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support: add support for checking loop context

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Add check for running the the loop context and thread.

Add checks in filter and stream to avoid doing things when not run from
the context main-loop because this can crash things when doing IPC from
concurrent threads.
This commit is contained in:
Wim Taymans 2023-03-31 18:40:57 +02:00
parent a6497839bb
commit 74831aa967
7 changed files with 147 additions and 2 deletions
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8
spa/plugins/support/loop.c
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@ -356,6 +356,13 @@ static void loop_leave(void *object)
}
}
static int loop_check(void *object)
{
struct impl *impl = object;
pthread_t thread_id = pthread_self();
return (impl->thread == 0 || pthread_equal(impl->thread, thread_id)) ? 1 : 0;
}
static inline void free_source(struct source_impl *s)
{
detach_source(&s->source);
@ -826,6 +833,7 @@ static const struct spa_loop_control_methods impl_loop_control = {
.enter = loop_enter,
.leave = loop_leave,
.iterate = loop_iterate,
.check = loop_check,
};
static const struct spa_loop_utils_methods impl_loop_utils = {