libgo: Update to weekly.2012-01-27.

From-SVN: r183810

2 files changed, 10 insertions, 4 deletions

diff --git a/libgo/go/net/rpc/client.go b/libgo/go/net/rpc/client.go
index 6fb414e..abc1e59 100644
--- a/libgo/go/net/rpc/client.go
+++ b/libgo/go/net/rpc/client.go
@@ -145,6 +145,7 @@ func (call *Call) done() {
 	default:
 		// We don't want to block here.  It is the caller's responsibility to make
 		// sure the channel has enough buffer space. See comment in Go().
+		log.Println("rpc: discarding Call reply due to insufficient Done chan capacity")
 	}
 }
 
diff --git a/libgo/go/net/rpc/server_test.go b/libgo/go/net/rpc/server_test.go
index ae688c0..b05c63c 100644
--- a/libgo/go/net/rpc/server_test.go
+++ b/libgo/go/net/rpc/server_test.go
@@ -467,13 +467,16 @@ func TestCountMallocsOverHTTP(t *testing.T) {
 	fmt.Printf("mallocs per HTTP rpc round trip: %d\n", countMallocs(dialHTTP, t))
 }
 
-type writeCrasher struct{}
+type writeCrasher struct {
+	done chan bool
+}
 
 func (writeCrasher) Close() error {
 	return nil
 }
 
-func (writeCrasher) Read(p []byte) (int, error) {
+func (w *writeCrasher) Read(p []byte) (int, error) {
+	<-w.done
 	return 0, io.EOF
 }
 
@@ -482,7 +485,8 @@ func (writeCrasher) Write(p []byte) (int, error) {
 }
 
 func TestClientWriteError(t *testing.T) {
-	c := NewClient(writeCrasher{})
+	w := &writeCrasher{done: make(chan bool)}
+	c := NewClient(w)
 	res := false
 	err := c.Call("foo", 1, &res)
 	if err == nil {
@@ -491,6 +495,7 @@ func TestClientWriteError(t *testing.T) {
 	if err.Error() != "fake write failure" {
 		t.Error("unexpected value of error:", err)
 	}
+	w.done <- true
 }
 
 func benchmarkEndToEnd(dial func() (*Client, error), b *testing.B) {
@@ -513,7 +518,7 @@ func benchmarkEndToEnd(dial func() (*Client, error), b *testing.B) {
 		go func() {
 			reply := new(Reply)
 			for atomic.AddInt32(&N, -1) >= 0 {
-				err = client.Call("Arith.Add", args, reply)
+				err := client.Call("Arith.Add", args, reply)
 				if err != nil {
 					b.Fatalf("rpc error: Add: expected no error but got string %q", err.Error())
 				}