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-rw-r--r--src/jalv.c1
-rw-r--r--src/jalv_internal.h1
-rw-r--r--src/worker.c4
3 files changed, 6 insertions, 0 deletions
diff --git a/src/jalv.c b/src/jalv.c
index a78827f..79847c7 100644
--- a/src/jalv.c
+++ b/src/jalv.c
@@ -1001,6 +1001,7 @@ main(int argc, char** argv)
jalv.symap = symap_new();
zix_sem_init(&jalv.symap_lock, 1);
+ zix_sem_init(&jalv.work_lock, 1);
uri_map_feature.data = &uri_map;
uri_map.callback_data = &jalv;
diff --git a/src/jalv_internal.h b/src/jalv_internal.h
index 818f19c..96433c5 100644
--- a/src/jalv_internal.h
+++ b/src/jalv_internal.h
@@ -267,6 +267,7 @@ struct Jalv {
void* ui_event_buf; ///< Buffer for reading UI port events
JalvWorker worker; ///< Worker thread implementation
JalvWorker state_worker; ///< Synchronous worker for state restore
+ ZixSem work_lock; ///< Lock for plugin work() method
ZixSem* done; ///< Exit semaphore
ZixSem paused; ///< Paused signal from process thread
JalvPlayState play_state; ///< Current play state
diff --git a/src/worker.c b/src/worker.c
index 79b220c..9035733 100644
--- a/src/worker.c
+++ b/src/worker.c
@@ -50,8 +50,10 @@ worker_func(void* data)
jack_ringbuffer_read(worker->requests, (char*)buf, size);
+ zix_sem_wait(&jalv->work_lock);
worker->iface->work(
jalv->instance->lv2_handle, jalv_worker_respond, worker, size, buf);
+ zix_sem_post(&jalv->work_lock);
}
free(buf);
@@ -105,8 +107,10 @@ jalv_worker_schedule(LV2_Worker_Schedule_Handle handle,
zix_sem_post(&worker->sem);
} else {
// Execute work immediately in this thread
+ zix_sem_wait(&jalv->work_lock);
worker->iface->work(
jalv->instance->lv2_handle, jalv_worker_respond, worker, size, data);
+ zix_sem_post(&jalv->work_lock);
}
return LV2_WORKER_SUCCESS;
}