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false should be never, false not found in the source code
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* origin/raimo/ssl-dist-bench/OTP-14657:
Write SSL distribution benchmarks
Polish SSL distribution
Handle whitebox test message
Correct distribution doc
Use SNI when connecting
Use -ssl_dist_optfile options
Read in -ssl_dist_optfile to ETS
Facilitate test certs with common root
Stop checking DNS name for SNI
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The option no longer does anything; systems that lack support for
non-blocking sendfile(2) will use the Erlang fallback.
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The parts relating to drivers/ports are now obsolete, and the
provided example was far noisier than it had to be; the only
relevant metric is the number of calls and it's up to the user to
decide how those will be reduced. One could argue for its complete
removal, but I'm inclined to leave it be.
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* lukas/system/improve_profile_docs/OTP-14633:
erts: Add term2bin note about encoding guarantee
Fix broken link in INSTALL howto
system: Add info to profiling effeciency guide
Update message queue and pinfo binary docs
kernel: Clarify gen_tcp:listen documentation
system: Add External OSS tools section to profiling guilde
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This commit also adds a check to see that all files that
are part of an xi:include also have part of XML_FILES
and vice versa. It also fixes any applications where this
was not true.
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* rickard/null-chars/ERL-370/OTP-14543:
Don't allow null chars in various strings
Conflicts:
erts/emulator/beam/erl_alloc.types
erts/preloaded/ebin/erlang.beam
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* maint:
Revert "Merge branch 'rickard/null-char-filenames/ERL-370/OTP-14543' into maint"
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This reverts commit 0717a2194e863f3a78595184ccc5637697f03353, reversing
changes made to 71a40658a0cef8b3e25df3a8e48a72d0563a89bf.
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Various places that now reject null chars inside strings
- Primitive file operations reject it in filenames.
- Primitive environment variable operations reject it in
names and values.
- os:cmd() reject it in its input.
Also '=' characters are rejected by primitive environment
variable operations in environment variable names.
Documentation has been updated to document null characters
in these types of data as invalid. Currently these operations
accept null chars at the end of strings, but that will change
in the future.
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* lars/doc-cleanup/OTP-14475:
[edoc] Remove unused module otpsgml_layout.erl
Remove unused files from the documentation build
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* maint:
Don't allow null in filenames
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query was no longer a keyword since the commit 0dc3a29744bed0b7f483ad72e19773dc0982ea50 2012-11-19.
So the quotes around query, when it used as atom, no needed.
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* maint-20:
Updated OTP version
Update release notes
Update version numbers
Fix doc for the 'quiet' option; it defaults to false
asn1: Fix missing quotes of external encoding call
Add a dedicated close function for TCP ports to prevent issues like ERL-430/448
Close TCP ports properly on send timeout
erts: Add missing release note
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* john/kernel/fix-disk-log-docs/OTP-14498:
Fix doc for the 'quiet' option; it defaults to false
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This allows the use of ~ts/~tp/~tw in calls to error_logger:format/2,
error_logger:error_msg/2 and error_logger:info_msg/2.
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This reverts commit eaf8ca41dfa4850437ad270d3897399c9358ced0.
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kernel: inet - fix invalid IPv4-mapped-address examples
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* lukas/doc/extend-secure-distr-warn/OTP-14425:
otp: Extend secure distribution docs warnings
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Warnings have been added to the relevant documentation
about not using un-secure distributed nodes in exposed
environments.
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This patch adds a mechanism by which shell history gets stored
persistently on disk and gets loaded whenever a new shell session
begins.
The log files are added to the user's cache directory, with multiple
files in it, although the location is configurable.
All Erlang instances on a given host will share the same log file.
There are two hook points in group.erl that are used: when instantiating
the buffer, where we fetch from disk, and when adding a line to the
buffer (gets stored).
This allows all shell instances to use the same base set of lines when
loaded, but to keep their history separate after the fact. As lines are
added as you go, a new shell session (with ^G -> s -> c) will have
access to previous sessions' lines.
The implementation makes use of the disk_log library with a rotating log
in order to store data, and allow automated repairs.
By default, the feature is disabled and must be turned on through OTP
environment variable part of the kernel application. The options
include:
| Option | Accepted values | Default | Description |
| ------------------------ | ----------------- |---------- | -------------------- |
| shell_history | enabled, disabled | disabled | turn feature on/off |
| shell_history_path | any string | user cache| where to put files |
| shell_history_file_bytes | 51200..N bytes | 512kb | max data size (>50kb)|
| shell_history_drop | ["q().", ...] | [] | blacklisted lines |
A version header is added to the disk_log configuration, allowing
changes in the storage format to be enacted in the future (i.e. adding
segmentation by node name in the same file, or encoding) without
conflict.
Log rotation is used with multiple log files to ensure proper
enforcement of resizing without too much data loss. Because disk_log
does not allow to just flush bits of content on rewrite (it truncates
any full file), we instead use a wrap log and try to divide the
configured size into up to 10 log files so that every time we rotate a
log, we lose only 10% of the data. This remains true for corrupted files
that cannot fully be repaired.
This many-logs-based approach in turn forces the use of a minimal log
size for the `shell_history_file_bytes` configuration, since it has to
be divided by 10.
The shell history is not loaded for the `user` process which, despite
running the group.erl module, does not actually require history as it
mostly just forwards IO protocol information.
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This option allows to suppress output of info_msgs to error_logger when
recoverable errors are encountered in disk_log by setting the value to
'true'.
Defaults to 'false', the backwards compatible behaviour.
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This reverts commit dc57404252c47520f352834ad9be45ad684f96c9.
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* IPv6 address FFFF::192.168.42.2 is an invalid form as an IPv4-mapped address.
This should be fixed as ::FFFF:192.168.42.2.
The assigned address block is ::ffff:0:0/96.
See RFC6890 Table 20 in the Section 2.2.2 for the further details.
And for this IPv4-mapped address use *only*,
the 32bit LSB of the IPv6 address can be written
with the respective IPv4 address.
See RFC4291 Section 2.2 Form 3 for the further details.
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bind to device is needed to properly support VRF-Lite under
Linux (see [1] for details).
[1]: https://www.kernel.org/doc/Documentation/networking/vrf.txt
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* lukas/kernel/gen_tcp_close_docs:
kernel: Expand gen_tcp:close docs with send text
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This commit attempts to clarify some of the guarantees given by
the TCP standard when issuing close. This is quite a complex
topic so there are probably corner cases still left, but this
at least tells the user that things can go wrong when doing
a close.
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