diff options
Diffstat (limited to 'vendor/golang.org/x/net/http2/writesched.go')
| -rw-r--r-- | vendor/golang.org/x/net/http2/writesched.go | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/http2/writesched.go b/vendor/golang.org/x/net/http2/writesched.go index caa77c7cb..4fe307307 100644 --- a/vendor/golang.org/x/net/http2/writesched.go +++ b/vendor/golang.org/x/net/http2/writesched.go @@ -160,6 +160,20 @@ func (wr FrameWriteRequest) String() string { return fmt.Sprintf("[FrameWriteRequest stream=%d, ch=%v, writer=%v]", wr.StreamID(), wr.done != nil, des) } +// replyToWriter sends err to wr.done and panics if the send must block +// This does nothing if wr.done is nil. +func (wr *FrameWriteRequest) replyToWriter(err error) { + if wr.done == nil { + return + } + select { + case wr.done <- err: + default: + panic(fmt.Sprintf("unbuffered done channel passed in for type %T", wr.write)) + } + wr.write = nil // prevent use (assume it's tainted after wr.done send) +} + // writeQueue is used by implementations of WriteScheduler. type writeQueue struct { s []FrameWriteRequest |