diff options
Diffstat (limited to 'src/pkg/exp/draw/x11/conn.go')
| -rw-r--r-- | src/pkg/exp/draw/x11/conn.go | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/pkg/exp/draw/x11/conn.go b/src/pkg/exp/draw/x11/conn.go index da2181536..e28fb2170 100644 --- a/src/pkg/exp/draw/x11/conn.go +++ b/src/pkg/exp/draw/x11/conn.go @@ -122,10 +122,13 @@ func (c *conn) writeSocket() { func (c *conn) Screen() draw.Image { return c.img } func (c *conn) FlushImage() { - // We do the send (the <- operator) in an expression context, rather than in - // a statement context, so that it does not block, and fails if the buffered - // channel is full (in which case there already is a flush request pending). - _ = c.flush <- false + select { + case c.flush <- false: + // Flush notification sent. + default: + // Could not send. + // Flush notification must be pending already. + } } func (c *conn) Close() os.Error { |