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() immedi-
ately 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.
SunOS 5.11 16 Jan 2006 freemsg(9F)
