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* pan/erl-bif-types/OTP-9496:
Cleanup ETS bif's in hipe:erl_bif_types.erl (for dialyzer)
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* pan/win_erlsrv_stop/OTP-9344:
Move init of smp rw mutex from init to sys_args to make sure that it is initialized before the first erts_sys_getenv call
Move erts_sys_env_init() to erts_sys_pre_init()
Remove _DEBUG from start_erl.c
Spelling correction in erlsrv doc
Convert windows start_erl to take rootdir on command line
Add command start_disabled to erlsrv
Add global lock for erlsrv to avoid races
Change start order so that service_event gets initialized before it's used
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* pan/win_symbolic_link_fixes/OTP-9279:
Add error code for cyclic symbolic links and make directory links readable
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* pan/erts_printf_term/OTP-9435:
Correct return values from write-functions in erl_printf
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* ta/werror:
snmp: extend warnings_as_errors test
systools: add warnings_as_errors option
asn1ct: add warnings_as_errors option
leex: optimize werror/1
yecc: optimize werror/1
yecc: use more descriptive name: 'werror'
leex: use more descriptive name: 'werror'
compile: optimize werror/1
compile: log warnings as errors if -Werror is enabled
yecc: log warnings as errors if -Werror is enabled
leex: log warnings as errors if -Werror is enabled
yecc: honour -Werror passed from erlc
leex: honour -Werror passed from erlc
Do not write beam file if Werr and warnings /= []
parsetools: test if warnings_as_errors writes file
OTP-9536
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* In rare cases we could have no run_queue in schedule misc ops
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* bjorn/erts/fix-autoimports-testcase:
erts: Add a sanity check to autoimport_SUITE
erts: Fix failing autoimport test case
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* fm/enif_compare-64-to-32bits-cast:
Fix enif_compare on 64bits machines
OTP-9533
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* dc/fix_win32_static_crypto:
Fix win32 OpenSSL static linking broken in 20c9d6e
OTP-9532
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* hw/detect-cpus-on-irix:
Detect the available CPUs on IRIX
OTP-9531
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* fm/external_size_2:
Add erlang:external_size/2 BIF
OTP-9528
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* hw/ignore-empty-epmd-address:
Let epmd ignore empty ERL_EPMD_ADDRESS
OTP-9525
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If we fail to parse out any functions from erlang.xml, make sure
that we fail.
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The autoimport_SUITE:autoimport/1 test case would interpret
data type definitions as function calls. Fix this by skipping
to the <funcs> tag before starting to collect function names.
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* bjorn/erts/fix-erlc_SUITE-arg_overflow:
erlc_SUITE: Fix arg_overflow/1 test case
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In commit be8759e68b337524c056b8bb757ea68c9996d863, a buffer overflow
was fixed in erlc and the erlc_SUITE:arg_overflow/1 test case was
added. That test cases invokes erlc with 10000 -D options, which will
result in 'erl' being invoked with more than 30000 arguments.
On some platforms, the test case will fail for the wrong reason:
* 64-bit Linux kernels before 2.6.23 limit the number of arguments in
an excvp() call to 16383. (See "Number of arguments and maximum length
of one argument" in http://www.in-ulm.de/~mascheck/various/argmax/.)
* The command shell in Windows limits the size of the command line to
8191 characters.
Depending on the platform, pass a different number of -D options
to erlc. Since the size of the options does not matter for this
test case, make the options as short as possible by generating
numbers in base 36.
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The functions zlib:deflateSetDictionary/2 and zlib:inflateSetDictionary/2
accept iodata() as Dictionary.
The functions zlib:crc32/2,3, zlib:adler32/2,3, zlib:compress/1,
zlib:uncompress/1, zlib:zip/1, and zlib:unzip/1 accept iodata() as
data.
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In 64bits machines the Sint type has a size of 8 bytes,
while on 32bits machines it has a 4 bytes size.
enif_compare was ignoring this and therefore returning
incorrect values when the result of the CMP function
(which returns a Sint value) doesn't fit in 4 bytes.
For example, passing the operands -1294536544000 and
-1178704800000 to enif_compare would trigger the bug.
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* ta/configure-fdatasync:
Document fdatasync -lrt requirement (SunOS <= 5.10)
Move fdatasync autoconf checks to proper place
OTP-9512
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* ms/epmd-fix-compiler-warnings:
epmd: fix compiler warnings
OTP-9500
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This BIF's second parameter is a list of options.
Currently the only allowed option is {minor_version, Version}
where version is either 0 (default) or 1.
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Add erlang:check_old_code/1 to quickly check whether a module
has old code. If there is no old code, there is no need to call
erlang:check_process_code/2 for all processes, which will save
some time if there are many processes.
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There is no need to suspend the process if the module has no old
code. Measurements show that this change will make
erlang:check_process_code/2 in an SMP emulator about four times
faster if the module has no old code.
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* rc/r14-gc-fix:
fix 64-bit issues in the garbage collection
OTP-9488
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Use a union for pointer type conversion to avoid compiler warnings
about strict-aliasing violations with gcc-4.1. gcc >= 4.2 does not
emit the warning.
TODO: Reconsider use of union once gcc-4.1 is obsolete?
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We discovered that if a single Erlang process tried to grow above 32
GB (i.e., more 64-bit words than can be counted by a 32-bit number),
the VM failed to find the next larger heap size, even though there
were plenty more heap sizes left to pick from and even though we had a
lot more memory available on the machine. (Obviously, this is only
applicable on 64-bit Erlang.)
It turned out to be due to some 'int' variables in the heap resizing
parts of erl_gc.c not being properly updated to 'Uint' or 'Sint'. Once
that was fixed, I got segfaults instead as soon as the heap got larger
than 2^32 words, due to even more 'int' declarations in the same file,
but now in the GC code.
After fixing this as well, I successfully ran an Erlang node in which
a single Erlang process had a heap so large that I'm not at liberty to
divulge the exact size, but I think the scientific term is
"humongous", and I'm confident that there are no further immediate
problems with very very large individual process heaps.
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* ms/inet-socket-domain-error:
inet: error if fd does not match socket domain
OTP-9455
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* cg/fix-constant-logical-operand:
Fix use of logical operator && with constant operand instead of bitwise &.
OTP-9454
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* pg/fix-freebsd-dualcore-detection:
Fix bug in FreeBSD topology detection code
OTP-9453
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* pg/fix-hibernate-scheduling-with-hipe:
Fix bug related to hibernate and HiPE (clear F_HIBERNATE_SCHED flag)
OTP-9452
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Constructing binaries using the bit syntax with literals sizes
that would not fit in an Uint will either cause an emulator crash
or the loading to be aborted.
Use the new TAG_o tag introduced in the previous commit to make sure
that the attempt to create huge binary literals will generate a
system_limit exception at run-time.
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The handling of large values for other tags than TAG_i (integer) is
buggy. Any tag value equal to or greater than 2^40 (5 bytes) will
abort loading. Tag values fitting in 5 bytes will be truncated to 4
bytes values.
Those bugs cause real problems because the bs_init2/6 and
bs_init_bits/6 instructions unfortunately use TAG_u to encode literal
sizes (using TAG_i would have been a better choice, but it is too late
to change that now). Any binary size that cannot fit in an Uint
should cause a system_limit exception at run-time, but instead the
buggy handling will either cause an emulator crash (for values in the
range 2^32 to 2^40-1) or abort loading.
In this commit, implement overflow checking of tag values as a
preparation for fixing the binary construction instructions. If any
tag value cannot fit in an Uint (except for TAG_i), change the
tag to the special TAG_o overflow tag.
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We want to make sure that a tag/type name is not defined more than
once and that we don't define too many primitive tags. Primitive
tags must be named with lowercase letters (or they will be confused
with variable names in transformations in the ops.tab file).
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Attempting to construct <<0:((1 bsl 32)-1)>>, the largest bitstring
allowed in a 32 bit emulator, would cause an emulator crash because
of integer overflow.
Fix the problem by using an Uint64 to avoid integer overflow.
Do not attempt to handle construction of <<0:((1 bsl 64)-1>> in
a 64-bit emulator, because that will certainly cause the emulator
to terminate anyway because of insufficient memory.
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* sverker/allocator-aoff/OTP-9424:
New allocator: Address order first fit (aoff)
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* sverker/fun_SUITE-refc_dist-gcfix:
Fix test case fun_SUITE:refc_dist
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* sverker/epmd-vxworks-select-bug/OTP-9427:
Fix epmd crash on vxworks caused by faulty argument to select
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The first argument g->max_conn to select() in epmd_srv.c seems to be
wrong as it excludes the listening socket(s). Instead we keep track of
the highest fd seen.
However I still don't understand why select() started to fail for
vxworks with R14B03 when the feature of more than one listening socket
was introduced. The default is still 1 listening socket (num_sockets=1),
which would make the first argument to select() unchanged.
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* sverker/testcase/OTP-9422:
Test case for OTP-9422
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It failed sometimes depending on GC invocation.
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alloc_no of sbmbc_low_alloc was set to ERTS_ALC_A_STANDARD_LOW
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If the environment variable ERL_EPMD_ADDRESS is set to the empty string,
empd now behaves like it does by default when ERL_EPMD_ADDRESS is unset.
That is, in this case, epmd now listens on all available interfaces
instead of using only the loopback interface, which happened because
epmd added the loopback address to the (in this case empty) list of
addresses specified via ERL_EPMD_ADDRESS.
Also, epmd now ignores ERL_EPMD_ADDRESS if it contains only separator
characters (comma and space).
The same applies to epmd's -address option.
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