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design docs: fix 2 typos in part-MT-refcounting

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Cai Yuanqing 2011-01-25 00:20:34 +08:00 committed by Sebastian Dröge
parent 3d858ccc18
commit eea239f47c
1 changed files with 2 additions and 2 deletions
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4
docs/design/part-MT-refcounting.txt
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@ -55,7 +55,7 @@ Shared data structures and writability:
The advantage of this method is that no reader/writers locks are needed. all The advantage of this method is that no reader/writers locks are needed. all
threads can concurrently read but writes happen locally on a new copy. In most threads can concurrently read but writes happen locally on a new copy. In most
cases _get_writable() can avoid a real copy because the calling method is the cases _get_writable() can avoid a real copy because the calling method is the
only one holding a reference, wich makes read/writes very cheap. only one holding a reference, which makes read/write very cheap.
The drawback is that sometimes 1 needless copy can be done. This would happen The drawback is that sometimes 1 needless copy can be done. This would happen
when N threads call _get_writable() at the same time, all seeing that N when N threads call _get_writable() at the same time, all seeing that N
@ -193,7 +193,7 @@ Objects
disposed it has to unset itself as the parent of the object before disposing disposed it has to unset itself as the parent of the object before disposing
itself, else the child object holds a parent pointer to invalid memory. itself, else the child object holds a parent pointer to invalid memory.
The responsibilites for an object that sinks other objects are summarised as: The responsibilities for an object that sinks other objects are summarised as:
- taking ownership of the object - taking ownership of the object
- call _object_set_parent() to set itself as the object parent, this call - call _object_set_parent() to set itself as the object parent, this call