netbsd man page for kcopy

KCOPY(9)						   BSD Kernel Developer's Manual						  KCOPY(9)

NAME
     kcopy -- copy data with abort on page fault

SYNOPSIS
     #include <sys/systm.h>

     int
     kcopy(const void *src, void *dst, size_t len);

DESCRIPTION
     kcopy() copies len bytes from src to dst, aborting if a fatal page fault is encountered.

     kcopy() must save and restore the old fault handler since it is called by uiomove(9), which may be in the path of servicing a non-fatal page
     fault.  kcopy() returns 0 on success and an error number on failure.

SEE ALSO
     errno(2), memcpy(9), uiomove(9)

BSD
								   April 4, 2006							       BSD