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* bjorn/erts/remove-useless-variable:
erl_process.c: Remove the redundant variable 'processes_busy'
Update primary bootstrap
otp_internal: Deprecate ssl:pid/1
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There is a static variable called 'processes_busy' in erl_process.c,
which will be incremented but never used.
To confuse things, there is also a global variable with the same
name, but it it is only defined and used if BM_COUNTERS is defined.
In erl_process.c, the global version of 'processes_busy' will be
seen and incremented if BM_COUNTERS is defined.
Remove the static version of 'processes_busy' in erl_process.c,
but keep the global version if BM_COUNTERS is defined.
Noticed-by: Jovi Zhang
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* lukas/erts/large_float_cmp/OTP-9497:
Use CMP_TMP_HEAD_SIZE for C-stack
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Thanks to Tuncer Ayaz
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Caused core dump with gen_udp_SUITE on halfword vm.
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* bjorn/code-loading:
code: Clean up loading of code_server prerequisites
beam_load.c: Add init_iff_file() for verifying the IFF header
beam_code.c: Don't reinvent state initialization and deallocation
beam_load.c: Optimize code:get_chunk/2
beam_load.c: Eliminate memory leak in code:make_stub_module/3
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Add init_iff_file() for verifying the IFF header. Also let it handle
compressed BEAM files so that it will be done in one place. That means
that code:get_chunk/2 and code:module_md5/1 will now support compressed
BEAM files.
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The undocumented code:get_chunk/2 BIF is supposed to be a fast way
to extract a chunk from a BEAM file when loading native code. In
practice, it might not have been faster because it happened to
calculate an MD5 checksum for the chunk it extracted because it
shared the scan_iff_file() function with the erlang:load_module/2
BIF.
Split scan_iff_file() into scan_iff_file() and verify_chunks(),
so that the unnecessary MD5 calculation can be avoided.
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code:make_stub_module/3 leaked memory if given either a corrupt
BEAM file, or a compressed BEAM file and an error occurred, or
a binary not aligned on byte boundaries.
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* pan/binary_match_scope/OTP-9701:
Remove remaining gcc 4.6 assigned-but-not-used warnings from erts
Remove GCC 4.6 set-but-not-used warning from erl_bif_binary
Make binary:match with scope return correct values
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* sverk/hipe-without-fpe/OTP-9724:
otp_build: Disable FPE by default on Linux
stdlib: Make sure qlc_SUITE:otp_6964 restores backtrace_depth
erts: Add test for inf/NaN intermediate float results
hipe,erts: Allow hipe without floating point exceptions
hipe: Fix bug in hipe_rtl_lcm:calc_killed_expr_bb
erts: Rename macros used by float instructions without FPE
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* rickard/sched-compact-load/OTP-9695:
Add switch that can disable scheduler compaction of load
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* bjorn/erts/refc-binary-literals/OTP-9486:
external.c: Remove the option to create over-sized heap binaries
Allow refc binaries in literal pools
code_SUITE clean-up: Remove experimental 'constant_pool' option
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* raimo/sctp-dev/OTP-9239: (21 commits)
erts: Possible bugfix for error chunk on old Solaris 10
kernel: Documented gen_sctp:peeloff/2
kernel: Adjust SCTP test to SuSE quirk
erts: Fixes for SCTP on old Solaris 10
Update preloaded files
erts,kernel: Return eprotonosupport when SCTP is not supported
kernel: Adjust SCTP tests to Solaris quirks
erts: Fix SCTP decoding byteorder bug for adaptation_ind
kernel: Rewrite SCTP test socket handler
kernel: Fix SCTP tests for the FreeBSD protocol stack
kernel: Bugfix - SCTP connect with sndrcvinfo in assoc_change event
erts: Default enable SCTP in configure
Update primary bootstrap and preloaded files
erts: Use SCTP functions in default libs
erts: Improve SCTP message defragmenting
erts,kernel: Bugfix - collect fragmented SCTP messages on recv
kernel: Add tests for gen_sctp:peeloff/2
erts,kernel: Implement gen_sctp:peeloff/2
kernel: Add tests for SCTP stream sockets
erts,kernel: Add type stream sockets to SCTP
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* sverker/valgrind-fixing:
erts: valgrind suppressions for prebuilt terms in os_info_init
Fix dlopen-leak of drivers with incorrect version
erts: Add valgrind suppression files
erts: Remove valgrind limit for erts_alloc_permanent_cache_aligned
erts: Fix write-after-free bug in inet driver
ETS: Fix faulty size calculation SIZEOF_EXTSEG
ETS: Fix valgrind PossiblyLost in ETS hash tables
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Make sure that badarith is thrown even if end result is not inf/NaN
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No semantic change, just code clarification.
Use unique macro names instead of redefining the original ones.
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On e.g FreeBSD the functions sctp_bindx() and sctp_peeloff() do not require
any extra linkage library flags and there is no dynamic lib to load
for them; use configure to find them.
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Receive several fragments within the same receive loop if possible.
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Since refc binaries are now supported in literal pools, there is no
longer any need to allow the creation of over-sized heap binaries.
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To simplify the implementation of literal pools (constant pools)
for the R12 release, a shortcut was taken regarding binaries --
all binaries would be stored as heap binaries regardless of size.
To allow a module containing literals to be unloaded, literal
terms are copied when sent to another process. That means that
huge literal binaries will also be copied if they are sent to
another process, which could be surprising.
Another problem is that the arity field in the header for the heap
object may not be wide enough to handle big binaries.
Therefore, bite the bullet and allow refc binaries to be stored
in literal pools. In short, the following need to be changed:
* Each loaded module needs a MSO list, linking all refc binaries
in the literal pool.
* When check_process_code/2 copies literals to a process heap,
it must link each referenced binary into the MSO list for the
process and increment the reference counter for the binary.
* purge_module/1 must decrement the reference counter for each
refc binary in the literal pool.
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* bjorn/erts/code-loading/OTP-9720:
BEAM loader: Don't stop other schedulers until truly needed
BEAM loader: Refactor code loading into separate functions
beam_load.c: Factor out cleaning up of the loader state into free_state()
BEAM loader: Clean up handling of error reasons
Remove the useless -l option
beam_load.c: Simplify handling of the bs_put_string_II instruction
beam_load.c: Remove the unused struct LoadedCode
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The erlang:module_load/2 BIF will stop all other schedulers
before it starts to process the BEAM file. That is not a problem
when starting the Erlang/OTP system, since the start-up is mostly
sequential. It is a problem, however, when big BEAM files are
loaded in an already running system.
After the refactoring in the previous commits, we can now do most
of the processing of the BEAM file before we stop the other schedulers,
so that we can minimize the time when only one scheduler will be
running.
Suggested-by: Bob Ippolito
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Break apart code loading into the three functions:
erts_alloc_loader_state()
erts_prepare_loading()
erts_finish_loading()
The erts_alloc_loader_state() and erts_prepare_loading() can be
executed with all schedulers running. Only erts_finish_loading()
needs to be run in a single-scheduling system.
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There is no reason to have erts_load_module() return integer values,
only to have the caller convert the values to atoms. Return the
appropriate atom directly from the place where the error is generated
instead. Return NIL if the module was successfully loaded.
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* egil/reallocating-catches/OTP-9692:
erts: Teach VM to reallocate beam catch table
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The -l option used to print information about modules being loaded,
but now it prints very little information.
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Remove the special-case handling of the bs_put_string_II
instruction; simply use the string patch mechanism that is already
used for the i_bs_match_string_* instructions.
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* rickard/multi-exit-bug/OTP-9705:
Make sure only one thread exits the runtime system
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* rickard/win-cs-mutex/OTP-9671:
Use critical sections as mutex implementation on Windows
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* rickard/generic-thr-queue/OTP-9632:
Use generic lock-free queue for async threads
Use generic lock-free queue for misc aux work
Implement generic lock-free queue
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