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() imme-
diately returns.
DESCRIPTION
freemsg() calls freeb(9F) to free all message and data blocks associated with the message pointed to by mp.
CONTEXT
freemsg() can be called from user or interrupt 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.
SunOS 5.10 26 Oct 2001 freemsg(9F)
