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Perl Language Reference Manual
by Larry Wall and others
Paperback (6"x9"), 724 pages
ISBN 9781906966027
RRP £29.95 ($39.95)

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Calls the System V IPC function semget(2). Returns the semaphore id, or the undefined value if there is an error. See also 20.8, IPC::SysV, IPC::SysV::Semaphore documentation.

ISBN 9781906966027Perl Language Reference ManualSee the print edition