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for erts, stdlib, kernel and runtime_tools.
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Run debug VM or config with --enable-lock-checking.
Exercise VM and then run
erts_debug:lc_graph().
to create a file "lc_graph.<pid>" in current working directory.
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* rickard/auth-timeout/ERL-601/OTP-15009:
Set infinity timeout for auth requests
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* lukas/erl_docgen/add_github_contrib_link/OTP-14979:
erl_docgen: Remove git dependency in github link script
stdlib: Fix timer monotonic time link
erl_docgen: Use name based anchors where possible
erl_docgen: Change ghlink icon to pencil
erl_docgen: Fix ghlinks to .xmlsrc
erl_docgen: Add hover links for ghlink
erl_docgen: Add ghlink step for all non-generated doc xml files
Fix erlang:abs/2 type docs
Tickets missed in 9033a41375f3a31a18eb0cba3ea
OTP-14651: temp_alloc disabling
OTP-14652: msacc bugs
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Remove note about heart rebooting on NTP updates
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The timestamp code in heart uses monotonic time so it is immune to NTP
changes.
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In order to get line numbers into the ghlink we have to add a post
processing step for all xml files.
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jhogberg/john/erts/any-term-as-seq_trace-label/OTP-14899
Lift the type restrictions on seq_trace token labels
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* raimo/type-posix-0-overhaul/ERL_550/OTP-14019:
Update types for posix error codes
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I have read the man pages for most socket and file operations
on recent Linux, FreeBSD, OpenBSD and Solaris 10 and noted
the possible error codes.
Which error codes that are possible for file operations have
been updated in file:posix/0. Error codes for socket operations
in inet:posix/0. The latter refers to the former so it is
a superset, assuming that e.g sendfile and AF_UNIX socket
operations could cause socket operations to return any file
error code. That is not entirely true, but could be,
especially in the future.
Added to file:posix/0 are:
ebadmsg edeadlk edeadlock eftype emultihop enobufs enolck enolink
enosr enostr enosys eopnotsupp eoverflow erange etxtbsy
Added to inet:posix/0 are all but:
exbadport exbadseq file:posix()
These are still possible according to erl_posix_str.c,
but are not in file:posix/0 nor in inet:posix/0,
and many of them are not file nor inet related, but some might be:
e2big eadv ealign ebade ebadfd ebadr ebadrpc ebadrqc
ebadslt ebfont echild echrng ecomm edirty
edom edotdot eduppkg eidrm einit eisnam
elbin el2hlt el2nsync el3hlt el3rst
elibacc elibbad elibexec elibmax elibscn elnrng
enavail enet enoano enocsi enodata enoexec
enonet enosym enotempty enotnam enotuniq
eproclim eprocunavail eprogmismatch eprogunavail
erefused eremchg eremdev eremote eremoteio
eremoterelease erpcmismatch erremote eshutdown
esrmnt esuccesss etime etoomanyrefs
euclean eunatch eusers eversion exfull
sysnotready vernotsupported ediscon enomore
ecancelled einvalidproctable einvalidprovider eproviderfailedinit
syscallfailure service_not_found type_not_found e_no_more
e_cancelled unknown
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OTP-14899
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just to make it easier to do "rm -rf"
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Implementation of true asynchronous signaling between processes
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Communication between Erlang processes has conceptually always been
performed through asynchronous signaling. The runtime system
implementation has however previously preformed most operation
synchronously. In a system with only one true thread of execution, this
is not problematic (often the opposite). In a system with multiple threads
of execution (as current runtime system implementation with SMP support)
it becomes problematic. This since it often involves locking of structures
when updating them which in turn cause resource contention. Utilizing
true asynchronous communication often avoids these resource contention
issues.
The case that triggered this change was contention on the link lock due
to frequent updates of the monitor trees during communication with a
frequently used server. The signal order delivery guarantees of the
language makes it hard to change the implementation of only some signals
to use true asynchronous signaling. Therefore the implementations
of (almost) all signals have been changed.
Currently the following signals have been implemented as true
asynchronous signals:
- Message signals
- Exit signals
- Monitor signals
- Demonitor signals
- Monitor triggered signals (DOWN, CHANGE, etc)
- Link signals
- Unlink signals
- Group leader signals
All of the above already defined as asynchronous signals in the
language. The implementation of messages signals was quite
asynchronous to begin with, but had quite strict delivery constraints
due to the ordering guarantees of signals between a pair of processes.
The previously used message queue partitioned into two halves has been
replaced by a more general signal queue partitioned into three parts
that service all kinds of signals. More details regarding the signal
queue can be found in comments in the erl_proc_sig_queue.h file.
The monitor and link implementations have also been completely replaced
in order to fit the new asynchronous signaling implementation as good
as possible. More details regarding the new monitor and link
implementations can be found in the erl_monitor_link.h file.
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kernel: in the group added processing of 'EXIT' signal from shell
OTP-14991
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Short-circuit code:ensure_loaded for already-loaded modules
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More typos
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It wasn't possible to change group/owner separately, and our test
suite lacked coverage for that.
ERL-589
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Conflicts:
OTP_VERSION
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* sverker/send-tick/OTP-14681:
kernel: Fix and improve send_tick logic
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* sverker/dict-put-immed-opt:
erts: Optimize erlang:put/2 for hash collision lists
erts: Optimize erlang:put/2 for immed values
erts: Refactor erlang:put/2
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This checks if the module is already loaded using erlang:module_loaded
before calling the code server. This should improve performance of the
call significantly since the case where module is already loaded is the
common one.
The change shouldn't cause any problems. It's worth noting that
code:ensure_modules_loaded already does a similar check.
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* raimo/stop-encouraging-v4-mapped/ERL-503/OTP-13716:
Stop translating V4MAPPED addresses
Stop returning V4MAPPED addresses
Implement function for IPv4-mapped IPv6 addresses
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* origin/hasse/kernel/rpc_doc_fix/OTP-10551:
kernel: Improve docs of rpc:multicall/5
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as workarounds to avoid blocking auto-connect,
which is now asynchronous in OTP-21.
Also changed old catch to more efficient try-catch.
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to replace DFLAGS_STRICT_ORDER_DELIVERY
and remove that compile time dependency.
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and remove use in dist_util:check_mandatory
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to a simple 'band' operation into ChosenFlags
and no need to remember old 'this_flags' and 'other_flags'.
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for kernel to ask erts about distribution flags
and keep this info in one place.
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No need to clear them as they cannot be set.
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* john/erts/allow-opening-device-files/OTP-11462:
Allow opening device files and FIFOs with file:open/2
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* maint:
Skip testing unavailable interfaces in inet_SUITE:getifaddrs
Make re_SUITE:sub_binaries less unstable
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This test consistently failed on Windows when an interface was
enabled but unplugged, as the interface was 'up' but not 'running'.
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* lukas/kernel/dist_SUITE_corefile_ignore:
kernel: Ignore cores in erl_distribution_SUITE
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To the best of our knowledge this was introduced since file operations
on device files/FIFO:s could hang the emulator forever back when the
emulator was single-threaded and lacked IO threads; a read operation
could block all progress preventing the write operation it waited for
from occurring.
Granted, this could still happen through starving all dirty IO
schedulers, but the same issue can arise with NFS files which we've
always allowed.
Removing this restriction also lets us remove a stat(2) call that was
added to specifically allow `/dev/null`.
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Do destructive write of immed value if key exists.
This is an optimization at the expense of get/0
which must now copy all (mutable) key-value tuples.
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