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Port locks could be prematurely destroyed.
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Missing memory barriers in erts_poll() could cause the runtime system to
hang indefinitely.
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This BIF was only used by the now broken SAE support.
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The experimental Standalone Erlang (SAE) support based on
Joe Armstrong's work has long been broken. Remove the remaining
code and Makefile rules.
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* ta/extend-nif-api:
erl_nif: add make_atom_len, make_existing_atom_len and make_string_len
erl_nif: add enif_get_atom_length and enif_get_list_length
erl_nif: add enif_is_list and enif_is_tuple
OTP-8640 ta/extend-nif-api
New NIF API functions: enif_make_atom_len, enif_make_existing_atom_len,
enif_make_string_len, enif_get_atom_length, enif_get_list_length,
enif_is_list, enif_is_tuple (by Tuncer Ayaz)
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* fm/file-operations:
Update preloaded modules
Add file:advise/4 - a wrapper to the POSIX syscall posix_fadvise
Add file:datasync/1 for syncing file contents only
sys.h: Correct the get_int64() macro
OTP-8637 fm/file-operations
The functions file:advise/4 and file:datasync/1 have been added. (Thanks to
Filipe David Manana.)
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Add new NIF API functions
- enif_make_atom_len
- enif_make_existing_atom_len
- enif_make_string_len
These are basically the same as enif_make_atom,
enif_make_existing_atom and enif_make_string except that the
new functions require a length parameter instead of a
null-terminated C-string.
Signed-off-by: Tuncer Ayaz <[email protected]>
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Add new NIF API functions
- enif_get_atom_length
- enif_get_list_length
Signed-off-by: Tuncer Ayaz <[email protected]>
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Add new NIF API functions
- enif_is_list
- enif_is_tuple
Signed-off-by: Tuncer Ayaz <[email protected]>
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* bg/compiler-cover-and-clean:
v3_life: Remove clause that cannot match in match_fail/3
v3_life tests: Cover exception handling code in v3_life:function/1
beam_type: Remove redundant clause
v3_core tests: Cover make_bool_switch_guard/5
v3_core tests: Cover handling of pattern aliases
v3_core: Remove a clause in is_simple/1 that cannot match
v3_core: Remove unused support for generating compilation errors
Remove stray support for the put_literal/2 instruction
Remove stray support for the bs_bits_to_bytes2/2 instruction
Remove the bs_bits_to_bytes/3 instruction
Cover handling of 'math' BIFs
beam_bool: Remove a clause in live_regs/1 that cannot match
beam_bool: Cover handling of bs_context_to_binary in initialized_regs/2
beam_bool: Remove a clause in initialized_regs/2 that cannot match
beam_block: Remove a clause that will never be executed
erts: Stop supporting non-literal empty tuples
compile: Remove code that is only executed on Solaris
Do not cover-analyze core_scan
core_SUITE_data: Don't ignore *.core files in this directory
OTP-8636 bg/compiler-cover-and-clean
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Signed-off-by: Tuncer Ayaz <[email protected]>
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The get_int64() macro has never been used (it was probably added
for completeness at the same time that put_int64() was added),
but it was not actually used and therefore it does not actually
work.
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put_literal/2 was an experimental instruction added in R11 to
support literals, but before the R12 release support for literals
was implemented for all instruction, making the put_literal/2
instruction redundant. Although the beam_disasm module supports
dissambley of instructions in older releases, there is
no reason to have it support experimental instructions.
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The last compiler to generate code that uses the bs_bits_to_bytes/3
instruction was the R11 compiler. Since we don't support loading
R11 *.beam files in R14, removing the remaining support for the
instruction.
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Since R12B, empty tuples are literals. Thus the compiler will no
longer generate the instruction:
put_tuple 0 Destination
for creating an empty tuple. It is now time to stop supporting
that instruction in the run-time system.
While we are at it, correct a typo.
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* pan/otp_8217_binary:
Add documentation for binary module
Add more tests and make some go easier on small systems
Correct Boyer More and trapping for longest_common_suffix
Add longer timetrap to testcases and add binary to app file
Add guard BIFs binary_part/2,3
Add binary:{encode,decode}_unsigned({1,2}
Add referenced_byte_size/1
Add binary:list_to_bin/1 and binary:copy/1,2
Add bin_to_list/{1,2,3}
Add binary:longest_common_prefix/longest_common_suffix
Add binary:part to erl_bif_binary.c
Move binary module bif's to erl_bif_binary.c
Count reductions for process even when not trapping
Add random compare testcase
Teach BIF's binary:match/matches interrupting/restarting
Teach binary.c the semantics to take longest instead of shortest match
Initial commit of the binary EEP
OTP-8217 Implement EEP31
The module binary from EEP31 (and EEP9) is implemented.
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Correct behaviour of copy/2 witn 0 copies.
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Even more tests added to cover more error cases, some tests
made easier on systems with small memories and timeouts made longer
due to timetraps on solaris daily builds.
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Add testcases and clean up to get better code coverage.
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Add the gc_bif's to the VM.
Add infrastructure for gc_bif's (guard bifs that can gc) with two and.
three arguments in VM (loader and VM).
Add compiler support for gc_bif with three arguments.
Add compiler (and interpreter) support for new guard BIFs.
Add testcases for new guard BIFs in compiler and emulator.
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Add testcases for encode/decode_unsigned/1,2.
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Add testcases for referenced_byte_size/1.
Add failure tests for referenced_byte_size.
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Add testcases for binary:list_to_bin/1 and binary:copy/1,2.
Add reference implementation of list_to_bin/1.
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Add testcases for bin_to_list.
Teach binref.erl bin_to_list.
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Add allcoator parameter to erts_get_aligned_binary_bytes_extra.
Add testcases for the functions above.
Add reference implementation for the functions above.
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Change name of the 'scope' option for binary:match/matches.
Add split and replace to binary.erl.
Cleanup comments etc in binary.erl and atom.names
Add testcases for part, split, replace and scopes.
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Set loop factors to 10.
Teach erts_debug:set_internal_state to limit loop factor for binary.
Add random tests for matches and match with multiple searchstrings.
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Fix heap-hole when trapping in binary.c
Fix boyer more segfaulting when searchstring is longer than haystack
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Add Boyer More implementation of binary:matches.
Cleanup and removed unused code.
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Add testcase embryos and reference implementation.
Change name of compile function according to EEP31.
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The recv_mark/1 instruction will both save the current
position in the message queue and a mark (the address of the
loop_rec/2 instruction just following the recv_set/1
instruction). The recv_mark/1 instruction will only
use the saved position if the mark is correct.
The reason for saving and verifying the mark is that
the compiler does not need to guarantee that no other
receive instruction can be executed in between the
recv_mark/1 and recv_set/1 instructions (the mark will
be cleared by the remove_message/0 instruction when a message
is removed from the message queue). That means that arbitrary
function calls in between those instruction can be allowed.
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Make the recv_mark/1 and recv_mark/1 instructions known to the
compiler and run-time system. For the moment, make the loader ignore
any occurrences of those instructions in BEAM files.
Also update hipe_beam_to_icode to ignore those instructions.
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In the erts/emulator/beam sources
#ifdef SOME_OPERATING_SYSTEM
should be avoided. Instead, call a function implemented in
sys/OPERATING_SYSTEM/sys.c.
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New NIF API function enif_make_new_binary
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The default stack size on MacOS X for the SMP emulator is too small
to support all uses of pcre. For example, the following expression
N = 819, re:compile([lists:duplicate(N, $(), lists:duplicate(N, $))]).
will cause a stack overflow. By bisection of different values
for the +sss option, I found that 166 is the smallest value that
avoids the crash. Round that up to 256 to give a nice, round power
of 2 and a resonable safety margin. Use that value as a default stack
size on MacOS X only.
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* bg/fconv:
erts: Fix loading of modules with invalid floating point arithmetic
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The value for "OldHeap unused" in the output of
erlang:system_info(procs) and in crash dumps, was incorrectly
calculated as the size of the entire old heap.
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The following program is supposed to cause an exception
at run-time:
foo() ->
Sum1 = Sum2 = N = 2,
pSum - (Sum1*(Sum2/N)).
but the loader fails to load because it contains the
following instruction:
fconv {atom,pSum} {fr,2}
Fix the loader so that it can handle fconv instructions
where the first operand is a non-numeric literal.
Reported-by: Torbjörn Törnkvist
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* se/decode_packet:
Fix erlang:decode_packet(httph_bin,..) to not return faulty header strings
OTP-8548 se/decode_packet
erlang:decode_packet(httph_bin,..) could return corrupt header strings or
even crash the VM. This has been fixed. It only happened on 32-bit VM if
the header name was unknown and between 16 and 20 characters long. Sockets
with simular packet option did not suffer from this bug.
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Unrecognized Http header names was sometimes returned as corrupt
sub-binaries pointing to a stack allocated buffer. This only happened
on 32-bit VM if the header name was between 16 and 20 characters
long. It could in some cases lead to segmentation fault.
The solution was to avoid creating sub-binary if the returned string
was not part of the original binary.
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* bg/compiler-remove-r11-support:
compiler: Don't support the no_binaries option
erts: Don't support the put_string/3 instruction
compiler: Don't support the no_constant_pool option
compiler: Don't support the r11 option
test_server: Don't support communication with R11 nodes
binary_SUITE: Don't test bit-level binary roundtrips with R11 nodes
erts: Test compatibility of funs with R12 instead of R11
OTP-8531 bg/compiler-remove-r11-support
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Since R14 does not need to load code that can also be loaded
in an R11 run-time system, support for the put_string/3
instruction can be removed.
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* pan/otp_8332_halfword:
Teach testcase in driver_suite the new prototype for driver_async
wx: Correct usage of driver callbacks from wx thread
Adopt the new (R13B04) Nif functionality to the halfword codebase
Support monitoring and demonitoring from driver threads
Fix further test-suite problems
Correct the VM to work for more test suites
Teach {wordsize,internal|external} to system_info/1
Make tracing and distribution work
Turn on instruction packing in the loader and virtual machine
Add the BeamInstr data type for loaded BEAM code
Fix the BEAM dissambler for the half-word emulator
Store pointers to heap data in 32-bit words
Add a custom mmap wrapper to force heaps into the lower address range
Fit all heap data into the 32-bit address range
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The testcase core dunmped. Also made sure the key could actually store
long integers in driver_async (which is more of a cosmetic change).
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Change erl_int_sizes_config to include HALFWORD_HEAP_EMULATOR,
which make it possible for the NIFs to figure out the term size.
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The driver in the wx application does monitoring (and
demonitoring) from non-scheduler threads. In the non-half-word
emulators, data will be modified without the protection of a
lock (which is potentially bad), but the half-word emulator will
crash in that situation.
While at it, also correct an old bug which make assertions
fail in the Kernel test suite.
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