Function shmat

util/system/shmat.cpp:53–55

    }

    static void* shmat(int id, const void* addr, int flag) {
        return (void*)syscall(__NR_shmat, id, addr, flag);
    }

    static int shmctl(int id, int cmd, void* buf) {
        return syscall(__NR_shmctl, id, cmd | IPC_64, buf);