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Support implicit detachment of CEF V8 references when the associated context is released (issue #484).

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git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@881 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
This commit is contained in:
Marshall Greenblatt
2012-10-29 21:46:02 +00:00
parent 95b29d590d
commit 0cea9668fe
25 changed files with 505 additions and 31 deletions
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19
include/internal/cef_types.h
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@@ -252,6 +252,25 @@ typedef struct _cef_settings_t {
// Chrome browser window.
///
int remote_debugging_port;
///
// By default CEF V8 references will be invalidated (the IsValid() method will
// return false) after the owning context has been released. This reduces the
// need for external record keeping and avoids crashes due to the use of V8
// references after the associated context has been released.
//
// CEF currently offers two context safety implementations with different
// performance characteristics. The default implementation (value of 0) uses a
// map of hash values and should provide better performance in situations with
// a small number contexts. The alternate implementation (value of 1) uses a
// hidden value attached to each context and should provide better performance
// in situations with a large number of contexts.
//
// If you need better performance in the creation of V8 references and you
// plan to manually track context lifespan you can disable context safety by
// specifying a value of -1.
///
int context_safety_implementation;
} cef_settings_t;
///

1
include/internal/cef_types_wrappers.h
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@@ -300,6 +300,7 @@ struct CefSettingsTraits {
&target->locales_dir_path, copy);
target->pack_loading_disabled = src->pack_loading_disabled;
target->remote_debugging_port = src->remote_debugging_port;
target->context_safety_implementation = src->context_safety_implementation;
}
};