Name
shmwrite
Synopsis
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.
Get Perl in a Nutshell, 2nd Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.