From: Russ Cox <rsc@golang.org>
Date: Wed, 14 Jul 2010 00:27:26 +0000 (-0700)
Subject: runtime: better error for send/recv on nil channel
X-Git-Tag: weekly.2010-07-14~13
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=cec007d3d25df721e86ab08925133db637dad609;p=gostls13.git

runtime: better error for send/recv on nil channel

R=ken2
CC=golang-dev
https://golang.org/cl/1835041
---

diff --git a/src/pkg/runtime/chan.c b/src/pkg/runtime/chan.c
index 08cd75a6e5..9e88e824a4 100644
--- a/src/pkg/runtime/chan.c
+++ b/src/pkg/runtime/chan.c
@@ -182,6 +182,9 @@ chansend(Hchan *c, byte *ep, bool *pres)
 	SudoG *sg;
 	G* gp;
 
+	if(c == nil)
+		panicstring("send to nil channel");
+
 	if(gcwaiting)
 		gosched();
 
@@ -286,6 +289,9 @@ chanrecv(Hchan* c, byte *ep, bool* pres)
 	SudoG *sg;
 	G *gp;
 
+	if(c == nil)
+		panicstring("receive from nil channel");
+
 	if(gcwaiting)
 		gosched();