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* maint:
Fix a few dialyzer warnings
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The wake_scheduler function asserts that the run queue is not locked,
but this assertion sometimes fails for dirty schedulers (in January
2016 a user in erlang-questions reported a dirty schedulers problem
related to this). After discussing it with Rickard, we decided
modifying the assertion was the most practical way to address the
problem.
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We will need a way to check whether an prepared BEAM modules has
an on_load function.
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* rickard/rq-state-bug/OTP-13298:
Fix bug causing run-queue mask to become inconsistent
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Do lock order check *before* trying to seize lock... duh!
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OTP-13341
* sverk/erts-hipe_x86_signal-cleanups:
hipe_sigaltstack: correct initialization of ss.ss_flags
hipe_x86_signal: cleanups
hipe_x86_signal: cleanups
hipe_x86_signal: cleanups
hipe_x86_signal: cleanups
hipe_x86_signal: cleanups
hipe_x86_signal: cleanups
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Clang didn't like that ecx/rcx was mapped to input and output
variables of different types.
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* sverk/fix-list-length-int/OTP-13288:
erts: Fix error cases in enif_get_list_length
erts: Use Sint instead of int for list lengths
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* bjorn/remove-test_server/OTP-12705:
Remove test_server as a standalone application
Erlang mode for Emacs: Include ct.hrl instead test_server.hrl
Remove out-commented references to the test_server applications
Makefiles: Remove test_server from include path and code path
Eliminate use of test_server.hrl and test_server_line.hrl
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* sverk/nif-test-cuddle:
erts: Fix wobbling test failure in nif_SUITE
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* msantos/ms/typo-windows-build-script:
Fix typo in Windows build scripts
OTP-13337
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* jv/erts/optimize-cmp:
Unify comparison macros in erl_utils.h
Avoid erts_cmp jump in atom, int and float comparisons
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Since no test suites includede test_server.hrl, there is no need
to have test_server in the include path or code path.
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As a first step to removing the test_server application as
as its own separate application, change the inclusion of
test_server.hrl to an inclusion of ct.hrl and remove the
inclusion of test_server_line.hrl.
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This commit implements erts_internal:system_check(schedulers) with the
intent of a basic responsiveness test check of the schedulers.
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This removes the duplication in having both `cmp_eq`
and `CMP_EQ` and normalizes their name to uppercase.
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Given the function definition below:
check(X) when X >= 0, X <= 20 -> true.
@nox has originally noticed that perfoming lt and ge
guard tests were performing slower than they should be.
Further investigation revealed that most of the cost
was in jumping to the erts_cmp function. This patch
brings the operations already inlined in erts_cmp
into the emulator, removing the jump cost.
After applying these changes, invoking the check/1
function defined above 30000 times with different
values from 0 to 20 has fallen from 367us to 213us
(measured as average of 3 runs). This is a
considerably improvement over Erlang 18 which takes
556us on average.
Floats have also dropped their time from 1126us
(on Erlang 18) to 613us.
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* rickard/ds-fixes:
Fix unique_SUITE for dirty schedulers
Add dirty scheduler process termination test
Ensure that work is done on the correct type of schedulers
Conflicts:
erts/emulator/beam/erl_process.c
erts/emulator/beam/erl_process.h
erts/emulator/beam/erl_process_dump.c
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In scheduler_SUITE add a new test that runs a single dirty I/O
scheduler and launches a number of dirty I/O NIF calls that each sleep
for 3 seconds. Given the single scheduler, the first of these will run
while the rest queue up. Then start killing these processes, and
verify they call exit correctly.
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Only the actual call to the dirty nif is allowed to execute on
dirty schedulers. The dirty nif is not allowed to execute on
normal schedulers if dirty schedulers are available.
Arrival of exit signals and system tasks, while a process was
scheduled for execution on a dirty scheduler, could mess up the
process internal state.
Preparation for dirty system task has been made, but is currently
unused.
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ResA may have been GC'd after its last use.
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Allow IPv6 nodes to register with and query epmd. On systems with
IPv6 support:
* epmd listens on both the IPv4 and IPv6 ANY or loopback sockets
* the epmd cli client connects to epmd over the IPv6 loopback
* distributed nodes started with "-proto_dist inet6_tcp" will register
with epmd over IPv6
To work on IPv6 capable systems that have IPv6 support disabled,
epmd ignores errors opening the socket if the protocol is not
supported. Similarly, the epmd client will fall back to IPv4 if the IPv6
socket is not available.
Update the minimum supported version of Windows to Windows Vista to
support IPv6.
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SS_ONSTACK may be set in oss, but it's not supposed to be set
in ss, and some systems correctly reject that; current Linux
kernels accept but ignore it in ss
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* sverk/thread-unsafe-alloc:
erts: Fix faulty assert for non-smp
erts: Add checks for thread safe allocation
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* sverk/safe-purging/OTP-13122:
erts: Fix harmless dialyzer warnings
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* sverk/hipe-line-table-bug/master/OTP-13282:
erts: Fix bug concerning line information for hipe modules
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* sverk/hipe-line-table-bug/OTP-13282:
erts: Fix bug concerning line information for hipe modules
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* sverk/proc-exiting-timer-race/OTP-13245:
erts: Fix race between receive timeout and exit signal
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false if improper list
false if length > UINT_MAX
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This avoids potential integer arithmetic overflow for very large lists.
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* binarin/epmd-race:
Prevent down nodes going undetected in epmd
OTP-13301
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* kvakvs/erts/list_to_integer/OTP-13293:
Better list_to_integer
Moved do_list_to_integer from bif.c to big.c
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* maint:
erts: When erts_alloc fails, the emulator no longer aborts
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* lukas/erts/enomem_no_abort/OTP-13292:
erts: When erts_alloc fails, the emulator no longer aborts
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* lukas/erts/msacc:
Update preloaded modules
erts: Make msacc alloctor type thread safe
Silence compiler
erts: Fix msacc testcase on some windowses
erts: Add power saving cpu feature tests and use them
erts: Refactor perf counter internal interface
erts: Add rdtscp instruction check
erts: Fix hrtime for windows
erts: use correct function for perf counter on non-x86
erts: Fix msacc win32 debug compile error
erts: Add microstate accounting
erts, kernel: Add os:perf_counter function
erts: Add ERTS_WRITE_UNLIKELY
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* maint:
Use nano second time unit in tracing
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* rickard/monotonic-time-improvements/OTP-13222:
Use nano second time unit in tracing
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Conflicts:
erts/emulator/beam/beam_emu.c
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