Buffer zone management method and system

A buffer and buffer information technology, applied in memory systems, electrical digital data processing, instruments, etc., can solve problems such as buffer leakage

Inactive Publication Date: 2013-03-27
ZTE CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, by increasing the buffer information recorder, only the index inside the free buffer stack can be guaranteed not to be confused
When an error occurs when the external buffer uses the module to maintain the buffer index, the buffer that has been allocated cannot be released, which will lead to buffer leaks

Method used

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  • Buffer zone management method and system
  • Buffer zone management method and system
  • Buffer zone management method and system

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Embodiment Construction

[0036] Compared with the traditional buffer manager, the invention adds a buffer aging module, expands the information recorded by the buffer information recorder, and adds time information of buffer allocation and aging marks. Each record entry of the buffer information recorder is in one-to-one correspondence with a buffer. The buffer information recorder is used to record the relevant information of each buffer, including whether the buffer is idle or being used, the time when the buffer is allocated, and whether the buffer is aged. In order to prevent the buffer from being aged incorrectly, the buffer aging flag is set in the buffer recorder. For example, when the flag is 1, it means that the buffer has just been allocated, and when the flag is in the aging state A value of 0 indicates that the buffer has not been used for a long time. When the aging timing period of the timer set for regularly performing buffer aging detection arrives, the control logic entity scans the ...

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Abstract

The invention discloses a buffer zone management method and a buffer zone management system, which are used for solving the technical problem of buffer zone leakage. The method comprises the following steps of: detecting the allocation time of buffer zones periodically; aging the buffer zones which are not released for a long time; automatically performing an operation of pressing the buffer zones which are not released for a long time into an idle buffer zone stack to finish recovering the buffer zones. Therefore, the buffer zone leakage is prevented; and the robustness and the reliability of a buffer zone manager are improved.

Description

technical field [0001] The invention relates to a buffer management system in the fields of communication and electronics, in particular to a buffer management method and system capable of preventing buffer leakage with an aging function. Background technique [0002] In the field of communication and computer, it is often necessary to use a large piece of fast read-write memory (memory) to temporarily store received data, data waiting to be processed, and data waiting to be sent out. This large block of memory is logically divided into many small blocks. These small chunks are called buffers. The entity that effectively manages and implements these buffers is called a buffer manager. The main functions completed by the buffer manager are: when there is an external buffer application request, reply according to the allocation strategy, allocate a specific buffer or refuse to allocate a buffer; when there is an external buffer release request, respond to the release request...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F12/08G06F12/0893
Inventor 娄本刚吴春华
Owner ZTE CORP
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