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rdisp/avoidTraceInSigHandler - Avoid Kernel Tracing inside the signal handler
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| Parameter : rdisp/avoidTraceInSigHandler |
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| Short Description : Avoid kernel tracing inside the signal handler |
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| Parameter description : |
| ----------------------- |
| |
| On some SAP platforms, C runtime functions, such as the memory |
| management, use locks to protect critical regions. If the execution |
| of a region of this type with a set lock is interrupted by a signal, |
| a blockade of the process can occur, if the same critical region is |
| to be executed during the signal handling. Therefore, only as much |
| as is absolutely necessary should be done within the signal |
| handling. |
| |
| Since the SAP kernel trace also calls memory management indirectly |
| through the file I/O functions of the C runtime, the writing of |
| traces during signal handling can also cause problems. For this |
| reason, the trace is not active by default during signal handling. |
| However, if you nevertheless require it for troubleshooting, you can |
| activate it using this parameter. |
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| Work area: Dispatcher |
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| Unit : Boolean value (on, off) |
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| Default Value : on (that is, no trace during signal handling) |
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| Who is permitted to make changes: SAP |
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| Limitations for operating systems: None |
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| Limitations for database systems: None |
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| Other Parameters Affected or Dependent: |
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| Valid Input, Formats, Areas: |
| on Trace is deactivated during signal handling |
| off Trace is allowed during signal handling |
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| Short Description : Avoid Kernel Tracing inside the signal handler
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| Applications Area : Dispatcher
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| Parameter Type : S
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| Changes allowed : W
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| Valid for Operating System : *
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| Dynamic switchable : X
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| Same on all Servers :
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