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'rickard/new-purge-strategy/OTP-13833' into maint
* rickard/fun-purge-bug/OTP-13809:
Fix purge of code
Reclaim literal area after purge has completed
Separate literal area from code
Conflicts:
erts/doc/src/erlang.xml
erts/emulator/beam/beam_bif_load.c
erts/emulator/beam/erl_init.c
erts/preloaded/ebin/init.beam
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Ensure that we cannot get any dangling pointers into code that
has been purged. This is done by a two phase purge. At first
phase all fun entries pointing into the code to purge are marked
for purge. All processes trying to call these funs will be suspended
and by this we avoid getting new direct references into the code.
When all processes has been checked, these processes are resumed.
The new purge strategy now also completely ignore the existence of
indirect references to the code (funs). If such exist, they will
cause bad fun exceptions to the caller, but will not prevent a
soft purge or cause a kill of a process having such live references
during a hard purge. This since it is impossible to give any
guarantees that no processes in the system have such indirect
references. Even when the system is completely clean from such
references, new ones can appear via distribution and/or disk.
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* lukas/erts/testfixes-19:
erts: Increase bif and nif call_time trace test
erts: Fix distribution_SUITE:bulk_send_bigbig on windows
erts: Ensure bs_add_overflow test has enough memory
kernel: Better explain controlling_process' tcp behaviour
kernel: Fix t_recv_delim on bsd
os_mon: Make sure to start/stop os_mon in tests correctly
ssl: Fix use_interface dist_SSL test
erl_interface: Fix signed int overflow tc bug
erts: fix atom_roundtrip_r15b tc
erts: Require more memory for debug tests
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* raimo/uds-support/OTP-13643:
Document the local (unix) address family
Remove internal state BOUND from inet_drv
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* dotsimon/erts/heart_no_kill/OTP-13650:
erts: make HEART_NO_KILL have to be set to TRUE
Don't kill old erlang if HEART_NO_KILL is set
Conflicts:
lib/kernel/doc/src/heart.xml
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This reverts commit e020f75c10410a6943cd055bfa072a2641eab7da.
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* saleyn/uds/PR-612/OTP-13572:
Rewrite inet* for address family 'local'
Rewrite inet_drv for AF_LOCAL
Assign externally open fd to gen_tcp (UDS support)
Conflicts:
erts/preloaded/ebin/prim_inet.beam
lib/kernel/doc/src/gen_tcp.xml
lib/kernel/doc/src/gen_udp.xml
lib/kernel/src/inet6_sctp.erl
lib/kernel/test/inet_SUITE.erl
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If the environment variable HEART_NO_KILL is set then
heart won't kill the old erlang process. This is desirable
if the command executed by heart takes care of this.
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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.
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This reverts commit bd64ad8e15d66e48b36dbe3584315dd5cfc8b59a.
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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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* henrik/update-copyrightyear:
update copyright-year
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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
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code:set_path/1 no longer returns {error,bad_path} (an exception
will be thrown instead).
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Language cleaned up by technical writers from Combitech.
Proofreading and corrections by Björn Gustavsson and
Hans Bolinder.
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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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* rickard/doc-fix:
Fix doc build
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* henrik/doc-fixes:
Fix typo in INSTALL.md
Update README.md
Fix typo in 'app' documentation
s/is/are
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* bjorn/multiple-load/OTP-13111:
code: Add functions that can load multiple modules
Refactor post_beam_load handling
Simplify and robustify code_server:all_loaded/1
Update preloaded modules
Add erl_prim_loader:get_modules/3
Add has_prepared_code_on_load/1 BIF
Allow erlang:finish_loading/1 to load more than one module
beam_load.c: Add a function to check for an on_load function
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Conflicts:
erts/emulator/beam/erl_alloc.types
erts/emulator/beam/erl_bif_info.c
erts/emulator/beam/erl_process.c
erts/preloaded/ebin/erts_internal.beam
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Change scheduler responsiveness to 'check_schedulers'.
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Add functions to 'code' to allow loading of multiple modules
at once.
code:atomic_load(Modules) will load all modules at once, or fail
having loaded none of them. Since we cannot guarantee the atomicity if
there are modules with -on_load functions, the list of modules must
not contain any modules with an -on_load function.
Also, to make it possible to put an application into an inactive state
for as short time as possible, also add code:prepare_loading/1 and
code:finish_loading/1. They are used like this:
{ok,Prepared} = code:prepare_loading(Modules)
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ok = code:finish_loading(Prepared)
code:ensure_modules_loaded/1 is useful as a pure optimization to
ensure that modules that will be needed soon have indeed been
loaded. It will not reload modules that have already been loaded and
it *will* accept modules that have an on_load function. Therefore, it
does not make sense to give any atomicity guarantees.
I did consider overloading the existing code:ensure_loaded/1
function, but rejected it because the return value is very
different. Having different forms of return values depending
on the types of arguments is confusing.
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* legoscia/patch-3:
Fix documentation of net_kernel:allow/1
OTP-13299
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* lukas/erts/msacc:
Update preloaded modules
erts: Make msacc alloctor type thread safe
Silence compiler
erts: Fix msacc testcase on some windowses
erts: Add power saving cpu feature tests and use them
erts: Refactor perf counter internal interface
erts: Add rdtscp instruction check
erts: Fix hrtime for windows
erts: use correct function for perf counter on non-x86
erts: Fix msacc win32 debug compile error
erts: Add microstate accounting
erts, kernel: Add os:perf_counter function
erts: Add ERTS_WRITE_UNLIKELY
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* maint:
Use nano second time unit in tracing
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* rickard/monotonic-time-improvements/OTP-13222:
Use nano second time unit in tracing
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The perf_counter is a very very cheap and high resolution timer
that can be used to timestamp system events. It does not have
monoticity guarantees, but should on most OS's expose a monotonous
time.
A special instruction has been created for this counter to further
speed up fetching it.
OTP-12908
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