shmwrite
shmwrite id, string, pos, size
Writes to the shared memory segment ID starting at
position pos
for size
size
(by attaching to it, copying in,
and detaching from it). If string
is
too long, only size
bytes are used; if
string
is too short, nulls are written
to fill out size
bytes. 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.
3.139.103.204