You are viewing the version of this documentation from Perl 5.33.1. This is a development release of Perl.
shmget KEY,SIZE,FLAGS

Calls the System V IPC function shmget. Returns the shared memory segment id, or undef on error. See also "SysV IPC" in perlipc and the documentation for IPC::SysV.

Portability issues: "shmget" in perlport.