1freemsg(9F)              Kernel Functions for Drivers              freemsg(9F)
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NAME

6       freemsg - free all message blocks in a message
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SYNOPSIS

9       #include <sys/stream.h>
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13       void freemsg(mblk_t *mp);
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INTERFACE LEVEL

17       Architecture independent level 1 (DDI/DKI).
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PARAMETERS

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

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

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

34       Example 1 Using freemsg()
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37       See copymsg(9F).
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SEE ALSO

41       copymsg(9F), freeb(9F), msgb(9S)
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44       Writing Device Drivers
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47       STREAMS Programming Guide
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NOTES

50       The  behavior  of  freemsg() when passed a NULL pointer is Solaris-spe‐
51       cific.
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55SunOS 5.11                        16 Jan 2006                      freemsg(9F)