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hook: make spa_callbacks_call return true

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Make spa_callbacks_call return true when the method could be called
succesfully. This means the callbacks version was correct and the
method existed.

This can then be used to implement a fallback.
This commit is contained in:
Wim Taymans 2021-10-07 10:10:53 +02:00
parent e36183d3cf
commit bb950976da
1 changed files with 4 additions and 1 deletions
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5
spa/include/spa/utils/hook.h
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@ -171,12 +171,15 @@ struct spa_interface {
/**
* Invoke method named \a method in the \a callbacks.
* The \a method_type defines the type of the method struct.
* Returns true if the method could be called, false otherwise.
*/
#define spa_callbacks_call(callbacks,type,method,vers,...) \
({ \
const type *_f = (const type *) (callbacks)->funcs; \
if (SPA_LIKELY(SPA_CALLBACK_CHECK(_f,method,vers))) \
bool _res = SPA_CALLBACK_CHECK(_f,method,vers); \
if (SPA_LIKELY(_res)) \
_f->method((callbacks)->data, ## __VA_ARGS__); \
_res; \
})
/**