From a28c0548f4a9c621c3fce2d0bcf66727694deffa Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Wed, 13 Jul 2005 10:51:30 +0000
Subject: better errors

---
 src/libmux/mux.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src/libmux')

diff --git a/src/libmux/mux.c b/src/libmux/mux.c
index f8620141..90c1cfcc 100644
--- a/src/libmux/mux.c
+++ b/src/libmux/mux.c
@@ -35,8 +35,10 @@ muxrpc(Mux *mux, void *tx)
 
 	/* must malloc because stack could be private */
 	r = mallocz(sizeof(Muxrpc), 1);
-	if(r == nil)
+	if(r == nil){
+		werrstr("mallocz: %r");
 		return nil;
+	}
 	r->r.l = &mux->lk;
 
 	/* assign the tag, add selves to response queue */
@@ -48,6 +50,8 @@ muxrpc(Mux *mux, void *tx)
 
 	/* actually send the packet */
 	if(tag < 0 || mux->settag(mux, tx, tag) < 0 || _muxsend(mux, tx) < 0){
+		werrstr("settag/send tag %d: %r", tag);
+		fprint(2, "%r\n");
 		qlock(&mux->lk);
 		dequeue(mux, r);
 		puttag(mux, r);
@@ -105,6 +109,8 @@ muxrpc(Mux *mux, void *tx)
 	p = r->p;
 	puttag(mux, r);
 	qunlock(&mux->lk);
+	if(p == nil)
+		werrstr("unexpected eof");
 	return p;
 }
 
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