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Kernel Functions for Driversgeterror(9F)


NAME

 geterror - return I/O error

SYNOPSIS

 
#include <sys/types.h>
#include <sys/buf.h>
#include <sys/ddi.h>
int geterror(struct buf *bp);

INTERFACE LEVEL

 

Architecture independent level 1 (DDI/DKI).


PARAMETERS

 
bp
Pointer to a buf(9S) structure.

DESCRIPTION

 

geterror() returns the error number from the error field of the buffer header structure.


RETURN VALUES

 

An error number indicating the error condition of the I/O request is returned. If the I/O request completes successfully, 0 is returned.


CONTEXT

 

geterror() can be called from user or interrupt context.


SEE ALSO

 

buf(9S)

Writing Device Drivers



SunOS 5.9Go To TopLast Changed 11 Apr 1991


Updated: 2004-01-16, 19:55