freemsg man page on SunOS

freemsg man page on SunOS

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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-spe‐
       cific.

SunOS 5.10			  16 Jan 2006			   freemsg(9F)

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