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* bjorn/fix-warnings/OTP-9250:
Eliminate alias warning in gcc 4.5.2
erl_trace: Eliminate alias warning
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* bjorn/test-environment-improvements/OTP-9297:
erlexec: Make ERL_<version>_FLAGS behave like ERL_AFLAGS
cerl: Fix several incompatibilities with 'erl'
Teach erlexec the -emu_name_exit option
cerl: Remove ancient obsolete options
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* bjorn/fix-binary-overflow/OTP-9118:
Fix overflow in list_to_bitstring/1
Replace io_list_len() with erts_iolist_size()
Make port_command/2 reject non-byte sized bitstrings
io.c: Make io_list_vec_len() less general
iolist_size/1: Fix truncation of result
Test iolist_size/1 with bad arguments
binary_SUITE: Remove workaround for avoiding stack overflow
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* sverker/halfword-printf-relative-terms/OTP-9292:
ETS usage of erts_printf %R
erts_printf %R for relative ets-terms in halfword-vm
Another halfword is_same-bug for ETS ordered_set
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* sverker/halfword-high-alloc/OTP-9291:
Present 'low' memory count for halfword-vm with erlang:memory()
Fix faulty values from erlang:memory() on halfword-vm
Allow allocator disable for high memory (better valgrind for halfword)
Expand the use of high memory allocation in halfword emulator
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* dc/improved_find_redist:
support new SDKs in find_redist.sh and fallback to $ERL_TOP as last resort
OTP-9287
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* rickard/gc-other/OTP-9211:
Fix bad assertions
Avoid scheduling of processes being garbage collected by others
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The contents of the ERL_<version>_FLAGS undocumented environment
variable would be added at the end of the command line passed
to the BEAM emualator (similar to ERL_ZFLAGS), making it impossible
to override (for example) "-smp" with "-smp disable" on the command
line.
To allow overriding, put the contents of ERL_<version>_FLAGS at
the beginning of the command line (similar to ERL_AFLAGS).
Since the ERL_<version>_FLAGS variable is undocumented and
unsupported, it is OK to change its behaviour in a minor release.
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Invoking 'cerl' like 'cerl -smp' would only start the smp emulator
if default was to start the non-smp emulator, otherwise 'erlexec'
would try to start 'beam.smp.smp'. Furthermore 'cerl -smp disable'
would be handled in the same way as 'cerl -smp'.
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It is difficult/impossible to find out whether an invocation of
'erl' will start the smp emulator or the non-smp emulator
(short of actually starting the emulator). Therefore we will need
a way to ask 'erlexec'.
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The -frag and -smp_frag options was used to start an (at the time)
experimental build of the emulator. The -shared and -hybrid option
was used to start experimental versions of the emulator with
alternate heap architectures.
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Avoid creating two variable names referring to the same memory
area, because that can cause aliasing warnings in some versions of
gcc.
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Noticed-by: Jon Meredith
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The io_list_len() function returns an int, where a negative return
value indicates a type error. One problem is that an int only consists
of 32 bits in a 64-bit emulator. Changing the return type to Sint
will solve that problem, but in the 32-bit emulator, a large iolist
and a iolist with a type error will both return a negative number.
(Noticed by Jon Meredith.)
Another problem is that for iolists whose total size exceed the
word size, the result would be truncated, leading to a subsequent
buffer overflow and emulator crash.
Therefore, introduce the new erts_iolist_size() function which
returns a status indication and writes the result size through
a passed pointer. If the result size does not fit in a word,
return an overflow indication.
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Use of Uint instead of UWord could cause overflow errors on systems
with large memory use.
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Also add 'low' field in system_info(allocator)
SHORT_LIVED is still in low memory
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* egil/file-write/OTP-9276:
Update prim_file.beam
Remove unnecessary copy in prim_file:drv_command/3
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Conflicts:
erts/emulator/beam/erl_printf_term.c
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This one is less likely to provoke error as one of the terms is
always NULL-based.
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Also rename the fun_to_port/1 test case to outputv_errors/1 and
test sending more kinds of bad data to an outputv-enabled driver.
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* jf/run_erl-disable-flow-control:
Teach run_erl RUN_ERL_DISABLE_FLOWCNTRL for disabling flow control
OTP-9270
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io_list_vec_len() is slightly more general than it needs to be.
Specifically:
* The only caller always passes ERL_SMALL_IO_BIN_LIMIT as the
value for the bin_limit parameter, so the bin_limit parameter
can be eliminated.
* The only caller never passes any NULL pointers, so there is
no need test the pointers before writing through them.
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* ta/inet_drv-cleanup:
inet_drv: remove unused tcp request id
inet_drv: remove gratuitous assignment
OTP-9263
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* ms/beam-fix-format-specifiers-in-erl_exit-msg:
Fix format specifiers in erl_exit messages
OTP-9262
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Conflicts:
erts/vsn.mk
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iolist_size/1 would silently return a truncated result for iolists
whose size exceeded the word size. For example:
iolist(lists:duplicate(256, <<0:(1 bsl 24)/unit:8>>)).
would return 0 (instead of 4294967296 or 1 bsl 32).
Rewrite iolist_size/1 to accumulate the size in a bignum if
necessary and result the correct result.
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In older releases of Erlang/OTP, the '=:=' operator could run out
of stack if used to compare very deep lists. Since that problem
has been fixed, we can remove the workaround used in the deep/1
test case.
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Flow control can cause unwanted behaviour of the beam process,
if accidentally hit Ctrl-S (instead of Ctrl-D to detach) the
entire beam may be blocked.
Fix this problem by making it possible to turn off flow
control by setting the environment variable RUN_ERL_DISABLE_FLOWCNTRL.
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* ta/driver_entry-typo:
driver_entry: Remove gratuitous paren and fix typo
OTP-9254
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* ks/prim_file-fixes:
add prim_file.beam
Driver names should be strings, not atoms
Cleanup and cosmetic changes
OTP-9253
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* ms/unsigned-integer-overflow-in-error:
Unsigned integer may overflow in error message
OTP-9251
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* ms/file-fix-hang-reading-compressed-files:
file: fix hang reading compressed files
OTP-9245
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* sverker/code_SUITE-false_dependency-bug:
Fix bug in test case code_SUITE:false_dependency
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* sverker/enif_is_exception/OTP-9150:
add support for checking if an ERL_NIF_TERM is an exception
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* sverker/erts_printf-halfword:
erts_printf %be to print integers of size Eterm
Fix use of type BeamInstr in hipe_debug.c
Conflicts:
erts/emulator/hipe/hipe_debug.c
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