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This reverts commit 0118046f9bda8dcf3594184fa439b79267db8017.
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* sverker/bug-fixing:
erts: Fix erts_debug:set_internal_state(reds_left)
erts: Fix binary_SUITE:cmp_old_impl
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to avoid failed ERTS_DBG_CHK_REDS by clearing virtual_reds.
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'lukas/erts/fragment-dist-messages/OTP-13397/OTP-15610/OTP-15611/OTP-15612/OTP-15613/OTP-15703'
* lukas/erts/fragment-dist-messages/OTP-13397/OTP-15610/OTP-15611/OTP-15612/OTP-15613/OTP-15703: (26 commits)
erts: Yield when exiting/free process is suspended by de
doc: Fix Design Princ, statem incorrect anchor
erts: Include external msg in need of GC
erts: Include dist header in return from dist_ctrl_get_data
erts: Fix so that exit/down terms stay alive
erts: Pending signals can be for free processes
erts: Fix faulty assert in reference_table_term
etp: Don't crash etp-stack* when c_p->i is null
erts: Adjust dist obuf size correctly after hdr fin
erts: Fix non-payload dist exit signals
erts: Always do trylock on proc locks when crash dumping
Fix tests to work better in debug emulator
erts: erts_factory_proc_init should not set hole marker
erts: Skip heavy process tab tests in debug emu
ts: Use same dynlinking logic for all bsd
Revert "erts: Always run fds check after each testcase"
erts: Always run fds check after each testcase
erts: Always stop any testnodes before testcase exits
erts: Add crash dumping of EXITING and FREE processes
wx: Remove ERL_FLAGS from Makefile erlc command
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When many external messages suddenly appear in the mailbox
the young gen size is adjusted accordingly but it was
immediately shrunk as the data was not counted towards the
shrink size. This commit includes the ext dist size in the
shrink calculation which means that the decode of the external
messages will not trigger as many GCs which means much better
performance.
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When the GC is run or the link/monitor node is deleted,
the terms associated with it will also be deallocated
so we have to make sure that we don't do any GCs and that
all link/monitor nodes are copied onto the heap before
the node is deallocated.
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Since we no schedule free processes multiple times, pending
signals can be from free as well as current processes.
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When interacting with jinterface and erl_interface
the old dist messages are used and they incorrectly
used the external data.
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Setting the hole marker in debug on the entire heap is very slow
so instead we do it in erts_produce_heap.
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This reverts commit f4c121b1d98bf3db7e6eecbb9fb5b292f2bc3bb0.
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* sverker/enable-big-creation/OTP-15603:
epmd: Support 32-bit creation values in local node
erts: Robustify epmd reply function
erts: Reject decoded local refs with too large first word
erts: Fix bug in list_to_ref
erl_interface: Remove old encoding of pid,port,refs
erts: Remove old encoding of pids, ports and refs
erts: Make DFLAG_BIG_CREATION mandatory
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* Increase distribution version from 5 to 6
* Introduce new ALIVE2_X_RESP with 32-bit creation
as reply to ALIVE2_REQ when sender dist version >= 6
* Still reply old ALIVE2_RESP with tiny creation 1..3
if sender dist version < 6.
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First word must be less than (1 bsl 18) for local refs.
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This commit suppresses the following warning in gcc 4.8.2:
In file included from beam/bif.c:33:0:
beam/bif.c: In function ‘iolist_size_1’:
beam/bif.h:332:14: warning: ‘state_mref’ may be used uninitialized in this function [-Wmaybe-uninitialized]
reg[0] = (A0); \
^
beam/bif.c:2464:11: note: ‘state_mref’ was declared here
Eterm state_mref;
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Before 2d2e78ad6e66 that introduced tail-recursive calls of BIFs, the
stack was guaranteed not to be empty when `erlang:raise/3` was called
from the `catch` block of a `try` (because the `try` had set up a
stack frame that would be deallocated after the `raise` call).
Now the stack can be empty, so the ASSERT() call in next_catch()
that checks that there is a continuation pointer at the top of
the stack may fail.
Move the ASSERT() call to after check for empty stack.
While at it, also add a comment of the reason for the assertion.
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* john/erts/fix-badarg-fixed_apply:
erts: Include argument list on badarg in fixed_apply
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* sverker/master/enif_whereis_pid-dirty-dtor:
erts: Add test of enif_whereis* from resource destructor
erts: Simplify nif_SUITE:nif_whereis* tests
erts: Schedule resource destructors always
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Always encode with 32-bit creation value.
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maint-21
* max-au/erts/dirty_scheduler_shutdown/PR-2172/OTP-15690:
erts: release dirty runqueue lock before entering endless loop when BEAM is shutting down
# Conflicts:
# erts/emulator/beam/erl_process.c
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* maint:
Fix reception of resume signal on process executing dirty
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* rickard/dist_ctrl_get_data/OTP-15617:
Testing of the example gen_tcp_dist module
Add possibility to also get size of data from erlang:dist_ctrl_get_data()
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Tune BEAM instructions for the new compiler (part 3)
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* max-au/erts/dirty_scheduler_shutdown/PR-2172/OTP-15690:
erts: release dirty runqueue lock before entering endless loop when BEAM is shutting down
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shutting down
This patch fixes a problem happening when BEAM is shutting down. It is possible for a dirty scheduler to take the lock, and keep it, when the system is shutting down. It may also happen that a normal scheduler decides to schedule some dirty job (example is major garbage collection that results in migrating the process into dirty CPU queue), and hangs trying to take the lock that will never be released.
To fix the problem, either release the lock before entering endless wait loop, or reverse the order in which schedulers are stopped. Either fix works, and, of course, it works even better to apply both.
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If a suspend/resume signal pair was sent to a process while it
was executing dirty the resume counter on the process got into
an inconsistent state. This in turn could cause the process
to enter a suspended state indefinitely.
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Introduce move_src_window[234] instructions for moving several
consecutively numbered Y registers to discontiguously numbered X
registers. This optimization is effective because the compiler has
sorted the `move` instructions in Y register order.
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into sverker/master/enif_whereis_pid-dirty-dtor
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to run user NIF code in a more known execution context.
Fixes problems like user calling enif_whereis_pid() in destructor
which may need to release process main lock in order to lock reg_tab.
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move_dup is used very infrequently.
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With the new compiler, it has become less common with a
move to x(0) before a jump. Change the move_jump instruction
to take a destination as well as a source.
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