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ladspa: atomically get and set pending_deactivation

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This commit is contained in:
derselbst 2017-10-21 18:31:20 +02:00
parent 81505b9324
commit 6c69b8ccff
1 changed files with 4 additions and 4 deletions
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8
src/bindings/fluid_ladspa.c
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@ -277,7 +277,7 @@ int fluid_ladspa_deactivate(fluid_ladspa_fx_t *fx)
/* Notify fluid_ladspa_run that we would like to deactivate and that it should /* Notify fluid_ladspa_run that we would like to deactivate and that it should
* send us a signal when its done if it is currently running */ * send us a signal when its done if it is currently running */
fx->pending_deactivation = 1; fluid_atomic_int_set(&fx->pending_deactivation, 1);
fluid_cond_mutex_lock(fx->run_finished_mutex); fluid_cond_mutex_lock(fx->run_finished_mutex);
while (!fluid_atomic_int_compare_and_exchange(&fx->state, FLUID_LADSPA_ACTIVE, FLUID_LADSPA_INACTIVE)) while (!fluid_atomic_int_compare_and_exchange(&fx->state, FLUID_LADSPA_ACTIVE, FLUID_LADSPA_INACTIVE))
@ -292,7 +292,7 @@ int fluid_ladspa_deactivate(fluid_ladspa_fx_t *fx)
deactivate_plugin(fx->plugins[i]); deactivate_plugin(fx->plugins[i]);
} }
fx->pending_deactivation = 0; fluid_atomic_int_set(&fx->pending_deactivation, 0);
LADSPA_API_RETURN(fx, FLUID_OK); LADSPA_API_RETURN(fx, FLUID_OK);
} }
@ -342,7 +342,7 @@ void fluid_ladspa_run(fluid_ladspa_fx_t *fx, fluid_real_t *left_buf[], fluid_rea
/* Somebody wants to deactivate the engine, so let's give them a chance to do that. /* Somebody wants to deactivate the engine, so let's give them a chance to do that.
* And check that there is at least one plugin loaded, to avoid the overhead of the * And check that there is at least one plugin loaded, to avoid the overhead of the
* atomic compare and exchange on an unconfigured LADSPA engine. */ * atomic compare and exchange on an unconfigured LADSPA engine. */
if (fx->pending_deactivation || fx->num_plugins == 0) if (fluid_atomic_int_get(&fx->pending_deactivation) || fx->num_plugins == 0)
{ {
return; return;
} }
@ -392,7 +392,7 @@ void fluid_ladspa_run(fluid_ladspa_fx_t *fx, fluid_real_t *left_buf[], fluid_rea
/* If deactivation was requested while in running state, notify that we've finished now /* If deactivation was requested while in running state, notify that we've finished now
* and deactivation can proceed */ * and deactivation can proceed */
if (fx->pending_deactivation) if (fluid_atomic_int_get(&fx->pending_deactivation))
{ {
fluid_cond_mutex_lock(fx->run_finished_mutex); fluid_cond_mutex_lock(fx->run_finished_mutex);
fluid_cond_broadcast(fx->run_finished_cond); fluid_cond_broadcast(fx->run_finished_cond);