# ClassRegLogRegister

Registers a class for logging operations in an application code. A prefered cookie is given on input, and the actual cookie is returned on output. If the user has no preference, PETSC_DECIDE will cause the cookie to be automatically assigned, and unique in this ClassLog.

### Synopsis

    #include "petsc.h"
    PetscErrorCode ClassRegLogRegister(ClassRegLog classLog, const char cname[], PetscCookie *cookie)

Not Collective

### Input Parameters

| classLog | - The ClassLog
| cname | - The name associated with the class
| cookie | - The prefered cookie (or PETSC_DECIDE), and the actual cookie on output

### Keywords

log, class, register

### See Also

PetscLogClassRegister()

Level:developer
Location:src/sys/src/plog/classLog.c
Index of all Profiling routines
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Index of all manual pages