Function msgbuf_addchar

freebsd/kern/subr_msgbuf.c:165–173

* Append a character to a message buffer. */

 * Append a character to a message buffer.
 */
void
msgbuf_addchar(struct msgbuf *mbp, int c)
{
	mtx_lock_spin(&mbp->msg_lock);

	msgbuf_do_addchar(mbp, &mbp->msg_wseq, c);

	mtx_unlock_spin(&mbp->msg_lock);
}

/*
 * Append a NUL-terminated string with a priority to a message buffer.