FREEMSG(9F) Kernel Functions for Drivers FREEMSG(9F)

NAME

freemsg - free all message blocks in a message

SYNOPSIS

#include <sys/stream.h>


void freemsg(mblk_t *mp);

INTERFACE LEVEL

Architecture independent level 1 (DDI/DKI).

PARAMETERS

mp
Pointer to the message blocks to be deallocated. mblk_t is an
instance of the msgb(9S) structure. If mp is NULL, freemsg()
immediately returns.

DESCRIPTION

The freemsg() function calls freeb(9F) to free all message and data
blocks associated with the message pointed to by mp.

CONTEXT

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

EXAMPLES

Example 1: Using freemsg()

See copymsg(9F).

SEE ALSO

copymsg(9F), freeb(9F), msgb(9S)


Writing Device Drivers


STREAMS Programming Guide

NOTES

The behavior of freemsg() when passed a NULL pointer is Solaris-specific.

January 16, 2006 FREEMSG(9F)