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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.
If rather than formatting bugs, you encounter substantive content errors in these documents, such as mistakes in the explanations or code, please use the perlbug utility included with the Perl distribution.
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