HIDDEN void *
mem_pool_alloc(MemPool *pool, size_t size)
{
assert(pool != NULL);
if (pool->free < size)
mem_block_new(pool, size);
size += POINTER_ALIGN(size);
pool->base += size;
pool->free -= size;
return pool->base - size;
}
volatile char *shm_alloc(unsigned int size, char align) {
if (align < 1)
align = CACHELINE_SIZE;
volatile char *shm = POINTER_ALIGN(shm_next, align);
if (shm < shm_next)
die(0, "failed to align pointer at %d", align);
if ((unsigned long)((char *) shm) % align != 0)
die(0, "failed to align pointer at %d", align);
if (shm + size >= shm_base + SHM_SIZE)
die(0, "shared memory segment too small");
shm_next = shm + size;
return shm;
}
