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loop: move thread-loop to support loop

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Add more synchronization primitives to spa loop so that we can replace
the thread-loop with it.
This commit is contained in:
Wim Taymans 2025-03-10 13:31:41 +01:00
parent cd1d9ceff1
commit fb49e0795c
6 changed files with 133 additions and 194 deletions
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29
spa/include/spa/support/loop.h
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@ -306,15 +306,27 @@ struct spa_loop_control_methods {
* \param[in] abstime the maximum time to wait for the signal or NULL
* \return 0 on success or a negative return value on error.
*/
int (*wait) (void *object, struct timespec *abstime);
int (*wait) (void *object, const struct timespec *abstime);
/** Signal waiters
* Wake up all thread blocked in wait. Since version 2:2
* Wake up all threads blocked in wait. Since version 2:2
* When wait_for_accept is set, this functions blocks until all
* threads performed accept.
*
* \param[in] object the control
* \param[in] wait_for_accept block for accept
* \return 0 on success or a negative return value on error.
*/
int (*signal) (void *object, bool wait_for_accept);
/** Accept signalers
* Resume the thread that signaled with wait_for accept.
*
* \param[in] object the control
* \return 0 on success or a negative return value on error.
*/
int (*signal) (void *object);
int (*accept) (void *object);
};
SPA_API_LOOP int spa_loop_control_get_fd(struct spa_loop_control *object)
@ -371,15 +383,20 @@ SPA_API_LOOP int spa_loop_control_get_time(struct spa_loop_control *object,
spa_loop_control, &object->iface, get_time, 2, abstime, timeout);
}
SPA_API_LOOP int spa_loop_control_wait(struct spa_loop_control *object,
struct timespec *abstime)
const struct timespec *abstime)
{
return spa_api_method_r(int, -ENOTSUP,
spa_loop_control, &object->iface, wait, 2, abstime);
}
SPA_API_LOOP int spa_loop_control_signal(struct spa_loop_control *object)
SPA_API_LOOP int spa_loop_control_signal(struct spa_loop_control *object, bool wait_for_accept)
{
return spa_api_method_r(int, -ENOTSUP,
spa_loop_control, &object->iface, signal, 2);
spa_loop_control, &object->iface, signal, 2, wait_for_accept);
}
SPA_API_LOOP int spa_loop_control_accept(struct spa_loop_control *object)
{
return spa_api_method_r(int, -ENOTSUP,
spa_loop_control, &object->iface, accept, 2);
}
typedef void (*spa_source_io_func_t) (void *data, int fd, uint32_t mask);