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Man Pages
Devel::RingBuffer::Ring(3) User Contributed Perl Documentation Devel::RingBuffer::Ring(3)

Devel::RingBuffer::Ring - Single ring of a Devel::RingBuffer

    #
    #    create ringbuffer
        #
        use Devel::RingBuffer;
        use Devel::RingBuffer::TieInt;

        my $ringbuf = Devel::RingBuffer->new(
                File => 'somefile.trace',
                Rings => 20,
                Slots => 20,
                MessageSize => 256,
                GlobalSize => 24 * 1024,
                StopOnCreate => 0,
                TraceOnCreate => 1) || die "Can't create a ring buffer.";

        my $ring = $ringbuf->allocate();
        #
        #       setup the next slot in the ring
        #
        $depth = $ring->nextSlot();
        #
        #       update the current slot with the new linenumber and timestamp
        #
        $ring->updateSlot();
        #
        #       free the current slot when we return from its subroutine call
        #
        $depth = $ring->freeSlot();

Provides shared memory structures (using memory mapped files via IPC::Mmap and Devel::RingBuffer).

Refer to included classdocs for summary and detailed method descriptions.

Devel::RingBuffer

Devel::STrace

IPC::Mmap

perldebguts

strace(1) (or truss(1))

Dean Arnold <mailto:darnold@presicient.com>

Copyright(C) 2006, Dean Arnold, Presicient Corp., USA. All rights reserved.

Permission is granted to use this software under the same terms as Perl itself. Refer to the Perl Artistic License for details.

2006-08-13 perl v5.32.1

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