result = ltt_chan->buf_shmid = shmget(getpid(), size, IPC_CREAT | IPC_EXCL | 0700);
if(ltt_chan->buf_shmid == -1) {
PERROR("shmget");
result = ltt_chan->buf_shmid = shmget(getpid(), size, IPC_CREAT | IPC_EXCL | 0700);
if(ltt_chan->buf_shmid == -1) {
PERROR("shmget");