PetscCheckPointerSetIntensity

Set the intensity of debug pointer checks

Synopsis

PetscErrorCode PetscCheckPointerSetIntensity(PetscInt intensity)

Not Collective

Input Parameter

• intensity - how much to check pointers for validity

Options Database Key

• -check_pointer_intensity - intensity (0, 1, or 2)

Notes

An intense pointer check registers a signal handler and attempts to dereference to confirm whether the address is valid. An intensity of 0 never uses signal handlers, 1 uses them when not in a “hot” function, and intensity of 2 always uses a signal handler.

See Also

PetscCheckPointer(), PetscFunctionBeginHot()

Level

advanced

Location

src/sys/error/checkptr.c

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