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* ia/ssh/improve_docs:
ssh: Move code example to Users Guide
ssh: Keep dependency info in only one place
ssh: Add links
ssh: Align to alphabetic order
ssh: Change wording to become accurate
ssh: Remove extra whitespace
ssh: Corrected information about error and event logging
ssh: Remove legacy statement
ssh: Technically correct description
Editorial updates
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* i_rem specialization on x registers
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* i_band specialization on x registers and constants
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check (nbytes == 0 && d->c.sendfile.nbytes == 0) when efile_sendfile returns 0 and
has EAGAIN set.
FreeBSD sendfile(2) man page:
When using a socket marked for non-blocking I/O, sendfile() may send
fewer bytes than requested. In this case, the number of bytes
successfully written is returned in *sbytes (if specified), and the error
EAGAIN is returned.
The number of bytes successfully written can be 0. If this happens and
in a request handling either file:sendfile/2 or file:sendfile/5 with Bytes=0,
the sendfile loop will stop prematurely and file:sendfile will return
{ok, BytesSent} where BytesSent < DataAfterOffset, effectively breaking sendfile
support on FreeBSD.
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May lessen load/store latency.
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This patch fixes a bug that causes an SFTP connection to always fail
when {timeout, Timeout} option is used with
ssh_sftp:start_channel. The bug is that the version negotiation timer
is not cancelled upon reception of SSH_FXP_VERSION.
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A type error caused the optimization to never kick in.
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Move an entire region of x registers to the stack.
This reduces the dispatch pressure of move instructions.
Also introduce a move2 specialization for some common move patterns:
move r y | move x y -> move2 : As above, moving regions to the stack
move x r | move x y -> move2 : A seemingly common pattern
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* i_is_lt for r, x registers and constants
* i_is_ge for x registers and constants
* i_is_exact_eq for r and x registers
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Some examples had encountered the space eater.
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The fault/1,2 BIF was removed a long time ago.
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When merging two states, the following fields should be merged
between the states: #st.x, #st.y, #st.numy, #st.ct. Everything
else should be set to the default values in a new state.
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When merging y registers, only the y registers that are found in
both states should be retained.
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Conflicts:
OTP_VERSION
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Also added some links
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SSH application
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This fixes arity 4 BIF support in HiPE, following its introduction
on master (OTP 18) via the nox/ets-update_counter-4 merge.
- define standard_bif_interface_4, nbif_4_gc_after_bif, and
nbif_4_simple_exception on ARM: unbreaks the build on ARM
- remove bogus stack re-alignment from standard_bif_interface_4
on AMD64: for 4-arg BIFs the stack is already aligned, and the
code would misalign the C stack which violates the ABI and may
cause alignment faults in vectorized code
- the nbif_4_simple_exception OPD name on PPC64 was incorrectly
using the nbif_3_simple_exception OPD name: this would have
caused a multiple definition error in the assembler or linker
In addition there are a few cleanups:
- fix standard_bif_interface_N comment on x86
- fix standard_bif_interface_4 comment on SPARC
- separate nbif_N_simple_exception blocks by empty lines on PPC,
like on ARM, to clearly show which things belong together
- fix standard_bif_interface_N comment on ARM
- fix standard_bif_interface_4 on AMD64 to match the indentation
and spacing conventions of the rest of that file
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* sverk/pr632/prevent-illegal-nif-terms/OTP-12655:
erts: Reject non-finite float terms in erl_drv_output_term
erts: Remove old docs about experimental NIF versions.
erts: Add enif_has_pending_exception
erts: Clearify erl_nif documentation about badarg exception
erts: Fix compile warning in enif_make_double
erts: Fix divide by zero compile error in nif_SUITE.c
erts: Fix isfinite for windows
Ensure NIF term creation disallows illegal values
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fbaa0bec replaced the use of now/0 with erlang:monotonic_time/1 but at
the same time introduced a bug in inPeriod/3 so that it would always
return 'true' (the subtraction Time - Now would always result in
a non-positive number that would always be less than Period).
The symptoms of the bug is that when a child has been restarted the
maximum number of times allowed, the supervisor will terminate,
regardless of how much time that elapses between the restarts.
There was no test case that detected this problem. Add the missing
test case to ensure that this bug stays killed.
Reported-by: Rafał Studnicki
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Also make it possible to copy text buffer from current group
process to the JCL mode
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Increases float comparison speed by ~120%
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* hans/ssh/banner_grabbing/OTP-12659:
ssh: added id_string option for server and client
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* hans/inets/banner_grabbing/OTP-12661:
inets: Add value 'none' in server_tokens config
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The user_drv process can crash if ctrl-y is pressed when in switch command mode (ctrl-g).
This is due to switch mode using edlin to parse the input.
And edlin uses the process dictionary to store the kill_buffer.
However the kill_buffer is undefined if not initialized by edlin:init/0
which makes the user_drv process crash since edlin is calling list:reverse/2 with undefined.
Fix calles edlin:init/0 once before server_loop is entered.
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The compile, bitdefault, and bittypes records are not really used
in the #expand{} record.
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* bjorn/compiler/eprof:
v3_life: Optimize updating of the variable data base
beam_jump: Replace use of lists:dropwhile/2 with a custom function
beam_asm: Eliminate unnecessary use of iolist_to_binary/1
beam_bsm: Optimize btb_index()
beam_type: Eliminate redundant calls to checkerror_1/2
erl_expand_records: Simplify handling of call_ext instructions
beam_utils: Optimize index_labels_1/2
beam_block: Optimize matching of binary literals
Move rewriting of bs_match from beam_clean to beam_z
v3_codegen: Reduce cost for fixing up bs_match_string instructions
v3_codegen: Optimize "turning" of y registers
v3_kernel: Optimize subst_vsub/3
orddict: Eliminate unnecessary consing in store/3 and others
compile: Add the {eprof,Pass} option for easy eprof running
compile: Eliminate unnecessary wrappers for compiler passes
Add z_SUITE to validate loaded code
test suite: Always place .core files in data directories
test suites: Unload modules compiled from .core or .S
compilation_SUITE: Unload tested modules using the code server
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Updating of the variable data base takes most of the time.
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The use of lists:dropwhile/2 is noticeable in the eprof results.
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