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The counters are only used in the special 'icount' emulator.
We will save some memory by including the counters in the
OpEntry. It will also make it possible to make opc 'const'.
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Mark the preloaded code 'const' to allow the compiler to put it into
the 'text' segment instead of into the 'data' segment. Since the
'text' segment is shared among all instances of the Erlang virtual
machine, this change could potentially reduce memory consumption
(slightly).
Before the change:
$ size bin/x86_64-unknown-linux-gnu/beam.smp
text data bss dec hex filename
2920246 352273 158472 3430991 345a4f bin/x86_64-unknown-linux-gnu/beam.smp
After the change:
$ size bin/x86_64-unknown-linux-gnu/beam.smp
text data bss dec hex filename
3081046 191473 158472 3430991 345a4f bin/x86_64-unknown-linux-gnu/beam.smp
Roughly speaking, this change cuts the size of the data segment in half.
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* rickard/mach-clock-fix/OTP-13686:
Fix mach clock usage on Sierra
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* lukas/erts/nif_allow_port_command_in_non_sched_thread/OTP-13442:
erts: Allow enif_port_command in non-sched thread
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Yes this is an ugly workaround. One approach for a better
solution could be to introduce an internal secret atom
tagged as an atom with a unique index, but impossible
to find by string hash lookup/insert.
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* egil/erts/fix-runnable_proc-race/OTP-13675:
erts: Fix profile runnable processes race
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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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This makes the time that the tests execute longer, which means
that on systems with low resolution on timers (e.g. windows)
the test is less likely to fail.
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The granualarity of the windows time sometimes makes timer:tc
return 0 as the time taken for the test. Change this to use
the most common time instead.
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if node fails to start, just skip testcase
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* dotsimon/erts/heart_no_kill/OTP-13650:
erts: Fix HEART_NO_KILL logic
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It has to be possible to send trace messages to a port
from non-schedulers threads (specifically from the
sys_msg_dispatcher).
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* egil/erts/fix-xmllint:
erts: Fix erl_nif.xml xmllint errors
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* hasse/dialyzer/improve_from_form/OTP-13547:
Update primary bootstrap
stdlib: Correct types and specs
dialyzer: Minor adjustments
dialyzer: Suppress unmatched_return for send/2
dialyzer: Improve the translation of forms to types
dialyzer: Use a cache when translating forms to types
dialyzer: Prepare erl_types:t_from_form() for a cache
dialyzer: Optimize erl_types:t_form_form()
dialyzer: Correct types
syntax_tools: Correct types
erts: Correct character repr in doc of the abstract format
stdlib: Correct types and specs
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* kvakvs/erts/monitor_port/OTP-11384:
erts: Add port monitors
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* erlang:monitor/2 with port argument is added, erlang:demonitor, using port task API and avoiding locking;
* port_info and process_info support for monitored ports (with named port monitors support);
* Exit signals contain type 'process' or 'port';
* Propagation of port exit signals;
* Self-cleaning when origin process dies with monitor on;
* 8 test cases + testcase for port driver crashing;
* Documentation for all of the above (monitor, demonitor, port_info and process_info) updated
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A fix for running 19.0-rc2 on FreeBSD with HiPE enabled.
* erl_mmap.h: disregard MAP_NORESERVE for FreeBSD
MAP_NORESERVE is undefined in FreeBSD 10.x and later.
This is to enable 64bit HiPE experimentally on FreeBSD.
Note that on FreeBSD MAP_NORESERVE was "never implemented"
even before 11.x (and the flag does not exist in /usr/src/sys/vm/mmap.c
of 10.3-STABLE r301478 either), and HiPE was working on OTP 18.3.3,
so mandating MAP_NORESERVE on FreeBSD might not be needed.
See the following message on how MAP_NORESERVE was treated on FreeBSD:
<http://lists.llvm.org/pipermail/cfe-commits/Week-of-Mon-20150202/122958.html>
* erl_mmap.c: disable MAP_NORESERVE for FreeBSD
* See also <https://github.com/erlang/otp/pull/925/commits/b02ce940c8738785ad018c9f758ca0d05d256bbb>
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* egil/fix-simple-crashdump-with-maps/OTP-13657:
erts: Don't crash on maps on crash dumps
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* egil/lttng-change-domain:
runtime_tools: Change LTTng dyntrace domain
erts: Change LTTng otp domain
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Barklund's and Virding's spec states that character literals are
represented by {integer, Line, L}. The copy-and-paste bug is fixed the
description of the abstract format.
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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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- Large Maps could cause a stack overrun during crash dump generation.
- This is a simple workaround until a solution has been implemented.
- The error has no impact on a running system.
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* rickard/misc-ds:
Replace enif_is_on_dirty_scheduler() with enif_thread_type()
No GC on dirty IO schedulers
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This reverts commit 7c133fb1094ad1cabbb5cfc157483a43c816c6a9.
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This reverts commit f4bdac18cb9dd45185e911308a5ebd95ff10d7fd.
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From 'com_ericsson_otp' to 'org_erlang_otp'.
This domain name is more suitable.
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* zandra/test_server/unmatched_returns/OTP-13345:
vts - Fix unmatched_return warnings
test_server_sup - Fix unmatched_return warnings
test_server_node - Fix unmatched_return warnings
test_server_io - Fix unmtached_return warnings
test_server_gl - Fix unmatched_return warnings
test_server_ctrl - Fix unmatched_return warnings
test_server - fix unmatched_return warnings
remove unused purify functions
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