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perlfunc:shmctl

by gods
on Aug 24, 1999 at 22:42 UTC ( #279=perlfunc: print w/replies, xml ) Need Help??

shmctl

See the current Perl documentation for shmctl.

Here is our local, out-dated (pre-5.6) version:


shmctl - SysV shared memory operations



shmctl ID,CMD,ARG



Calls the System V IPC function shmctl. You'll probably have to say

    use IPC::SysV;

first to get the correct constant definitions. If CMD is IPC_STAT, then ARG must be a variable which will hold the returned shmid_ds structure. Returns like ioctl: the undefined value for error, ``0 but true'' for zero, or the actual return value otherwise. See also IPC::SysV documentation.


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