D13865.diff
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	Index: head/sys/sys/socketvar.h
	===================================================================
	--- head/sys/sys/socketvar.h
	+++ head/sys/sys/socketvar.h
	@@ -180,13 +180,13 @@
	/*
	* Socket state bits.
	*
	- * Historically, this bits were all kept in the so_state field. For
	- * locking reasons, they are now in multiple fields, as they are
	- * locked differently. so_state maintains basic socket state protected
	- * by the socket lock. so_qstate holds information about the socket
	- * accept queues. Each socket buffer also has a state field holding
	- * information relevant to that socket buffer (can't send, rcv). Many
	- * fields will be read without locks to improve performance and avoid
	+ * Historically, these bits were all kept in the so_state field.
	+ * They are now split into separate, lock-specific fields.
	+ * so_state maintains basic socket state protected by the socket lock.
	+ * so_qstate holds information about the socket accept queues.
	+ * Each socket buffer also has a state field holding information
	+ * relevant to that socket buffer (can't send, rcv).
	+ * Many fields will be read without locks to improve performance and avoid
	* lock order issues. However, this approach must be used with caution.
	*/
	#define SS_NOFDREF 0x0001 /* no file table ref any more */