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Another process may already have been placed in this slot
since the free och the process struct can be scheduled for
later.
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* lukas/erts/ttsl_eintr/OTP-12987:
erts: Make sure to deal with EINTR write failures
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* goertzenator/enif_make_pid-unused_param:
fix unused parameter warning in enif_make_pid
OTP-12989
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* mikpe/erts-binary_to_integer-fix:
erts: fix binary_to_integer boundary case
OTP-12988
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* sverk/inet-packet-ssl_tls-passive:
erts: Fix inet packet mode ssl_tls for passive mode
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* rickard/disable-saved-compile-time/OTP-12971:
Add configure switch --disable-saved-compile-time
Conflicts:
HOWTO/INSTALL.md
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* rickard/event-tmo/OTP-12954:
Fix ethread events with timeout
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* sverk/trace-process_dump-matchstate-17/OTP-12968:
erts: Add testcase for tracing whith 'process_dump'
erts: Fix bug when tracing with 'process_dump'
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Caused stack corruption leading to VM crash on windows.
{packet,ssl_tls} is undocumented by the way.
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Conflicts:
erts/emulator/beam/erl_printf_term.c
erts/emulator/beam/erl_term.c
erts/emulator/beam/utils.c
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of a process with a matchstate on the stack.
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If the process stack contained a match state
the print function would crash the vm as it was not
recognized by tag_val_def().
Add new MATCHSTATE_DEF returned by tag_val_def().
All other callers either ignore it or has a default
clause to handle invalid terms.
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* sverk/hipe-fix-literal-crc:
erts,hipe,dialyzer: Fix hipe checkum of target runtime system
erts: Change THE_NON_VALUE to not be hard coded in hipe compiler
OTP-12962
OTP-12963
OTP-12964
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Main problem:
A faulty HIPE_LITERAL_CRC was not detected by the loader.
Strangeness #1:
Dialyzer should ask the hipe compiler about the target checksum,
not an internal bif.
Strangeness #2:
The HIPE_SYSTEM_CRC checksum was based on the HIPE_LITERALS_CRC
checksum.
Solution:
New HIPE_ERTS_CHECKSUM which is an bxor of the two (now independent)
HIPE_LITERALS_CRC and HIPE_SYSTEM_CRC.
HIPE_LITERALS_CRC represents values that are assumed to stay constant
for different VM configurations of the same arch, and are therefor
hard coded into the hipe compiler.
HIPE_SYSTEM_CRC represents values that may differ between VM variants.
By default the hipe compiler asks the running VM for this checksum,
in order to create beam files for the same running VM.
The hipe compiler can be configured (with "make XCOMP=yes ...") to
create beam files for another VM variant, in which case HIPE_SYSTEM_CRC
is also hard coded.
ToDo:
Treat all erts properties the same. Either ask the running VM or hard
coded into hipe (if XCOMP=yes). This will simplify and reduce the risk
of dangerous mismatches. One concern might be the added overhead
from more frequent calls to hipe_bifs:get_rts_param.
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* sverk/hipe-maps-merge-wrapper:
erts: Fix hipe bug for maps:merge/2
erts: Beautify hipe wrapper macro
OTP-12965
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Add forgotten HIPE_WRAPPER_BIF_DISABLE_GC which
could lead to stack-heap overrun if unlucky with the
yielding during maps:merge when called by native hipe code.
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Lots of pthread platforms unnecessarily falled back on the pipe/select
solution. This since we tried to use the same monotonic clock source
for pthread_cond_timedwait() as used by OS monotonic time. This has
been fixed on most platforms by using another clock source.
Darwin can however not use pthread_cond_timedwait() with monotonic
clock source and has to use the pipe/select solution. On darwin we
now use select with _DARWIN_UNLIMITED_SELECT in order to be able to
handle a large amount of file descriptors.
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Instead ask running VM for the value of THE_NON_VALUE,
which is different between opt and debug VM.
Same hipe compiler can now compile for both opt and debug VM.
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These ifdef-ed lines were once upon a time needed, but the recent
changes in the time mechanism of OTP render them unused and result
in a warning on architectures which are not 64-bit.
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* lukas/erts/process_priority_unlock/OTP-12943:
erts: Make sure to unlock status lock when setting process prio
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* vinoski/stderr-eagain/OTP-12942:
Handle ERRNO_BLOCK in fd_driver async functions
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Several users on erlang-questions have reported problems with recent
releases where output to standard_error causes standard_error_sup to
die from receiving an unexpected eagain error. In the fd_driver,
change the fd_async() function to handle EINTR, and change
fd_ready_async() to handle ERRNO_BLOCK. Add a new test to
standard_error_SUITE to generate output to standard_error and ensure
that standard_error_sup does not die. Thanks to Kota Uenishi for
contributing the test case.
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* lukas/erts/system_process_core/OTP-12934:
erts: Don't abort when a system process is terminated
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* sverk/smp-trace-port-exit-bug/OTP-12901:
Teach smp VM how to deal with crash of a linked trace port
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Problem: The sys-msg-dispather crashes the VM when trying to send
exit signals from the links of the terminating trace port.
If try-lock of the linked process fails, a pending exit is
scheduled and erts_scheduler_data() is then called to find
"my" run queue. But sys-msg-dispatcher is not a scheduler
and has no scheduler data, hence SEGV.
Fix: If not a scheduler and we cannot get process locks,
schedule process in its previous run-queue.
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* bjorn/erts/beam_debug:
Fix crash when disassembling modules with BIFs
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erlang:binary_to_integer/1 and /2 fail to detect invalid
input consisting of a single + or - sign but nothing else.
For an input like <<"+">> they return 0, while list_to_integer/1
correctly signals a badarg for "+".
Fixed by checking if the input is empty after the initial +/-
sign processing.
Added a test case which fails without this fix but passes with it.
Thanks to "niku" for reporting the issue.
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* maint-18:
Updated OTP version
Prepare release
Fix calculation of end time
Prefer monotonic time that stop during suspend
Avoid unnecessary copying of data when retrieving corrected monotonic time
Add the --enable-gettimeofday-as-os-system-time configure switch
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* rickard/end-time-fix/OTP-12896:
Fix calculation of end time
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* rickard/read_corrected_time/OTP-12894:
Avoid unnecessary copying of data when retrieving corrected monotonic time
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* rickard/non-smp-trace-port-exit-bug/OTP-12889:
Teach non-smp VM how to deal with trace port crash
Test case testing crash in tracer port
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In a debug-compiled emulator, running erts_debug:df(io) would
trigger an assertion failure:
1> erts_debug:df(io).
beam/beam_debug.c:301:erts_debug_disassemble_1() Assertion failed: (((funcinfo[0]) & 0x3F) == ((0x0 << 4) | ((0x2 << 2) | 0x3)))
Aborted (core dumped)
It turns out that the assertion is wrong. It should have been
updated in 64ccd8c9b7a7 which made it possible to have stubs for
BIFs in the BEAM code for a module. The faulty assertion was only
found when when 16317f73f79265 added a smoke test of the BEAM
disassembler.
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Conflicts:
OTP_VERSION
erts/doc/src/notes.xml
erts/vsn.mk
lib/runtime_tools/doc/src/notes.xml
lib/runtime_tools/vsn.mk
otp_versions.table
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* rickard/non-smp-trace-port-exit-bug/OTP-12889:
Teach non-smp VM how to deal with trace port crash
Test case testing crash in tracer port
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Run erts_debug:df/1 for all loaded modules. On my reasonably fast,
modern computer this test case runs in approximately 10 seconds.
To avoid spending many minutes running this test case on older
computers, limit the running time to 20 seconds.
While we are at it, remove all ?line macros.
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The emulator would crash.
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* sverk/ets-unfix-delete-race/OTP-12870:
erts: Fix ETS race between object deleter and table unfixer
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