create writer 1 3
create reader1 1 3
create reader2 1 3
create sender 1 3
pipe_create
pipe_read 1 2
pipe_read 1 3
pipe_write 1 1 data
send 4 3 queued
shm_create 16
shm_attach 1 1
shm_attach 1 2
shm_write 1 1 0 alpha
shm_write 1 2 5 beta
shm_read 1 2 0 12
ps
queue
exit
