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Most logger configuration that was possible through
kernel application variables have been moved into a
common 'logger' application environment in kernel.
Now all the configuration possible through the logger
API can be done as sys config.
The handler started by kernel has been renamed to 'default'
instead of logger_std_h.
There is a new logger:setup_handlers/1 function that given an
application name can be used to setup handlers in other applications.
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* peppe/peppe/kernel/logger_handler_fixes:
Various logger handler improvements and updated test cases
Make it possible to disable sync and drop mode
Conflicts:
lib/kernel/test/logger_disk_log_h_SUITE.erl
lib/kernel/test/logger_std_h_SUITE.erl
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epmd: allow alternative to dns resolving for nodename
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* siri/kernel/dont-store-incl-apps-in-env/OTP-15071:
Don't save included_applications as application environment variable
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This makes it possible to create a custom integration with a
key-value store for example. The key would then point to the
actual address. You would have to write your own epmd module
to make use of that feature.
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The error_logger is no longer added here.
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Fix syntactic issues in EDoc comments across some libs
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* siri/logger-fix:
Change logger callback removing_handler/1 to removing_handler/2
Don't crash logger_server due to unexpected message
Add logger:update_process_metadata/1
Improve documentation of logger:set_*_config functions
Change return type from logger_formatter:format/2
Improve test of logger_disk_log_h and logger_std_h
Update logger documentation
Set single_line=true by default in logger_formatter
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This used to be string() is now changed to unicode:chardata().
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During application load, the included_applications key from the .app
file would earlier be duplicated as an application environment
variable. Due to this, its value could be retrieved in any of the
following ways:
application:get_key(App,included_applications).
application:get_env(App,included_applications).
It would also be included in the resulting list from the following calls:
application:get_all_key(App).
application:get_all_env(App).
This commit removes the duplication, and included_applications will no
longer be returned by application:get_env/2 or application:get_all_env/1.
The reason for this change is mainly to avoid confusion, but also to
avoid the potensial inconsistency which would occur if the environment
variable was changed during runtime by calls to
application:put_env(App,included_applications,NewInclApps).
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See https://github.com/erszcz/docsh/issues/23 for an explanation
about how the files were found.
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* john/kernel/add-file_int-to-release:
Add file_int.hrl to release target
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Also add tests and update failing test cases
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* raimo/better-TLS-distribution/OTP-14969:
Fix distro CRL test cases short vs long names
Allow check for node name
Move check ip to before SSL handshake
Check client IP from server
Parse cert primarily for host names
Open for host and node allow list
Create plug-in for distro cert nodes
Rewrite TLS dist to handle node names in certs
Improve node allowed check
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* siri/kernel/logger/OTP-13295:
Add documentation of the built-in logger handlers
Catch badarg in logger:get_format_depth/0
Add chars_limit option to logger_formatter
Don't kill logger process until all other processes are dead
Set call timeout for logger_server to infinity
Update primary bootstrap
Test cuddle for logger
Update cth_log_redirect to a logger handler
Start using logger internally in kernel and stdlib
Remove error_logger process and add logger process
Add logger
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This env var lookup may fail during termination, when
application_controller process has terminated before logger.
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This is to avoid failing starts when running make with '-j',
i.e. maximum parallell make (or on extremely slow machines).
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* Move the node name check earlier
* Check while still a list
* Export allowed check function
* Make allowed check function handle atom and list mixes
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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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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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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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* sverker/send-tick/OTP-14681:
kernel: Fix and improve send_tick logic
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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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