Age | Commit message (Collapse) | Author |
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The previous variable names can be generated by
projects like LFE and Elixir, leading to possible
conflicts. Our first to choice to solve such conflicts
was to use $ but that's not a valid variable name in core.
Therefore we picked @ which is currently supported and
still reduces the chance of conflicts.
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Previously, this function would turn any input into a single binary
before writing. This meant it could not take advantage of the `writev`
system call if it was given a list of binaries and told to write with
`raw` mode.
To see this, start an erlang shell on the parent commit, and also
start this dtrace script:
https://github.com/evanmiller/tracewrite
like this:
sudo dtrace -s tracewrite.d -p $(pgrep beam)
In the erlang shell, run the following:
file:write_file("/tmp/tmp.txt", [<<97,98>>, <<98,97>>], [raw]).
In the dtrace output, you will see that the system call used is `write`.
Now repeat with this commit, and you will see that `writev` is used.
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* sverker/remove-nif-reload:
erts: Cuddle nif_SUITE:consume_timeslice
erts: Remove old doc note for erlang:load_nif
erts: Remove deprecated nif 'reload' feature
erts: Fix trace_nif_SUITE to load nif lib only once
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This sets the maximum queue size for the IP trace driver which is used
when tracing to shell and/or <c>{local,File}</c>.
Also, change the default queue size set by dbg:trace_port/2 to 200.
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* maint:
file_SUITE: Test file:write_file/3
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* sverker/include-erl_nif/PR-1171:
Use more correct delimiters for erl_nif.h include
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Extend file_SUITE:read_write_file/1 to test file:write_file/3
which was not tested at all.
While we are it, remove the superfluous roundtrips tests of
term_to_binary/1 and binary_to_term/1. Those BIFs are tested
in detail in other test suites (for example, binary_SUITE in
emulator_test).
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When OpenSSL has been configured with the "no-rc4" option, the header
file rc4.h doesn't exist, and neither does the rc4 functions.
Let's handle those by checking whether OPENSSL_NO_RC4 is defined.
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ERL-258
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* sverker/ets-load-factor:
erts: Unify reduction count for ets:select
stdlib: Cuddle ets_SUITE for valgrind
stdlib: Fix ets_SUITE:smp_select_delete
erts: Tweak ets grow/shrink to keep up at contention
erts: Fix ets_SUITE:memory
erts: Suppress failed ETS memory checks
erts: Reduce ets hash load factor
erts: Enable a smaller first hash segment for ets
erts: Redesign ets with separate segment tables
erts: Remove unnecessary access of 'is_resizing'
erts: Add ErtsSizeofMember macro
erts: Add ErtsContainerStruct_ for array members
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Do a simpler translation of internal BIFs.
While we are it, also remove the dummy values of Index and Uniq
from the make_fun internal operation.
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Remove the special handling #k_try{} in guards in v3_life. If we
introduce a new #k_protected{} record in v3_kernel, v3_life no longer
needs to know whether it is processing guards or bodies.
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When beam_utils was first written, it did not have the functions
for testing whether a register was not used. Those were added
later, in sort of a hacky way.
Also, is_killed*() and is_not_used*() for Y registers would
return the same answer. Fix that to make the API more consistent
(an Y register can only be killed by a deallocate/1 instruction).
We will need to change beam_trim to call beam_utils:is_not_used/3
instead of beam_utils:is_killed/3.
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During development, a bug in beam_utils caused a compiler failure
in xmerl. If the bug reappears, make sure that we catch it when
compiling the compiler test suite.
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There is no need to list every obscure safe BIF in erl_bifs:is_safe/3.
The purpose of erl_bifs:is_safe/3 is merely to warn when the
return value of one of the safe BIFs is ignored.
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The error would be:
{multiple_match_contexts,[{x,0},2]}
instead of:
{multiple_match_contexts,[{x,0},{y,2}]}
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Since the beam_a pass has always been run and have removed any
unused label, there can never be a label as the very last
instruction in a function.
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eliminate_fallthroughs/2 has special code to handle two labels next to
each other, but that does not seem to ever happen and there was one
line uncovered in is_label/1. Since inserting an extra jump between
two labels would not cause any real problems, remove the extra
handling of two consecutive labels.
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The compiler stopped using sys_pre_expand in ae3e177c514c354831.
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=== OTP-19.1 ===
Changed Applications:
- asn1-4.0.4
- common_test-1.12.3
- compiler-7.0.2
- crypto-3.7.1
- debugger-4.2.1
- dialyzer-3.0.2
- diameter-1.12.1
- edoc-0.8
- erl_docgen-0.6
- erl_interface-3.9.1
- erts-8.1
- eunit-2.3.1
- gs-1.6.2
- hipe-3.15.2
- ic-4.4.2
- inets-6.3.3
- jinterface-1.7.1
- kernel-5.1
- mnesia-4.14.1
- observer-2.2.2
- odbc-2.11.3
- parsetools-2.1.3
- reltool-0.7.2
- runtime_tools-1.10.1
- sasl-3.0.1
- snmp-5.2.4
- ssh-4.3.2
- ssl-8.0.2
- stdlib-3.1
- syntax_tools-2.1
- tools-2.8.6
- wx-1.7.1
- xmerl-1.3.12
Unchanged Applications:
- cosEvent-2.2.1
- cosEventDomain-1.2.1
- cosFileTransfer-1.2.1
- cosNotification-1.2.2
- cosProperty-1.2.1
- cosTime-1.2.2
- cosTransactions-1.3.2
- eldap-1.2.2
- et-1.6
- megaco-3.18.1
- orber-3.8.2
- os_mon-2.4.1
- otp_mibs-1.1.1
- percept-0.9
- public_key-1.2
- typer-0.9.11
Conflicts:
OTP_VERSION
lib/gs/doc/src/notes.xml
lib/gs/vsn.mk
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Anywhere but the beam sources we shouldn't #include "erl_nif.h", because
what "erl_nif.h" does is: (1) fail to find it outside of -I dirs, (2)
then treat it as if it was written like <erl_nif.h>. Using <erl_nif.h>
skips (1).
More information can be found in 6.10.2 of the C standard.
Because the examples use "erl_nif.h", NIF projects in the Erlang
ecosystem copy this verbatim and make the same mistake.
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to be per object as the other select-variants
and not per table slot.
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no point in checking table load as select_delete does
not shrink.
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by simply asking for the size of struct ext_segtab
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due to the grow/shrink hysteresis of the meta tables
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for faster lookup/insert/delete
at the expense of about one word per object.
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* Keep it simple(r)
* To prepare for both dynamic sized segments and segtabs
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in tables without write_concurrency
and remove it totally #ifndef ERTS_SMP
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(in case it matters)
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Handler process should exit normal if manager process has been terminated
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When user defined SSH shell REPL process exits with reason normal
SSH channel callback module should report successful exit status
to the SSH client. This provides simple way for SSH clients to check
for successful completion of executed commands.
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Test that when used defined shell REPL exit with reason normal
SSH client receives exit status 0.
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and instead let erlang:load_nif/2 return {error, {reload, _}}
before even trying to load the library
if a NIF library has already been successfully loaded
for the calling module instance.
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