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* ia/public_key/PKCS-10-usage-of-PKCS-9:
public_key: Include some PKCS-9 support needed by PKCS-10
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* kp/odbc-oracle-autocommit-fix/OTP-10735:
Fix aotocommit for Oracle ODBC driver in Linux.
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* bjorn/kernel/undefined-function-handler/OTP-10617:
Add a warning to discourage abuse of $handle_undefined_function/2
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* bjorn/warnings-zero-tolerance:
Turn warnings to errors on selected applications
runtime_tools_sup: Eliminate warning
inet_parse: Eliminate a compiler warning
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* sverk/r16/utf8-atoms:
erl_interface: Fix bug when transcoding atoms from and to UTF8
erl_interface: Changed erlang_char_encoding interface
erts: Testcase doing unicode atom printout with ~w
erl_interface: even more utf8 atom stuff
erts: Fix bug in analyze_utf8 causing faulty latin1 detection
Add UTF-8 node name support for epmd
workaround...
Fix merge conflict with hasse
UTF-8 atom documentation
test case
erl_interface: utf8 atoms continued
Add utf8 atom distribution test cases
atom fixes for NIFs and atom_to_binary
UTF-8 support for distribution
Implement UTF-8 atom support for jinterface
erl_interface: Enable decode of unicode atoms
stdlib: Fix printing of unicode atoms
erts: Change internal representation of atoms to utf8
erts: Refactor rename DFLAG(S)_INTERNAL_TAGS for conformity
Conflicts:
erts/emulator/beam/io.c
OTP-10753
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* sal/float_to_list_2/OTP-10752:
Text representation of a float formatted using given options.
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* anders/diameter/registered/OTP-10442:
Add registered server names to app file
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* siri/common_test/minor_test_fixes/OTP-10483:
[common_test] Extend timetrap time in ct_hooks_SUITE
[common_test] Avoid hanging ct@host node if crypto does not exist
[common_test] Changed call to publick_key to use documented interface
[common_test] Extend timeout values for slave nodes in ct_master_SUITE
[common_test] Extend valid interval for approximate timer values in tests
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to allow bitwise-or'd combinations.
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When using the async thread pool and compressed files, when
an efile driver port instance is shutdown, the efile_drv
stop callback closes the file descriptor (a gzFile instance
actually) - this is dangerous if at the same time there's
an async thread performing an operation against the file,
for example calling invoke_read(), which can result in a
segmentation fault, or calling invoke_close() which double
closes the gzFile and this in turn causes 2 consecutive calls
to driver_free() against same gzFile instance (resulting in
later unexpected crashes in erl_bestfit_alloc.c for example).
The following test program makes the emulator crash when using
the async thread pool:
-module(t2).
-export([t/1]).
t(N) ->
file:delete("foo.bar"),
% Use of 'compressed' option, for creating/writing the file,
% is irrelevant. It only matters when opening it later for
% reads - a non-compressed file open with the 'compressed'
% option goes through an internal gzFile handle (instead of
% a plain integer fd), just like a compressed file.
%{ok, Fd} = file:open("foo.bar", [raw, write, binary]),
{ok, Fd} = file:open("foo.bar", [raw, write, binary, compressed]),
ok = file:write(Fd, <<"qwerty">>),
ok = file:close(Fd),
Pid = spawn_link(fun() ->
process_flag(trap_exit, true),
loop(N)
end),
Ref = erlang:monitor(process, Pid),
receive
{'DOWN', Ref, _, _, _} ->
ok
end.
loop(0) ->
ok;
loop(N) ->
Server = self(),
Pid = spawn(fun() ->
{ok, Fd} = file:open("foo.bar", [read, raw, binary, compressed]),
Server ! continue,
% Comment the file:read/2 call to make the file:close/1 call much
% more likely to crash or end up causing efile_drv to close twice
% the fd (gzFile), which will make the emulator crash later in the
% best fit allocator (erl_bestfit_alloc.c).
_ = file:read(Fd, 5),
file:close(Fd)
end),
receive continue -> ok end,
exit(Pid, shutdown),
loop(N - 1).
Running this test when using the async thread pool:
shell> erl +A 4
Erlang R15B03 (erts-5.9.3.1) [source] [64-bit] [smp:4:4] [async-threads:4] [hipe] [kernel-poll:false]
Eshell V5.9.3.1 (abort with ^G)
1> c(t2).
{ok,t2}
2> t2:t(500000).
Segmentation fault (core dumped)
When not using the async thread pool, there are no issues:
shell> erl
Erlang R15B03 (erts-5.9.3.1) [source] [64-bit] [smp:4:4] [async-threads:0] [hipe] [kernel-poll:false]
Eshell V5.9.3.1 (abort with ^G)
1> c(t2).
{ok,t2}
2> t2:t(500000).
ok
3>
An example stack trace when the crash happens because there's
an ongoing read operation is:
Thread 1 (Thread 0x7f021cf2c700 (LWP 10687)):
#0 updatewindow (strm=0x2691bf8, out=5) at zlib/inflate.c:338
#1 0x00000000005a2ba0 in inflate (strm=0x2691bf8, flush=0) at zlib/inflate.c:1141
#2 0x000000000055c46a in erts_gzread (file=0x2691bf8, buf=0x7f0215b29e80, len=5) at drivers/common/gzio.c:523
#3 0x00000000005849ef in invoke_read (data=0x26b2228) at drivers/common/efile_drv.c:1114
#4 0x000000000050adcb in async_main (arg=0x7f021bf5cf40) at beam/erl_async.c:488
#5 0x00000000005c21a0 in thr_wrapper (vtwd=0x7fff69c6ff10) at pthread/ethread.c:106
#6 0x00007f021c573e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#7 0x00007f021c097cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#8 0x0000000000000000 in ?? ()
And when there's an ongoing close operation when the driver
is stopped:
Thread 1 (Thread 0x7fe5f5654700 (LWP 747)):
#0 0x0000000000459b64 in bf_unlink_free_block (block=0x10b2a70, allctr=<optimized out>, flags=<optimized out>) at beam/erl_bestfit_alloc.c:792
#1 bf_unlink_free_block (flags=0, block=0x10b2a70, allctr=0x873380) at beam/erl_bestfit_alloc.c:822
#2 bf_get_free_block (allctr=0x873380, size=<optimized out>, cand_blk=<optimized out>, cand_size=<optimized out>, flags=0) at beam/erl_bestfit_alloc.c:869
#3 0x000000000044f0dd in mbc_alloc_block (alcu_flgsp=<synthetic pointer>, blk_szp=<synthetic pointer>, size=200, allctr=0x873380) at beam/erl_alloc_util.c:1198
#4 mbc_alloc (allctr=0x873380, size=200) at beam/erl_alloc_util.c:1345
#5 0x000000000045449b in do_erts_alcu_alloc (size=200, extra=0x873380, type=165) at beam/erl_alloc_util.c:3442
#6 erts_alcu_alloc_thr_pref (type=165, extra=<optimized out>, size=192) at beam/erl_alloc_util.c:3520
#7 0x000000000055c0bf in gz_open (mode=0x5d98b2 "rb", path=0x1103418 "foo.bar") at drivers/common/gzio.c:164
#8 erts_gzopen (path=0x1103418 "foo.bar", mode=0x5d98b2 "rb") at drivers/common/gzio.c:307
#9 0x0000000000584e47 in invoke_open (data=0x1103330) at drivers/common/efile_drv.c:1857
#10 0x000000000050adcb in async_main (arg=0x7fe5f698af80) at beam/erl_async.c:488
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* rickard/r16/port-optimizations/OTP-10336:
Bump reductions also for immediate driver calls
Add 'port_count' and 'port_limit' to system_info/1 spec
Fix documentation
Replace use of deprecated functions in test cases
Replace use of driver_send_term() with erl_drv_send_term()
Conflicts:
erts/preloaded/ebin/erlang.beam
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* fredrik/fix-dialyzer-warn-r16:
Removed deprecated functions
handle_pref_algs with correct return values
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* fh/shell_history_search/OTP-10739:
Add search to Erlang shell's history
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This reverts commit 750ecdea08fa5fa7e32b7f3019eed96c1699427e, reversing
changes made to 2cfa0466c3b3c7bd5e3621aff0f3e2ca30addb68.
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The warning was introduced in 3b73cabcba3ac6dcc91c7ae2b00f21d254dfdd4b.
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The warning was introduced in e367eb44969b00cac910c8eb14e7b3ce3ee0cc91.
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* fredrik/fix-merge-dialyzer/R16:
Fixed merge issue
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Due to some limitations in the ASN-1 compiler we inline
some PKCS-9 in other specs for now.
Also corrected documentation.
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* bjorn/compiler/binary-syntax-bug/OTP-10724:
compiler: Eliminate internal consistency failure in binary matching
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* sa/dialyzer-list-spec/OTP-10740:
Report spec discrepancy on mismatching lists
Properly support functions with arbitrary arity in type specs.
Conflicts:
lib/dialyzer/test/small_SUITE_data/results/empty_list_infimum
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* sa/dialyzer-list-spec/OTP-10740:
Report spec discrepancy on mismatching lists
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* fredrik/ssh/update_versions/R16:
Fixed some specs - ssh
Bumped version numbers
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* ia/ssl/prepare-for-release:
ssl: Prepare for R16 release
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* ae/stdlib/faster_queue/OTP-10722:
Fix bug in queue:out/1, queue:out_r/1 that makes it O(N^2) in worst case
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Remove very old and obsolete release notes, update version and appup.
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* ia/ssl/incompatible-error-msg/OTP-10451:
ssl: Enhance error handling
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This was simply missed.
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* lh/forget-mnemosyne/OTP-10729:
Remove what remains of the Mnemosyne code
Remove support for the query keyword and query expressions
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* hb/type_corrections/OTP-10624:
[hipe, kernel, stdlib] Correct a few types
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* fredrik/eldap/ssl-opts/OTP-10728:
Added doc for sslopts
Configure the SSL options fully
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The type ascii_string() in the base64 module has been corrected.
The type file:file_info() has been cleaned up.
The type file:fd() has been made opaque in the documentation.
The type nodes() has been removed from erl_bif_types.erl.
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* lukas/kernel/iter_max_socks_to_node/OTP-10734:
Isolate iter_max_socks to own node
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This prevents this testcase from ruining the entire
testrun if it should fail critically.
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This BIF solves a problem of float_to_list/1 that doesn't allow
specifying the number of digits after the decimal point when
formatting floats.
float_to_list(Float, Options) -> string()
Float = float()
Options = [Option]
Option = {decimals, Decimals::0..249} |
{scientific, Decimals::0..249} |
compact
Returns a string which corresponds to the text representation of
a `Float` formatted using given options.
When decimals option is specified the returned value will contain
at most `Decimals` number of digits past the decimal point.
When `compact` option is provided the trailing zeros at the end
of the list are truncated (this option is only meaningful together
with the `decimals` option). When `scientific` option is provided,
the float will be formatted using scientific notation with
`Decimals` digits of precision. If `Options` is `[]` the function
behaves like `float_to_list/1`. When using `decimals` option and
the number doesn't fit in the static internal buffer of 256 bytes
the function throws `badarg`.
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* ia/ssl/certtable-clean/OTP-10710:
ssl: Certificates and PEM-cache cleaning fixed to avoid memory leak
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* 'master' of super:otp:
Fixed specs
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