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During allocation, the table may not have been allocated yet which would
crash in the st_foreach.
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WeakMap can crash during compaction because the st_insert could allocate
memory.
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Notes:
Merged: https://github.com/ruby/ruby/pull/8113
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assert_separately adds --disable=gems so we don't need to add
--disable-gems when calling assert_separately.
Notes:
Merged: https://github.com/ruby/ruby/pull/8162
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[Feature #19561]
It's useful to be able to remove references from weak maps.
Notes:
Merged: https://github.com/ruby/ruby/pull/7629
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Some platforms don't support compaction, so we should skip this test.
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[Bug #19531]
```ruby
wmap[1] = "A"
wmap[1] = "B"
```
In the example above, we need to remove the `"A" => 1` inverse reference
so that when `"A"` is GCed the `1` key isn't deleted.
Notes:
Merged: https://github.com/ruby/ruby/pull/7540
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[Bug #19529]
The fix for [Bug #19529] in commit 548086b contained a bug that crashes
on the following script:
```
wm = ObjectSpace::WeakMap.new
obj = Object.new
100.times do
wm[Object.new] = obj
GC.start
end
GC.compact
```
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[Bug #19529]
`rb_gc_update_tbl_refs` can't be used on `w->obj2wmap` because it's
not a `VALUE -> VALUE` table, but a `VALUE -> VALUE *` table, so
we need some dedicated iterator.
Notes:
Merged: https://github.com/ruby/ruby/pull/7518
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There's a memory leak in ObjectSpace::WeakMap due to not freeing
the `struct weakmap`. It can be seen in the following script:
```
100.times do
10000.times do
ObjectSpace::WeakMap.new
end
# Output the Resident Set Size (memory usage, in KB) of the current Ruby process
puts `ps -o rss= -p #{$$}`
end
```
Notes:
Merged: https://github.com/ruby/ruby/pull/7223
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Notes:
Merged: https://github.com/ruby/ruby/pull/5453
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Notes:
Merged: https://github.com/ruby/ruby/pull/5453
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Notes:
Merged: https://github.com/ruby/ruby/pull/5224
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[feature #16035]
This goes one step farther than what nobu did in [feature #13498]
With this patch, special objects such as static symbols, integers, etc can be used as either key or values inside WeakMap. They simply don't have a finalizer defined on them.
This is useful if you need to deduplicate value objects
Notes:
Merged: https://github.com/ruby/ruby/pull/2313
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* gc.c (wmap_aset): bypass check for frozen and allow frozen
object in WeakMap. [Bug #13498]
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62781 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* test/ruby/test_weakmap.rb (test_include?): create and release
the object to be garbage-collected in deeper frame.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62748 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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[Fix GH-1763]
From: MSP-Greg <MSP-Greg@users.noreply.github.com>
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62738 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60491 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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When you change this to true, you may need to add more tests.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53141 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* test/lib/find_executable.rb: Ditto.
* test/lib/memory_status.rb: Ditto.
* test/lib/test/unit.rb: require envutil.
* test/: Don't require envutil in test files.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48409 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* gc.c (should_be_finalizable): check frozen after checkin FL_ABLE.
* object.c (rb_obj_taint): check
OBJ_TAINTABLE(obj).
* object.c (rb_obj_freeze): remove immediate_frozen_tbl
because all of immediate values are frozen. YAY!
* object.c (rb_obj_frozen_p): ditto.
* test/ruby/test_eval.rb: skip instance_variable_set for
frozen objects.
* test/ruby/test_weakmap.rb: check ArgumentError instead of
RuntimeError.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47523 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* test/ruby/test_weakmap.rb (test_include?): create target object in a
block, so that collected soon as possible.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44178 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* test/ruby/test_weakmap.rb (test_include?): Object.new does not
excute the block, use tap.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44176 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* test/ruby/test_weakmap.rb (test_include?): isolate weak
referenced object.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44174 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* gc.c (wmap_aset): check if both arguments are able to finalize
before setting finalizers.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44108 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* gc.c (wmap_inspect_i): fix key/value order.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44107 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* gc.c (wmap_size): add ObjectSpace::WeakMap#size and #length.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44093 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* test/ruby/test_weakmap.rb: test for ObjectSpace::WeakMap.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44092 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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