MULTIWRITER 1500 N DRIVER

As shown in FIG. Simon Doherty, David L. And, the ring buffer may be a circular list; the done reader index may be a done reader pointer; the reserved reader index may be a reserved reader pointer; and, the done writer index may be a done writer pointer. Be sure to check the operation before starting to use. For example, a writer may put references to messages into a ring buffer as they are received. The present invention may be implemented in any computer programming language provided that the operating system of the data processing system provides the facilities that may support the requirements of the present invention. Otherwise, the first line will overlap when printing texts on Alarms or sampled data.

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Detlefs, Lindsay Groves, Christine H. While the execution is taking place within this critical section, all other threads which are attempting to access the ring buffer will be blocked.

This is disadvantageous, however, as it works at the expense of blocking concurrent access to the ring buffer and therefore increases latency. The method of claim 13 wherein the single operation is an atomic operation.

Delay unit for a conference audio system, method for delaying audio input signals, computer program and conference audio system. For the details, see the following: These difficulties remain unresolved. However, these solutions do not scale to cover mkltiwriter problems that arise when multiple writers or multiple readers are involved. The invention may be applied in software environments including the following. John’s Newfoundland, Canada, which is incorporated herein by reference.

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In addition, a method for accessing cells of a ring buffer by one or more readers, comprising: The method of claim 1 wherein the done writer index value, the reserved writer index value, and the done reader index value are stored in shared memory accessible multiwriher the one or more writers. Examples of this include: And, the ring buffer may be a circular list; the done reader index may be a done reader pointer; the reserved reader index may be a reserved reader pointer; and, the done writer index may be a done writer pointer.

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The present invention provides an improved multi-reader, multi-writer lock-free ring buffer. The method of claim 11 wherein the done reader index value, the reserved reader index value, and the done writer index value are stored in shared memory accessible by the one or more readers. A need therefore exists for an improved multi-reader, multi-writer lock-free ring buffer.

The done writer index value, the reserved writer index value, and the done reader index value may be stored in shared memory accessible by the one or more writers.

Simon Doherty, David L. Ring buffers are commonly used in computers and data processing systems for passing information from one program, process, or thread to another. Method and apparatus for providing transparent persistent data support to foreign data types. This is necessary to prevent out of order updates to the Done index when more that one thread or process is attempting to simultaneously access the multi-index The CPU may include dedicated coprocessors and memory devices.

UIs are supported by common operating systems and provide a format which enables a user to choose commands, execute application programs, manage computer files, and perform other functions selected from a menu through use of an input or pointing device such as a keyboard or mouse or by entering a command. The method of claim 11 wherein the current reader cell position value is not equal to the current writer cell position value.

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The single-writer, single-reader ring buffer includes a contiguous array of memory cells together with two indices, pointers, or countersused in a circular or ring-like fashion. If you print the number of characters up to 78 one-bite characters which exceeds the width of a A4 size sheet, a whole message may not be printed or a same message may be printed twice.

When the stroke font is set, characters are printed correctly.

Likewise, solutions exist for non-locking access to list based queues. USB cables are not supported. Any limitations presented would mkltiwriter a result of a particular type of operating system or computer programming language and would not be a limitation of the present invention. For the readers e.

Set the Top Margin to 3mm in the Printer setting. This can be solved to set up 3mm for upper margin in the printer’s property.

Connecting a GP to j printer via a Ethernet-linked PC allows you to print regardless of the model of the printer. Commands and queries may also be received over a network connection, and results may be transmitted over a network connection.

In the case of multiple writers, care must be taken to not have two writerswrite into the same slot due to the fact that they are accessing it simultaneously.