xref: /illumos-gate/usr/src/man/man9f/geterror.9f (revision ddb365bfc9e868ad24ccdcb0dc91af18b10df082)
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Copyright 1989 AT&T
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GETERROR 9F "Jan 16, 2006"
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

The geterror() function 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

The geterror() function can be called from user, interrupt, or kernel context.

SEE ALSO

buf (9S)

Writing Device Drivers