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loop: add method to run a function with the lock

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Convert some _invoke to _locked
This commit is contained in:
Wim Taymans 2025-03-10 17:24:13 +01:00
parent fb49e0795c
commit f7fdafc203
18 changed files with 99 additions and 57 deletions
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27
spa/include/spa/support/loop.h
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@ -133,6 +133,24 @@ struct spa_loop_methods {
size_t size,
bool block,
void *user_data);
/** Call a function with the loop lock acquired
* May be called from any thread and multiple threads at the same time.
*
* \param[in] object The callbacks data.
* \param func The function to be called.
* \param seq An opaque sequence number. This will be made
* available to func.
* \param[in] data Data that will be passed to func.
* \param size The size of data.
* \param user_data An opaque pointer passed to func.
* \return the return value of func. */
int (*locked) (void *object,
spa_invoke_func_t func,
uint32_t seq,
const void *data,
size_t size,
void *user_data);
};
SPA_API_LOOP int spa_loop_add_source(struct spa_loop *object, struct spa_source *source)
@ -158,6 +176,15 @@ SPA_API_LOOP int spa_loop_invoke(struct spa_loop *object,
spa_loop, &object->iface, invoke, 0, func, seq, data,
size, block, user_data);
}
SPA_API_LOOP int spa_loop_locked(struct spa_loop *object,
spa_invoke_func_t func, uint32_t seq, const void *data,
size_t size, void *user_data)
{
return spa_api_method_r(int, -ENOTSUP,
spa_loop, &object->iface, locked, 0, func, seq, data,
size, user_data);
}
/** Control hooks. These hooks can't be removed from their
* callbacks and must be removed from a safe place (when the loop