Microframe Corporation 3007 Series Guía de usuario descargar pdf (Pagina 223)

2-41

MKDE

The format of a system error is id.op.rc where:

The id corresponds to a section of code in the MKDE where the OS

call took place. There are different id ranges depending on which

MKDE is being used:

The common code base contains all the file I/O requests, variable

allocations, caching, and so on. The platform specific ranges cover

other file open, close, read, and lock requests. These codes can guide

us to the portion of the MKDE code that was executing when the

System Error occurred. For example, ids ranging from 110 - 124

correspond to the I/O Subsystem of the MicroKernel where disk I/O

calls are made, and system errors with these ids usually correspond

to file corruption problems. A list of ids is not available publicly

because a list without the specific MKDE and knowledge of the code

would not have much value.

The second piece of the system error is the operation code. This

corresponds to the Btrieve request that was being processed when the

error occurred. For example, a 5 is a GetEqual operation. Refer to the

Btrieve API Guide for more information about Btrieve operation

codes. If the system error occurs while the MKDE is performing

some task that is not specifically associated with a Btrieve operation,

the op will be set to -1.

The third piece of the system error is the OS return code. The

meaning of the values reported here varies depending on the OS call

made and the type of failure that occurred. A return code value of 0

for different IDs is likely to have different meanings, but in each case

the OS did not return an actual error code. An example of a System

Error where the OS return code is zero is when the OS call returns

Table 2-2 System Error Explanation

id Unique System Error identifier

op Btrieve operation being performed at the time

rc any unexpected return code from the operating system.

Table 2-3 System Error Code Area

100-299 Common source base

600-699 Windows 32-bit platforms

1 2 ... 218 219 220 221 222 223 224 225 226 227 228 ... 251 252

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Microframe Corporation 3007 Series Guía de usuario Pagina 223