SVR5 and SCO OpenServer 5

freemsg(D3str)

freemsg -- free a message

Synopsis

   #include <sys/stream.h>
   #include <sys/ddi.h>
   
   void freemsg(mblk_t *mp);

Description

freemsg frees all message blocks, data blocks, and data buffers associated with the message pointed to by mp. freemsg walks down the b_cont list (see msgb(D4str)), calling freeb(D3str) for every message block in the message.

Arguments

mp: Pointer to the message to be deallocated.

Return values

None

Usage

Context

Base or Interrupt.

Synchronization constraints

Does not block.

Driver-defined basic locks, read/write locks, and sleep locks may be held across calls to this function.

Examples

See copymsg(D3str) for an example of freemsg.

Hardware applicability

All

Version applicability

ddi: 1, 2, 3, 4, 5, 5mp, 6, 6mp, 7, 7mp, 7.1, 7.1mp, 8, 8mp
oddi: 1, 2, 2mp, 3, 3mp, 4, 4mp, 5, 5mp, 6, 6mp

References

freeb(D3str), msgb(D4str)