You are viewing the version of this documentation from Perl blead.
This is the main development branch of Perl.
(git commit 93c691b8a6c32a3223371c82b46e29a16ef500f2)
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.