Age | Commit message (Collapse) | Author |
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* siri/stdlib/log_mf_h-write-index-atomically/OTP-9148:
Update index file atomically
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Reported-By: Pablo Platt
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Since the log_mf_h index file might be read by other processes than
the error handler (e.g. by the rb tool), this file should be updated
atomically. This will avoid hitting the time gap between opening the
file in write mode (and thus emptying the file) and the actual update
with the new contents. To do this, a temporary file is written, and
the file:rename/1 used to replace the real index file.
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In the following code:
m(<<Sz:8,_:Sz/binary>>) ->
Sz = wrong.
the Sz variable is supposed to be bound in the function header and the
matching "Sz = wrong" should cause a badarg exception. But what
happens is that the Sz variables seems to be unbound and the matching
succeds and the m/1 function returns 'wrong'.
If the Sz variable is used directly (not matched), it will have
the expected value. Thus the following code:
m(<<Sz:8,_:Sz/binary>>) ->
Sz.
will correctly return the value of Sz that was matched out from
the binary.
Reported-by: Bernard Duggan
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The default value 'undefined' was added to records field types in such
a way that the result was not always a well-formed type. This bug has
been fixed.
---
erl_pp has since OTP-8150 formatted types so that 'undefined' was
removed from union types assigned to record fields. Since one cannot
distinguish between 'undefined' added by the parser or supplied by the
user, a side effect was that user supplied 'undefined's were also
removed.
Now the pretty printer shows 'undefined' even if added by the parser.
This is a minor issue.
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* pan/doc_link_corrections/OTP-9112:
Remove link_check warnings re httpc.xml,sys.xml and unicode.xml
Change io.xml so that html anchors gets generated for all arities
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* ay/precisionfix/OTP-8989:
Fix ~F.Fs bug, add testcase and improve documentation
io_lib_format string precision fix
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This new feature adds the missing week number function to the calendar module
of the stdlib application. The implementation conforms to the ISO 8601 standard.
The new feature has been implemented tested and documented.
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* fm/dict-man-page:
Fixes to the orddict module documentation
Fixes to the dict module documentation
OTP-9083
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* lukas/stdlib/native_escript/OTP-9076:
Update escrips to allow the -n or -compile(native) flag, which compiles the code within the escript with the +native flag. You need an HiPE enabled emulator for this to work.
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* ia/supervisor-saves-unnecessary-data/OTP-9064:
Added test case do_not_save_start_parameters_for_temporary_children and fixed dialyzer spec.
Do not save parameter list for any temporary processes
Do not save initial arguments for dynamic temporary processes
Conflicts:
lib/stdlib/test/supervisor_SUITE.erl
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dialyzer spec.
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Previous commit changed the supervisor to not save
parameter lists for temporary processes supervised by simple-one-for-one
supervisors. But it is unnecessary to save them for any
temporary processes as they should not be restarted. Proably the
biggest gain is in the simple-one-for-one case.
Also changed the test case count_children_memory so it does
not test that which_children will produce garbage that must
be reclaimed later. This is a strange thing to test and it is no
longer true for all invocations of which_children.
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* sverker/ets_halfword_highmem/OTP-8941:
HALFWORD ETS Fix copyright year in some source files
Fix vm crash in kernel test case seq_trace_SUITE:call
remove NIF compile warning: no previous prototype for ‘nif_init’
Refuse to load NIF library on wrong VM variant (halfword/fullword)
HALFWORD ETS match spec heap fragment optimization
HALFWORD ETS removed eheap and improved test case t_match_spec_run
HALFWORD ETS Further match spec optimization to minimize copying and garbage
HALFWORD ETS db_prog_match optimization
HALFWORD ETS Fix segv for match spec with several function and guards
HALFWORD Make system_info mseg_alloc report both low/high mem
HALFWORD Fix segv caused by erlang:halt
HALFWORD Make more allocators use high mem (binary, fixed and driver)
HALFWORD ETS 32-bit arch fixes and other cleanups
HALFWORD ETS nicer update_element
HALFWORD ETS Real matching on relative terms
HALFWORD first stab at high mem alloc
HALFWORD ETS relative terms
Conflicts:
erts/emulator/test/driver_SUITE.erl
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* egil/io-badarg/OTP-9045:
Fix exception generation in the io module
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Some functions did not generate correct badarg exception on a
badarg exception.
Affected functions:
- io:put_chars/1,2
- io:nl/1
- io:write/1,2
- io:format/1,2,3
- io:fwrite/1,2,3
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Did not properly take care of case when TryMeElse restarted
with next match clause.
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In halfword emulator, make ETS use a variant of the internal term
format that uses relative offsets instead of absolute pointers. This
will allow storage in high memory (>4G). Preprocessor macros (like
list_val_rel(TERM,BASE)) are used to make normal (fullword) emulator
almost completely unchanged while still reusing most of the code.
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code within the escript with the +native flag. You need an HiPE enabled emulator for this to work.
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* bjorn/beam-loader/OTP-9030: (43 commits)
c: Reduce memory footprint
erl_posix_msg: Reduce memory footprint
Introduce a few more variations of the move instructions
Combine a move + jump sequence into the move_jump instruction
Optimize and clean-up the exact equality/non-equality instructions
Optimize addition of a small integer to a variable
Introduce a special instruction for select_val with two values
Introduce a few more specialized put_list instructions
Eliminate the "put_list c n Dst" instructions
Eliminate the specific move_sd instruction
Eliminate use of GetArg1() in the badmatch and case_end instructions
Eliminate use of GetArg2() in the i_element instruction
Eliminate use of GetArg1() in the fast_element instruction
Eliminate use of GetArg1() in the jump_on_val* instructions
Eliminate use of GetArg1() in the select_val instruction
beam_emu: Eliminate sloppy use of tmp_arg1 and tmp_arg2
beam_emu: Don't inline helper functions into process_main()
beam_emu: Clean up calling of the error_handler module
Simplify a select_val instruction that selects only one value
Optimize creation of tuples
...
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Use a binary instead of a string for the help text.
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Since the error messages in the erl_posix_msg module are
presumably used very seldom, save memory by using binaries
instead of strings.
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* td/base64-mime-decoding:
Improve pad character handling in base64 MIME decoding functions
OTP-9020
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Conflicts:
lib/stdlib/vsn.mk
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