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A received SIGTERM signal to beam will generate a {'stop','stop'} message
to the init process and terminate the beam nicely.
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* margnus1/hipe_llvm39_bugs/PR-1237:
hipe_rtl_to_llvm: Constants for bits per byte/word
hipe_llvm: Work around LLVM 3.9 sdesc bug
hipe_llvm: Fix incorrect atom alignment assumption
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* ingela/ssl/ECC-certs-test:
ssl: Use SHA2 for signing ECC certs if possible
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ECC certs should preferably use SHA2, this is what we want to be
testing. Also assembling of all available test suites must consider TLS version.
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* ingela/ssl/tune-timeouts-packet_SUITE:
ssl: Change to more modest timeouts
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* ingela/ssl/ECC-faulty-workaround:
ssl: Remove faulty workaround
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We where never really satisfied with this workaround it was
a bit far fetched, so we are pleased to be able to remove it.
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'gomoripeti/kernel/controlling_proc_badarg_doc/PR-1208/OTP-14022' into maint
* gomoripeti/kernel/controlling_proc_badarg_doc/PR-1208/OTP-14022:
controlling_process can return {error, badarg}
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The constant ?WORD_WIDTH is renamed ?BITS_IN_WORD, and a new constant
?BITS_IN_BYTE is introduced.
Additionally, a bug in a currently unused case clause of
llvm_type_from_size/1 is fixed (the size of a word was hardcoded to 64
bits).
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* raimo/gen_statem-improvements/OTP-13929:
Log terminate to sys debug
Optimize event timeout
Rework timeout handling
Clarify the chapter 'Postponing Events' (ERL-284)
Fix doc and type for state enter calls
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'egil/erts/fix-configure-to-check-in-libsct-for-sctp-funcs/ERL-262/OTP-13956' into maint-19
* egil/erts/fix-configure-to-check-in-libsct-for-sctp-funcs/ERL-262/OTP-13956:
Configure enable libsctp dependency
Revert "Check libsctp for sctp funcs in configure.in"
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* bjorn/erts/erl_prim_loader/OTP-14009:
Update preloaded modules
Fix performance bug in erl_prim_loader:get_modules/{2,3}
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* egil/19/erts/fix-crashdump-sigusr1/OTP-13997:
erts: Fix SIGUSR1 crashdump generation
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This reverts commit 52fae83743a6e84d719f4f82fe45e6e0efdbd6f0:
Check libsctp for sctp funcs in configure.in
Call AC_CHECK_LIB before calling AC_CHECK_FUNCS to check for functions in libsctp.
Otherwise AC_CHECK_FUNCS will not link with libsctp to see if function exists.
Reverting to the old behaviour of not checking for libsctp before checking for
sctp functions. Then it works on Linux by loading libsctp and looking up the
symbols i runtime, and it works on FreeBSD since there is no separate libsctp
to link against - the functions are part of the default system libraries.
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* jxck/fix-doc-typo/PR-1238:
fix typo on doc of maps
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* leoliu/tools/emacs-erldoc/PR-1197/OTP-14018:
New commands to ease looking up OTP documentation
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typo
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As of LLVM 3.9, the x86-call-frame-opt pass in LLVM's X86 backend causes
the stack descriptors to contain incorrect (or even negative) frame
sizes or root slot offsets.
This might cause LLVM-compiled modules to be rejected during loading
with a badarg exception in hipe_bifs:enter_sdecs/1 (which additionally
prints a "hipe_bifs_enter_sdesc_1: bad sdesc!" message to stderr), or it
might cause corruption or segmentation faults when walking stacks (f.ex.
during GC) containing frames compiled with ErLLVM.
As a workaround, we pass the -no-x86-call-frame-opt flag to llc when
the version is at least 3.9
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ErLLVM was declaring atoms in the following manner:
@atom_ok = external constant i64
; Used inside a function like this
%var = ptrtoint i64* @atom_ok to i64
However, doing so makes LLVM think the `atom_ok` is 8-byte aligned,
since it refers to a i64 value. This resulted in LLVM occasionally
incorrectly optimising away type tests on atoms, causing incorrect
behaviour or even segfaults. One such case is in
bs_match_compiler:coverage_apply/2, in which an is_boxed test on a
literal atom was optimised away, causing the code to try and load the
"header" of an atom. This problem reproduces with LLVM versions 3.7
through 3.9.
By declaring atoms as i8 (byte) constants instead, LLVM no longer makes
these alignment assumptions, and the bug is fixed.
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* kostis/hipe-bs_match_string/PR-1234/OTP-14005:
Add a test case that should now work
Fix the native code translation of bs_match_string
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* ferd/ssl-allow-ecc-config/PR-1210/OTP-13959:
Add ECC curve selection order config in TLS server
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* egil/clarify-dir-structure/OTP-14013:
doc: Clarify application directory structure
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* egil/erts/cuddle-tests:
stdlib: Increase timeouts in ets_SUITE
stdlib: Increase timeouts in rand_SUITE
stdlib: Increase timeouts in base64_SUITE
erts: Use cmd on windows for port_SUITE
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The erl_prim_loader:get_modules/{2,3} functions were introduced in
cd283583f8. Unfortunately, while the functions worked correctly, there
was a bug in that many garbage maessages would be sent to the
erl_prim_loader process. The number of extra messages depended on
both the length of the code path and of the number of modules that
were fetched. The messages were ignored and ultimately discarded,
causing no harm except for a performance degradation and increase of
the heap size for the erl_prim_loader process.
The following functions were hit by the performance bug:
code:atomic_load/1
code:ensure_modules_loaded/1
code:prepare_loading/1
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* valgrind needs lots of time
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* valgrind needs lots of time
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* valgrind needs lots of time
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This fixes a HiPE bug reported on erlang-questions on 2/11/2016.
The BEAM to ICode tranaslation of the bs_match_string instruction,
written long ago for binaries (i.e., with byte-sized strings), tried
to do a `clever' translation of even bit-sized strings using a HiPE
primop that took a `Size' argument expressed in *bytes*.
ICode is not really the place to do such a thing, and moreover there
is really no reason for the HiPE primop not to take a Size argument
expressed in *bits* instead. This commit changes the `Size' argument
to be in bits, postpones the translation of the bs_match_string primop
Fixed in a pair-programming/debugging session with @margnus1.
until RTL and does a proper translation using bit-sized quantities there.
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* sverker/kernel-erts-dependency:
kernel: Add lost dependency to erts-8.1
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As per RFC 4492 Sec 5.1, the preferred order of selection of named
curves is based on client preferences.
Currently, the SSL application only picks entries according to the
absolute order of entries as tracked in a hardcoded list in code.
This patch changes things so that the client-specified order is
preferred. It also allows a mode where the server can be configured to
override the client's preferred order with its own, although the chosen
ECC must still be within both lists.
The configuration is done through the following options:
- `eccs`, shared by clients and servers alike, allows the specification
of the supported named curves, in their preferred order, and may
eventually support more values for explicit primes and so on.
- `honor_ecc_order`, a server-only option, is similar to
`honor_cipher_order` and will, by default let the server pick the
client-preferred ECC, and otherwise pick the server-preferred one.
The default value for `eccs` is the same as before, although the
server-chosen ECC now defaults to the client rather than previous
choice.
A function `ssl:eccs()` has been added that returns the highest
supported ECCs for the library.
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into maint
* okeuday/howto/verify_beams_info/ERL-288/PR-1231/OTP-13999:
Add otp_build update_primary to HOWTO INSTALL
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* hasse/erts/fix_match_spec_head/OTP-13996:
Update preloaded
erts: Correct type declaration of match specification head
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* roadrunnr/tools/fprof-send-non-exist/PR-1201/OTP-13998:
handle send_to_non_existing_process trace event in fprof
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Document the existence of the otp_build update_primary command,
to verify that the bootstrap beam files match the source files.
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Do not generate a core when a crashdump is asked for.
Regression introduced in 56090db3ea417157a749bdd810fc61d117493f1f
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* github/pr/1219:
Correct spelling error in ssl_distribution.xml
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Bug reported by Peti Gömöri <[email protected]>.
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maint
* josevalim/erts/document-epmd-switches/PR-1217/OTP-13994:
Document the -epmd_module switch in erl
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In OTP-19.1 (c70ca686fe269db6079a2ca1c7e09cdfc0cfa903)
erts_code_purger:finish_after_on_load/2 was added
and called by code_server.erl.
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* sverker/hipe-beam-stacktrace/ERL-205:
erts: Exclude random beam functions from hipe stacktrace
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