/**
* Allocate a chunk of specified size
*
* @return pointer to allocated chunk, if allocation was successful,
* or NULL - if not enough memory.
*/
uint8_t* __attr_always_inline___
mem_pools_alloc (void)
{
#ifdef MEM_GC_BEFORE_EACH_ALLOC
mem_run_try_to_give_memory_back_callbacks (MEM_TRY_GIVE_MEMORY_BACK_SEVERITY_HIGH);
#endif /* MEM_GC_BEFORE_EACH_ALLOC */
mem_check_pools ();
do
{
if (mem_free_chunk_p != NULL)
{
mem_pool_chunk_t *chunk_p = mem_free_chunk_p;
MEM_POOLS_STAT_ALLOC_CHUNK ();
#ifndef JERRY_NDEBUG
mem_free_chunks_number--;
#endif /* !JERRY_NDEBUG */
VALGRIND_DEFINED_SPACE (chunk_p, MEM_POOL_CHUNK_SIZE);
mem_free_chunk_p = chunk_p->u.free.next_p;
VALGRIND_UNDEFINED_SPACE (chunk_p, MEM_POOL_CHUNK_SIZE);
mem_check_pools ();
VALGRIND_FREYA_MALLOCLIKE_SPACE (chunk_p, MEM_POOL_CHUNK_SIZE);
return (uint8_t *) chunk_p;
}
else
{
mem_pools_alloc_longpath ();
/* the assertion guarantees that there will be no more than two iterations */
JERRY_ASSERT (mem_free_chunk_p != NULL);
}
} while (true);
} /* mem_pools_alloc */
/**
* Allocate a chunk of specified size
*
* @return pointer to allocated chunk, if allocation was successful,
* or NULL - if not enough memory.
*/
uint8_t*
mem_pools_alloc (void)
{
if (mem_pools == NULL || mem_pools->first_free_chunk == MEM_POOL_CHUNKS_NUMBER)
{
if (!mem_pools_alloc_longpath ())
{
return NULL;
}
}
JERRY_ASSERT (mem_pools != NULL && mem_pools->first_free_chunk != MEM_POOL_CHUNKS_NUMBER);
/**
* And allocate chunk within it.
*/
mem_free_chunks_number--;
MEM_POOLS_STAT_ALLOC_CHUNK ();
return mem_pool_alloc_chunk (mem_pools);
} /* mem_pools_alloc */
