one is alive.
For a supervisor with 100,000 'temporary' children the count-time will
drop from approx 25ms to about 0.005ms.
For a supervisor with 100,000 'permanent' or 'transient' children the
count-time will drop from approx 30ms to about 0.005ms.
This avoids having the supervisor block for an extended period while
the count takes place. Under normal circumstances the accuracy of the
result should also improve since the duration is too short for many
processes to die during the count.
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This function is used by release_handler during upgrade. This was
earlier implemented in the release_handler, but it required a copy og
the definition of the supervisor's internal state, which caused
problems when this state was updated.
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When release_handler_1:get_supervised_procs/0 does a recursive walk of
the supervision tree, it calls sys:get_status/1 on supervisors, to check
if they are suspended or running.
This fixes a race condition where a list of supervisor pids is gathered,
one of them (legitimately) exits before release_handler can examine it,
then sys:get_status/1 is called with a dead pid, causing an exit(noproc)
See: http://erlang.org/pipermail/erlang-questions/2015-August/085712.html
(To recreate this problem for testing, I added a timer:sleep into the
release_handler_1 code, and killed a supervisor during
get_supervised_procs being called).
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Conflicts:
lib/stdlib/src/otp_internal.erl
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as a system process with preloaded code.
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The module is deprected and will be removed in OTP 19. The reason is
that the module is not used, and that we se no obvious use case for
it.
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=== OTP-18.2 ===
Changed Applications:
- asn1-4.0.1
- common_test-1.11.1
- compiler-6.0.2
- crypto-3.6.2
- dialyzer-2.8.2
- diameter-1.11.1
- erl_docgen-0.4.1
- erl_interface-3.8.1
- erts-7.2
- eunit-2.2.12
- hipe-3.14
- inets-6.1
- jinterface-1.6.1
- kernel-4.1.1
- observer-2.1.1
- parsetools-2.1.1
- public_key-1.1
- runtime_tools-1.9.2
- sasl-2.6.1
- snmp-5.2.1
- ssh-4.2
- ssl-7.2
- stdlib-2.7
- test_server-3.9.1
- tools-2.8.2
- typer-0.9.10
- wx-1.6
- xmerl-1.3.9
Unchanged Applications:
- cosEvent-2.2
- cosEventDomain-1.2
- cosFileTransfer-1.2
- cosNotification-1.2
- cosProperty-1.2
- cosTime-1.2
- cosTransactions-1.3
- debugger-4.1.1
- edoc-0.7.17
- eldap-1.2
- et-1.5.1
- gs-1.6
- ic-4.4
- megaco-3.18
- mnesia-4.13.2
- odbc-2.11.1
- orber-3.8
- os_mon-2.4
- ose-1.1
- otp_mibs-1.1
- percept-0.8.11
- reltool-0.7
- syntax_tools-1.7
- webtool-0.9
Conflicts:
OTP_VERSION
erts/vsn.mk
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* siri/appups-18.2:
Update appups in kernel, stdlib and sasl for OTP-18.2
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* siri/sasl-vsn-OTP-18.1:
Update sasl vsn to 2.6
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