Module Dn_shm
module Dn_shm:Shared memory for transmitting data from the main process to the I/O processes and vice versasig..end
class type dn_shm_config =object..end
type
val create : dn_shm_config -> string
Creates the shm object and returns its name
val unlink : string -> unit
Unlinks the name. Failsafe
val openshm : dn_shm_config -> string -> dn_shm
Maps the shm object
val length : dn_shm -> int
Returns
dn_shm_queue_lengthval blocksize : dn_shm -> int
Returns
dn_blocksizeval slot : dn_shm -> int -> Netsys_mem.memory * intlet (mem,pos) = slot shm i: Accesses the slot i of the shm
object shm. Requires that 0 <= i < length . The slot occupies
the byte range pos to pos+blocksize-1 in mem