From e1217a8eae85a6fee4335dbdd63014714e193e30 Mon Sep 17 00:00:00 2001
From: Claudio Jeker <claudio@cvs.openbsd.org>
Date: Mon, 1 Jun 2009 23:54:51 +0000
Subject: Use only one list to queue the dump contextes on. Use the list in
 struct rib_context instead of the ctl specific rde_dump_ctx to make it more
 general.

---
 usr.sbin/bgpd/rde.c     | 19 +++++++++----------
 usr.sbin/bgpd/rde.h     | 15 +++++++--------
 usr.sbin/bgpd/rde_rib.c |  3 +--
 3 files changed, 17 insertions(+), 20 deletions(-)

diff --git a/usr.sbin/bgpd/rde.c b/usr.sbin/bgpd/rde.c
index fa423adabf6..ae4405bb554 100644
--- a/usr.sbin/bgpd/rde.c
+++ b/usr.sbin/bgpd/rde.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rde.c,v 1.246 2009/05/27 06:58:15 claudio Exp $ */
+/*	$OpenBSD: rde.c,v 1.247 2009/06/01 23:54:49 claudio Exp $ */
 
 /*
  * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
@@ -119,13 +119,12 @@ struct mrt		*mrt;
 struct rde_memstats	 rdemem;
 
 struct rde_dump_ctx {
-	TAILQ_ENTRY(rde_dump_ctx)	entry;
 	struct rib_context		ribctx;
 	struct ctl_show_rib_request	req;
 	sa_family_t			af;
 };
 
-TAILQ_HEAD(, rde_dump_ctx) rde_dump_h = TAILQ_HEAD_INITIALIZER(rde_dump_h);
+LIST_HEAD(, rib_context) rde_dump_h = LIST_HEAD_INITIALIZER(rde_dump_h);
 
 void
 rde_sighdlr(int sig)
@@ -1940,7 +1939,7 @@ rde_dump_ctx_new(struct ctl_show_rib_request *req, pid_t pid,
 	ctx->ribctx.ctx_arg = ctx;
 	ctx->ribctx.ctx_af = ctx->req.af;
 
-	TAILQ_INSERT_TAIL(&rde_dump_h, ctx, entry);
+	LIST_INSERT_HEAD(&rde_dump_h, &ctx->ribctx, entry);
 }
 
 void
@@ -1950,25 +1949,25 @@ rde_dump_done(void *arg)
 
 	imsg_compose(ibuf_se_ctl, IMSG_CTL_END, 0, ctx->req.pid,
 	    -1, NULL, 0);
-	TAILQ_REMOVE(&rde_dump_h, ctx, entry);
+	LIST_REMOVE(&ctx->ribctx, entry);
 	free(ctx);
 }
 
 void
 rde_dump_runner(void)
 {
-	struct rde_dump_ctx	*ctx, *next;
+	struct rib_context	*ctx, *next;
 
-	for (ctx = TAILQ_FIRST(&rde_dump_h); ctx != NULL; ctx = next) {
-		next = TAILQ_NEXT(ctx, entry);
-		rib_dump_r(&ctx->ribctx);
+	for (ctx = LIST_FIRST(&rde_dump_h); ctx != NULL; ctx = next) {
+		next = LIST_NEXT(ctx, entry);
+		rib_dump_r(ctx);
 	}
 }
 
 int
 rde_dump_pending(void)
 {
-	return (!TAILQ_EMPTY(&rde_dump_h));
+	return (!LIST_EMPTY(&rde_dump_h));
 }
 
 /*
diff --git a/usr.sbin/bgpd/rde.h b/usr.sbin/bgpd/rde.h
index ba05caf5186..8ce9a738c23 100644
--- a/usr.sbin/bgpd/rde.h
+++ b/usr.sbin/bgpd/rde.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rde.h,v 1.112 2009/06/01 22:49:06 claudio Exp $ */
+/*	$OpenBSD: rde.h,v 1.113 2009/06/01 23:54:50 claudio Exp $ */
 
 /*
  * Copyright (c) 2003, 2004 Claudio Jeker <claudio@openbsd.org> and
@@ -241,14 +241,14 @@ struct pt_entry6 {
 };
 
 struct rib_context {
-	LIST_ENTRY(rib_context)	 entry;
-	struct rib_entry	*ctx_re;
-	struct rib		*ctx_rib;
+	LIST_ENTRY(rib_context)		 entry;
+	struct rib_entry		*ctx_re;
+	struct rib			*ctx_rib;
 	void		(*ctx_upcall)(struct rib_entry *, void *);
 	void		(*ctx_done)(void *);
-	void			*ctx_arg;
-	unsigned int		 ctx_count;
-	sa_family_t		 ctx_af;
+	void				*ctx_arg;
+	unsigned int			 ctx_count;
+	sa_family_t			 ctx_af;
 };
 
 struct rib_entry {
@@ -269,7 +269,6 @@ enum rib_state {
 struct rib {
 	char			name[PEER_DESCR_LEN];
 	struct rib_tree		rib;
-	LIST_HEAD(, rib_context)	ctxts;
 	enum rib_state		state;
 	u_int16_t		flags;
 	u_int16_t		id;
diff --git a/usr.sbin/bgpd/rde_rib.c b/usr.sbin/bgpd/rde_rib.c
index 630307d585a..eaa67d84f69 100644
--- a/usr.sbin/bgpd/rde_rib.c
+++ b/usr.sbin/bgpd/rde_rib.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rde_rib.c,v 1.106 2009/06/01 22:54:02 claudio Exp $ */
+/*	$OpenBSD: rde_rib.c,v 1.107 2009/06/01 23:54:50 claudio Exp $ */
 
 /*
  * Copyright (c) 2003, 2004 Claudio Jeker <claudio@openbsd.org>
@@ -224,7 +224,6 @@ rib_dump_r(struct rib_context *ctx)
 
 	if (ctx->ctx_re == NULL) {
 		re = RB_MIN(rib_tree, &ctx->ctx_rib->rib);
-		LIST_INSERT_HEAD(&ctx->ctx_rib->ctxts, ctx, entry);
 	} else
 		re = rib_restart(ctx);
 
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