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This fixes issues with paths being loaded twice in certain cases
when symlinks are used.
It took me multiple attempts to get this working. My original
attempt tried to convert paths to realpaths before adding them
to $LOADED_FEATURES. Unfortunately, this doesn't work well
with the loaded feature index, which is based off load paths
and not realpaths. While I was able to get require working, I'm
fairly sure the loaded feature index was not being used as
expected, which would have significant performance implications.
Additionally, I was never able to get that approach working with
autoload when autoloading a non-realpath file. It also broke
some specs.
This takes a more conservative approach. Directly before loading the
file, if the file with the same realpath has been required, the
loading of the file is skipped. The realpaths are stored as
fstrings in a hidden hash.
When rebuilding the loaded feature index, the hash of realpaths
is also rebuilt. I'm guessing this makes rebuilding process
slower, but I don think that is a hot path. In general, modifying
loaded features is only done when reloading, and that tends to be
in non-production environments.
Change test_require_with_loaded_features_pop test to use 30 threads
and 300 iterations, instead of 4 threads and 1000 iterations.
I saw only sporadic failures with 4/1000, but consistent failures
30/300 threads. These failures were due to the fact that the
concurrent deletions from $LOADED_FEATURES in other threads can
result in rb_ary_entry returning nil when rebuilding the loaded
features index.
To avoid concurrency issues when rebuilding the loaded features
index, the building of the index itself is left alone, and
afterwards, a separate loop is done on a copy of the loaded feature
snapshot in order to rebuild the realpaths hash.
Fixes [Bug #17885]
Notes:
Merged: https://github.com/ruby/ruby/pull/4887
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Instead of relying on setting an unsetting ruby_verbose, which is
not thread-safe, restructure require_internal and load_lock to
accept a warn argument for whether to warn, and add
rb_require_internal_silent to require without warnings. Use
rb_require_internal_silent when loading encoding.
Note this does not modify ruby_debug and errinfo handling, those
remain thread-unsafe.
Also silent requires when loading transcoders.
Notes:
Merged: https://github.com/ruby/ruby/pull/4887
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This reverts commit ddb85c5d2bdf75a83eb163856508691a7436b446.
This commit causes unexpected warnings in TestTranscode#test_loading_race
occasionally in CI.
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This fixes issues with paths being loaded twice in certain cases
when symlinks are used.
It took me multiple attempts to get this working. My original
attempt tried to convert paths to realpaths before adding them
to $LOADED_FEATURES. Unfortunately, this doesn't work well
with the loaded feature index, which is based off load paths
and not realpaths. While I was able to get require working, I'm
fairly sure the loaded feature index was not being used as
expected, which would have significant performance implications.
Additionally, I was never able to get that approach working with
autoload when autoloading a non-realpath file. It also broke
some specs.
This takes a more conservative approach. Directly before loading the
file, if the file with the same realpath has been required, the
loading of the file is skipped. The realpaths are stored as
fstrings in a hidden hash.
When rebuilding the loaded feature index, the hash of realpaths
is also rebuilt. I'm guessing this makes rebuilding process
slower, but I don think that is a hot path. In general, modifying
loaded features is only done when reloading, and that tends to be
in non-production environments.
Change test_require_with_loaded_features_pop test to use 30 threads
and 300 iterations, instead of 4 threads and 1000 iterations.
I saw only sporadic failures with 4/1000, but consistent failures
30/300 threads. These failures were due to the fact that the
concurrent deletions from $LOADED_FEATURES in other threads can
result in rb_ary_entry returning nil when rebuilding the loaded
features index.
To avoid concurrency issues when rebuilding the loaded features
index, the building of the index itself is left alone, and
afterwards, a separate loop is done on a copy of the loaded feature
snapshot in order to rebuild the realpaths hash.
Fixes [Bug #17885]
Notes:
Merged: https://github.com/ruby/ruby/pull/4615
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If $LOADED_FEATURES is changed in the just required file, also the
index table needs to be updated before loaded_features_snapshot is
reset. If the snapshot is reset without updating the table, the
name of the added feature will not be found.
Notes:
Merged: https://github.com/ruby/ruby/pull/4849
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Notes:
Merged: https://github.com/ruby/ruby/pull/4816
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Actually disabled at 181a3a2af5df88d145b73a060d51fe437c8c4ad4 in
2004, it has remained in config.status and been carried over to
rbconfig.rb.
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Notes:
Merged: https://github.com/ruby/ruby/pull/4695
Merged-By: nobu <nobu@ruby-lang.org>
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When attempting to require a file without an extension that has
already been required or provided with an .so extension, only
look for files with an .rb extension. There is no point in
trying to find files with an .so extension, since we already
know one has been loaded.
Previously, attempting to require such a file scanned the load
path twice, once for .rb and once for .so. Now it only scans
once for .rb. The scan once for .rb cannot be avoided, since
the .rb file would take precedence and should be loaded if it
exists.
Fixes [Bug #10902]
Notes:
Merged: https://github.com/ruby/ruby/pull/4687
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When looking for libraries to load with a feature name without
extension, `.rb` files are given priority. However, since the
feature index arrays were not in that order of priority, but in
the order in which they were loaded, a lower priority extension
library might be returned. In that case, the `.rb` file had to be
searched for again from the `$LOAD_PATH`, resulting in poor
performance.
Notes:
Merged: https://github.com/ruby/ruby/pull/4679
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This reverts commit f0f9e77b65990001bd2acb42e1c6b673f6324425.
Notes:
Merged: https://github.com/ruby/ruby/pull/4570
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I think it's more friendly and easier to work with to return `nil` when
the feature is not found in the $LOAD_PATH.
Notes:
Merged: https://github.com/ruby/ruby/pull/2317
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C extensions can violate the ractor-safety, so only ractor-safe
C extensions (C methods) can run on non-main ractors.
rb_ext_ractor_safe(true) declares that the successive
defined methods are ractor-safe. Otherwiwze, defined methods
checked they are invoked in main ractor and raise an error
if invoked at non-main ractors.
[Feature #17307]
Notes:
Merged: https://github.com/ruby/ruby/pull/3824
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Notes:
Merged: https://github.com/ruby/ruby/pull/3589
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Update and format the Kernel#load documentation to separate the
three cases (absolute path, explicit relative path, other), and
also document that it raises LoadError on failure.
Fixes [Bug #16988]
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I'm not necessarily against every goto in general, but jumping into a
branch is definitely a bad idea. Better refactor.
Notes:
Merged: https://github.com/ruby/ruby/pull/3247
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I'm not necessarily against every goto in general, but jumping into a
branch is definitely a bad idea. Better refactor.
Notes:
Merged: https://github.com/ruby/ruby/pull/3247
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Notes:
Merged: https://github.com/ruby/ruby/pull/3167
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`Kernel#.require` and `Kernel#.load` do not search also "explicit
relative path" files, not only absolute paths, in the load path.
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Notes:
Merged: https://github.com/ruby/ruby/pull/3071
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Retrying after rescued `require` should try to load the same
library again. [Bug #16607]
Notes:
Merged: https://github.com/ruby/ruby/pull/2879
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Saves comitters' daily life by avoid #include-ing everything from
internal.h to make each file do so instead. This would significantly
speed up incremental builds.
We take the following inclusion order in this changeset:
1. "ruby/config.h", where _GNU_SOURCE is defined (must be the very
first thing among everything).
2. RUBY_EXTCONF_H if any.
3. Standard C headers, sorted alphabetically.
4. Other system headers, maybe guarded by #ifdef
5. Everything else, sorted alphabetically.
Exceptions are those win32-related headers, which tend not be self-
containing (headers have inclusion order dependencies).
Notes:
Merged: https://github.com/ruby/ruby/pull/2711
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Get rid of infinite recursion in expanding a load path to the real
path while loading a transcoder.
Notes:
Merged: https://github.com/ruby/ruby/pull/2714
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TAG_FATAL represents interpreter closing state and ec->errinfo
contains FIXNUM (eTerminateSignal, etc). If we need to change the
state, then errinfo is also changed because TAG_RAISE assumes that
ec->errinfo contains a Exception object.
Without this patch, TAG_FATAL is ignored and no ec->errinfo change
so that it causes critical issue.
[Bug #16177]
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This removes the security features added by $SAFE = 1, and warns for access
or modification of $SAFE from Ruby-level, as well as warning when calling
all public C functions related to $SAFE.
This modifies some internal functions that took a safe level argument
to no longer take the argument.
rb_require_safe now warns, rb_require_string has been added as a
version that takes a VALUE and does not warn.
One public C function that still takes a safe level argument and that
this doesn't warn for is rb_eval_cmd. We may want to consider
adding an alternative method that does not take a safe level argument,
and warn for rb_eval_cmd.
Notes:
Merged: https://github.com/ruby/ruby/pull/2476
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Looking at the list of symbols inside of libruby-static.a, I found
hundreds of functions that are defined, but used from nowhere.
There can be reasons for each of them (e.g. some functions are
specific to some platform, some are useful when debugging, etc).
However it seems the functions deleted here exist for no reason.
This changeset reduces the size of ruby binary from 26,671,456
bytes to 26,592,864 bytes on my machine.
Notes:
Merged: https://github.com/ruby/ruby/pull/2677
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We can check the function pointer passed to rb_define_global_function
like we do so in rb_define_method. It turns out that almost anybody
is misunderstanding the API.
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They lack portability. See also
https://travis-ci.org/shyouhei/ruby/jobs/577164015
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After 5e86b005c0f2ef30df2f9906c7e2f3abefe286a2, I now think ANYARGS is
dangerous and should be extinct. There is only one usage of
MEMO::u3::func in load.c (where void Init_Foobar(vodi) is registered)
so why not just be explicit.
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After 5e86b005c0f2ef30df2f9906c7e2f3abefe286a2, I now think ANYARGS is
dangerous and should be extinct. This commit uses rb_gvar_getter_t /
rb_gvar_setter_t for rb_define_hooked_variable /
rb_define_virtual_variable which revealed lots of function prototype
inconsistencies. Some of them were literally decades old, going back
to dda5dc00cff334cac373096d444a0fd59e716124.
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Without this patch, "raise" event invoked twice when raise an
exception in "load"ed script.
This patch by danielwaterworth (Daniel Waterworth).
[Bug #15877]
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* load.c (rb_require_internal): make sure in advance that the path
to be loaded shares a fstring, to get rid of dangling path name.
Fixed up 5931857281ce45c1c277aa86d1588119ab00a955. [Bug #16041]
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* RDoc does not seem to support documenting singleton object methods,
and making $LOAD_PATH a class as a workaround is too weird.
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Moved from RubyVM. [Feature #15903]
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