1 ipc - interprocess communication
2 copyless memory passing of asset data
4 minimize memory copies by storing struct in shmem heap
10 void *shmat(int shmid, const void *shmaddr, int shmflg);
12 int shmdt(const void *shmaddr);
14 // grab a page locked in memory - SHM_RDONLY if reader
15 shmat(31337, NULL, SHM_RND);