JPH035845A - File opening substitution device - Google Patents

Abstract

PURPOSE:To shorten the processing time of a program by previously executing the opening processing of a file before the execution of the program but not by operating a file opening function for the necessary file while the program is executed. CONSTITUTION:The name of the file 2 and control are given to an opening function control means 12 from a file opening means 6 to which the opening of the file 2 is requested from the program 3 and the means 12 operates. The opening function control means 12 retrieves a file control table 41. When the name of the file 2 is registered in the file control table 41, the means 12 gives an instruction not to execute the opening processing for the file 2 to the file opening means 6. When the name of the file 2 is not registered in the file control table 41, the means 12 gives the instruction to execute the opening processing of the file to the file opening means 6 as conventionally. Thus, the processing time of the program is shortened and the performance of a system improves.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a file open proxy device, particularly to a file open proxy device for program and refile open processing in an information processing system operated in the TSS method. .

[Conventional technology]

Conventional file open proxy devices of this type include, for example,
As shown in FIG. 4, the file 2 is opened by specifying the name of the file 20 from the program 3 and passing control to the file open means 6 of the system.

[Problem to be solved by the invention]

In the conventional file open proxy device described above, the program uses the system's file open method (opening a file every time control is passed to the system, so for programs that are executed multiple times or multiple programs that share one file) , a program or a plurality of programs as a whole require a large amount of processing time, which has the disadvantage that it is not suitable for systems that place emphasis on performance.

[Means for deciding issues]

The file open proxy device of the present invention includes a file name acquisition unit that acquires the name of a file used in the program from a user of the program before the program runs;
a file open command section that instructs a file open means of the system to open a file using the name of the file obtained by the file name obtaining section; A file opening means including a name registration part to be registered in a prepared file management table, and a file name used in connection with the file opening means, and the name of the file passed from the program is registered in the file V management table. , and an open function control means for controlling to bypass file open processing.

〔Example〕

Next, the present invention will be explained with reference to the drawings.

FIG. 1 shows a block diagram of an embodiment of the file oven acting device of the present invention.

The file open proxy device 1 of this embodiment is started before the program 3 starts operating, and uses the input device 5 to obtain the name of the file 2 used by the program 3 from the user of the program. Then, the file opening means 6 of the system requests the opening of the file 2, and then the file opening means 11 registers the name of the file 20 stored in the memory 4 prepared by the system in the file management table 41; The open function control means 12 is connected to the file open means 6 and used to control the opening process of the file 2.

When the file open means 11 is activated by the input device 5 before the program 3 starts operating, the file name acquisition section 1111/c control is first passed to it. File name acquisition unit 11
1 uses the input device 5 to obtain the names of files 20 used by the program 3 from the user of the program 3.

Next, the file open command unit 112 requests the file open means 6 of the system to open the file 2 using the file 20 name acquired by the file name acquisition unit 111. The file name registration unit 113 registers the name of the opened file 20 in the file management table 41 in the memory 4 prepared by the system.

The open function control means 12 operates upon receiving control and the name of the file 20 from the file open means 6, which has been requested to open the file 2 by the program 3.

The open function control means 12 controls the file management table 4
1, and if the name of file 2 is registered in the file management table 41, the file open function 6 is instructed not to open the file 2. File 20 name is file management tape A
-41, it instructs the file open means 6 to perform file open processing as before. After this, the open function control means 12 returns control to the file open means 6.

Next, the operation of the file open means 11 of the file open proxy device 1 of the present invention will be explained with reference to FIG.

821 to 823 in FIG. 2 are file opening means 11
S24 shows the operation of the file open command section 112, and S25 shows the operation of the file name registration section 113.

First, 821 is file 2 used by program 3.
S22 is a part where it is determined whether the name of the file 20 obtained is already registered in the file management table 4.

S23 is a part for determining whether or not the file 2 with the acquired name actually exists in the system, if the name of the file 2 is registered as a result of the above determination. If file 2 actually exists on the system,
In step S24, the file open means 6 is requested to open the file 2. Thereafter, if the file opening process is successful, the system registers the 20 files in the file management table 41 prepared in the memory 4 in S25.

Next, the operation of the open function control means 12 of the file open proxy device 1 of the present invention will be explained with reference to FIG.

Steps S31 to S833 are a part that acquires the names of files registered in the file management table 41 one by one and determines whether the name of file 2 is the same as the name of file 20 used in program 3. . S34 is a part that instructs the file open means 6 to bypass the file 2 open processing if the file 20 name is registered. Further, S35 is a part in which if the name of file 2 is not registered in the file management table 41, the file open function 6 is requested to open the file 2 as usual.

〔Effect of the invention〕

As explained above, the present invention does not operate the file open function for necessary files during program execution, but rather executes the open processing of the 7 files before program execution. This has the effect of significantly reducing time.

[Brief explanation of drawings]

Fig. 1 is a block diagram showing an embodiment of the present invention, Fig. 2 is a flowchart showing the operation of the file opening means, Fig. 3 is a flowchart showing the operation of the open function control means, and Fig. 4 is a conventional file opening method. FIG. 2 is a block diagram illustrating an example of a method. 1...File open proxy device, 11...
...File opening means, 111...File name acquisition section, 112...File open instruction section, 113...File name registration section, 12...
...Open function control means, 2...File, 3...Program, 4...Memory prepared by the system, 41...File management table , 5... Input device, 6... File open means.

Claims (1)

[Claims] A file name acquisition unit that acquires the name of a file used in the program from a user of the program before the program runs; and a file name acquisition unit that uses the name of the file acquired by the file name acquisition unit. A file including a file open command unit that instructs a file open means of the system to open a file, and a file name registration unit that registers the name of the file acquired by the file name acquisition unit in a file management table prepared by the system. an open function control means that is used in connection with the file open means and controls to bypass file open processing if the name of the file passed from the program is registered in the file management table; A file open proxy device comprising: