iovec 结构体

 

Solaris 10 Reference Manual Collection >> man pages section 9: DDI and DKI Properties and Data Structures >> Data Structures for Drivers >> iovec(9S) – data storage structure for I/O using uio

iovec(9S)

NAME | Synopsis | Interface Level | Description | Structure Members | See Also

NAME

iovec – data storage structure for I/O using uio

Synopsis

#include <sys/uio.h> 

Interface Level

Architecture independent level 1 (DDI/DKI).

Description

An iovec structure describes a data storage area for transfer in a uio(9S) structure. Conceptually, it can be thought of as a base address and length specification.

Structure Members

caddr_t    iov_base;  /* base address of the data storage area */
                      /* represented by the iovec structure */ 
int        iov_len;   /* size of the data storage area in bytes */

See Also

uio(9S)

Writing Device Drivers

SunOS 5.10 Last Revised 11 Apr 1991