Name
shmread
Synopsis
shmread id, var, pos, size
Reads from the shared memory segment
id starting at position
pos for size
size (by attaching to it, copying out,
and detaching from it). var must be a
variable that will hold the data read. The function returns true
if successful or false if there is an error. On error, it puts the
error code into $!. This
function is available only on machines supporting System V
IPC.
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