/**
* Try to free some memory (depending on severity).
*/
void
ecma_try_to_give_back_some_memory (mem_try_give_memory_back_severity_t severity) /**< severity of
* the request */
{
if (severity == MEM_TRY_GIVE_MEMORY_BACK_SEVERITY_LOW)
{
/*
* If there is enough newly allocated objects since last GC, probably it is worthwhile to start GC now.
* Otherwise, probability to free sufficient space is considered to be low.
*/
if (ecma_gc_new_objects_since_last_gc * CONFIG_ECMA_GC_NEW_OBJECTS_SHARE_TO_START_GC > ecma_gc_objects_number)
{
ecma_gc_run ();
}
}
else if (severity == MEM_TRY_GIVE_MEMORY_BACK_SEVERITY_MEDIUM
|| severity == MEM_TRY_GIVE_MEMORY_BACK_SEVERITY_HIGH)
{
ecma_gc_run ();
}
else
{
JERRY_ASSERT (severity == MEM_TRY_GIVE_MEMORY_BACK_SEVERITY_CRITICAL);
/* Freeing as much memory as we currently can */
ecma_lcache_invalidate_all ();
ecma_gc_run ();
}
} /* ecma_try_to_give_back_some_memory */
/**
* Finalize ECMA components
*/
void
ecma_finalize (void)
{
mem_unregister_a_try_give_memory_back_callback (ecma_try_to_give_back_some_memory);
ecma_finalize_environment ();
ecma_lcache_invalidate_all ();
ecma_finalize_builtins ();
ecma_gc_run ();
} /* ecma_finalize */
/**
* Try to free some memory (depending on severity).
*/
void
ecma_try_to_give_back_some_memory (mem_try_give_memory_back_severity_t severity) /**< severity of
* the request */
{
if (severity == MEM_TRY_GIVE_MEMORY_BACK_SEVERITY_LOW)
{
ecma_gc_run ();
}
else if (severity == MEM_TRY_GIVE_MEMORY_BACK_SEVERITY_MEDIUM
|| severity == MEM_TRY_GIVE_MEMORY_BACK_SEVERITY_HIGH)
{
/* we have already done simple GC as requests come in ascending severity order */
}
else
{
JERRY_ASSERT (severity == MEM_TRY_GIVE_MEMORY_BACK_SEVERITY_CRITICAL);
/* Freeing as much memory as we currently can */
ecma_lcache_invalidate_all ();
ecma_gc_run ();
}
} /* ecma_try_to_give_back_some_memory */
