You are viewing the version of this documentation from Perl blead.
This is the main development branch of Perl.
(git commit f24efeaf1366547f2d91ffedfad36e17aba27e50)
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.