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STORE(9) Kernel Developer's Manual STORE(9)

NAME

store, subyte, suswintr, suwordstore data to user-space

SYNOPSIS

#include <sys/types.h>
#include <sys/time.h>
#include <sys/systm.h>
int
subyte(void *base, int byte);
int
suword(void *base, long word);
int
suword16(void *base, int word);
int
suword32(void *base, int32_t word);
int
suword64(void *base, int64_t word);
#include <sys/resourcevar.h>
int
suswintr(void *base, int word);

DESCRIPTION

The store functions are designed to copy small amounts of data to user-space.
The store routines provide the following functionality:
subyte()
Stores a byte of data to the user-space address base.
suword()
Stores a word of data to the user-space address base.
suword16()
Stores 16 bits of of data to the user-space address base.
suword32()
Stores 32 bits of of data to the user-space address base.
suword64()
Stores 64 bits of of data to the user-space address base.
suswintr()
Stores a short word of data to the user-space address base. This function is safe to call during an interrupt context.

RETURN VALUES

The store functions return 0 on success or -1 on failure.

SEE ALSO

copy(9), fetch(9)
October 5, 2009 Debian