Function NewPrivateRefCountEntry

src/backend/storage/buffer/bufmgr.c:296–313

* Fill a previously reserved refcount entry. */

 * Fill a previously reserved refcount entry.
 */
static PrivateRefCountEntry *
NewPrivateRefCountEntry(Buffer buffer)
{
	PrivateRefCountEntry *res;

	/* only allowed to be called when a reservation has been made */
	Assert(ReservedRefCountEntry != NULL);

	/* use up the reserved entry */
	res = ReservedRefCountEntry;
	ReservedRefCountEntry = NULL;

	/* and fill it */
	res->buffer = buffer;
	res->refcount = 0;

	return res;
}

/*
 * Return the PrivateRefCount entry for the passed buffer.