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The obsolete/driver.h header file has been obsolete
since R8B.
Remove that file, along with obsolete thread APIs for
drivers in the emulator and the test cases.
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* sverker/one_offheap_list/OTP-8737:
One off-heap list, to eliminate two words per ETS object.
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Merging the three off-heap lists (binaries, funs and externals) into
one list. This reduces memory consumption by two words (pointers) per
ETS object.
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* sverker/ets_select_hang/OTP-8732:
Fix ets:select hanging on ordered_set with empty list as key.
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* sverker/full_INTEGER_EXT/OTP-8540:
term_to_binary use all 32 bits of INTEGER_EXT
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* sverker/driver_int64_bug/OTP-8716:
Fix bug that caused faulty 64-bit integers from drivers.
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erl_db_tree.c incorrectly used NIL (empty list) as "lastkey" to mark
start of the iteration. A real NIL key could then cause a
select or match iteration to be restarted over and over again if the
last key before a trap happended to be NIL.
Changed NIL to THE_NON_VALUE. Should be ok as the initial key value can
never be put into any continuation tuple.
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* rani/sctp-udp-recv-error:
Fix inet_drv to detect passive mode UDP errors for SCTP builds
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Debug and patch by Per Hedeland for R13B04 on erlang-patches:
Connected UDP (and handling of any other errors in UDP recv())
is broken in passive mode for all SCTP-enabled builds.
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* se/http_response_empty_phrase:
{packet,http} allow empty response phrase
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Earlier, external format INTEGER_EXT was only produced for 28-bit
signed integers. Now full 32-bit signed integers are produced as
INTEGER_EXT to avoid the more costly SMALL_BIG_EXT format. Both old
and new code can read 32-bit INTEGER_EXT.
Also fixed integer encoding bugs in erl_interface erl_encode/erl_decode.
(Thanks to Alexander Demidenko for reporting)
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A user defined CPU topology set via a call to <seealso
marker="erlang#system_flag_cpu_topology">erlang:system_flag(cpu_topology,
CPUTopology)</seealso> was not properly verified, and could in worst case
cause an emulator crash. The emulator crash could only occur when a user
defined CPU topology already existed and was redefined.
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* se/port_SUITE_env:
fix open_port with many unset env vars
allow open_port with env vars with trailing '=' on Windows
OTP-8701 se/port_SUITE_env
open_port/2 with the spawn and spawn_executable options can include an
{env,Env} option. In some cases unsetting variables would not work on Unix
(typically if more variables were unset than were actually present in the
environment).
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Packet type 'http' for erlang:deocode:packet and gen_tcp allow a
response line with an empty phrase string, like
"HTTP/1.1 200\r\n".
Earlier, an empty phrase was only accepted if the status code
was followed by space or tab, like
"HTTP/1.1 200 \r\n".
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The erlang:open_port spawn and spawn_executable directives can include
an {env, Env} directive to set up environment variables for the
spawned process. Variables can be unset with {"NameOfVariable",false}.
A bug in ert/emulator/sys/unix/sys.c could cause unset variables
to not be unset. This would typically happen if there where more
variables to be unset than there where already set variables in the
destination evironment.
Fix this problem for unix and add a new regression test for it to
the port test suite. Windows does not seem to have the same problem.
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Same problem that Steve Vinoski fixed for Unix. Similar fix done in
erts/emulator/sys/win32/sys_env.c for Windows.
Copy-paste from his commit-message:
The erlang:open_port spawn and spawn_executable directives can include
an {env, Env} directive to set up environment variables for the
spawned process. A bug in ert/emulator/sys/unix/sys.c prevented
applications from using {env, Env} to set an environment variable
whose value ended with a '=' (equal sign) character; the code mistook
the trailing equal sign as an indication that an environment variable
was to be cleared from the environment of the spawned process.
For example, passing an {env, Env} of
{env, [{"foo", "bar="}]}
would result in the code in sys.c seeing a string of the form
"foo=bar="
The code would see the final '=' character and assume the directive
wanted to clear a variable named "foo=bar" from the environment of the
spawned process, rather than seeing it as a directive to set the
environment variable "foo" to the value "bar=".
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* bg/bif-types:
Add type information for erlang:garbage_collect_message_area/0
Add type information for erts_debug:* BIFs
Add type information for erlang:port_call/2
Add type information for erlang:display* BIFs
Add type information for the BIFs in the binary module
Introduce and use the t_endian() helper
Add type information for erlang:binary_part/2,3
Add type info for erlang:append/2 and erlang:subtract/2
Add type information for the erlang:adler32* BIFs
Add ppc64 return for erlang:system_info(hipe_architecture)
Test that all BIFs have known types
erl_types: Export is_erl_type/1
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* commit 'bg/nif_error':
crypto: Add type specs for all documented functions
crypto: Use erlang:nif_error/1 to squelch false Dialyzer warnings
Add erlang:nif_error/1,2
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* pg/fix_erts_bld_string_n:
Fix erts_bld_string_n (called by enif_make_string and erlang:decode_packet/3) to work with 8 bits characters
OTP-8685 pg/fix_erts_bld_string_n
Fix bug causing erlang:decode_packet and enif_make_string to generate
faulty strings with negative character values for ascii values larger than
127. (Thanks to Paul Guyot)
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Add a test that will verify that BIFs have type information in
hiper/cerl/erl_bif_types.erl.
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* ms/file-exclusive-mode:
Update preloaded modules
Support opening files in exclusive mode
OTP-8670 ms/file-exclusive-mode
There is a new option 'exclusive' to file:open/2 that uses the OS O_EXCL
flag where supported to open the file in exclusive mode.
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erlang:decode_packet/3) to work with 8 bits characters
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* egil/call-time-trace-patterns:
Fix ops.tab to include i_return_time_trace
Let trace_call_time_SUITE scheduling test be more relaxed
Add documentation for call time breakpoints
Fix bp_hash_put to do hash value after rehash
Extend trace_call_time_SUITE with bif-tests
Fix assertion in trace_pattern for bifs
Teach erlang:system_info/1 to list snifs
Add bif tests to call time trace tests
Teach call time trace patterns to include bifs
Fix BeamInstr code array in export.h
Add trace call_time tests for nifs and bifs
Teach call count tracing to use atomics
Add first phase of trace call time test suite
Add a scheduler array for BpData at BeamInstr[-4]
Add search keys in breakpoints and a searchfunction
Fix BeamInstr for call_time
Teach call_time trace to use intruction pointers
Add return_time trace and PSD deletions
Remove trailing character in beam_bif_load
Fix set_function_break to use correct breakpoint
...
OTP-8677 egil/call-time-trace-patterns
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Add an option that atomically tests for the existence of a file and
creates it if the file does not exist, by passing the O_EXCL flag
to open() on Unix and CREATE_NEW flag on Windows. Support for O_EXCL
varies across platforms and filesystems.
{ok, Fd} = file:open("/tmp/foo", [write,exclusive]),
{error, eexist} = file:open("/tmp/foo", [write,exclusive]).
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of schedulers
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Without the instruction defined in ops the interpreter will not
compile when using NO_JUMPTABLE.
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If a rehash was done the old hash value was used. This was incorrect.
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erlang:system_info(snifs) lists all static native implemented
functions. The function presents the lists with three tuple
values containing MFAs [{Module, Function, Arity}, ...].
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Call count previously used a global lock for accessing and writing
its counter in the breakpoint. This is now changed to atomics instead.
The change will let call count tracing and cprof to scale better
when increasing the number of schedulers.
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To solve the issue of multiple schedulers constantly updating the
head pointer to the bp data wheel, each scheduler now has its own
entrypoint to the wheel. This head pointer can be updated without
a locking being taken. Previously there were no lock ...
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call_time trace will use instruction pointers instead of
breakpoint data pointers. More costly lookup but the bdt
structure might be deallocated, we do not want that.
Remove unnecessary pattern lock.
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op_i_time_breakpoint is now used
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Call time breakpoint tracing traces per call trace per process.
- Add hashes to support the extra dimension.
- Teach trace_info/2 to handle the extra information dimension.
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