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NAME

biofini - uninitialize a buffer structure
 

SYNOPSIS

#include <sys/ddi.h>
#include <sys/sunddi.h>



voidbiofini(struct buf *bp);

INTERFACE LEVEL

Solaris DDI specific (Solaris DDI).  

PARAMETERS

bp

Pointer to the buffer header structure.

DESCRIPTION

The biofini() function uninitializes a buf(9S) structure. If a buffer structure has been allocated and initialized using kmem_alloc(9F) and bioinit(9F) it needs to be uninitialized using biofini() before calling kmem_free(9F). It is not necessary to call biofini() before freeing a buffer structure using freerbuf(9F) because freerbuf() will call biofini() directly.  

CONTEXT

The biofini() function can be called from any context.  

EXAMPLES

Example 1 Using biofini()

struct buf *bp = kmem_alloc(biosize(), KM_SLEEP);       
bioinit(bp);    
/* use buffer */        
biofini(bp);    
kmem_free(bp, biosize());

SEE ALSO

bioinit(9F), bioreset(9F), biosize(9F), freerbuf(9F), kmem_alloc(9F), kmem_free(9F), buf(9S)

Writing Device Drivers

Index

NAME

SYNOPSIS

INTERFACE LEVEL

PARAMETERS

DESCRIPTION

CONTEXT

EXAMPLES

SEE ALSO

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