docker/patch/0259-backport-fix-blockThreshold-full-bug.patch

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From dcfe23a0381da232eb427f8616abd8949fb9693e Mon Sep 17 00:00:00 2001
From: ningmingxiao <ning.mingxiao@zte.com.cn>
Date: Thu, 30 Dec 2021 23:10:48 +0800
Subject: [PATCH] fix blockThreshold full bug
Signed-off-by: ningmingxiao <ning.mingxiao@zte.com.cn>
---
components/engine/pkg/ioutils/bytespipe.go | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/components/engine/pkg/ioutils/bytespipe.go b/components/engine/pkg/ioutils/bytespipe.go
index d4bbf3c9..e04a5bf5 100644
--- a/components/engine/pkg/ioutils/bytespipe.go
+++ b/components/engine/pkg/ioutils/bytespipe.go
@@ -34,6 +34,7 @@ type BytesPipe struct {
buf []*fixedBuffer
bufLen int
closeErr error // error to return from next Read. set to nil if not closed.
+ readBlock bool // check read BytesPipe is Wait() or not
}
// NewBytesPipe creates new BytesPipe, initialized by specified slice.
@@ -86,6 +87,9 @@ loop0:
// make sure the buffer doesn't grow too big from this write
for bp.bufLen >= blockThreshold {
+ if bp.readBlock {
+ bp.wait.Broadcast()
+ }
bp.wait.Wait()
if bp.closeErr != nil {
continue loop0
@@ -131,7 +135,9 @@ func (bp *BytesPipe) Read(p []byte) (n int, err error) {
bp.mu.Unlock()
return 0, bp.closeErr
}
+ bp.readBlock = true
bp.wait.Wait()
+ bp.readBlock = false
if bp.bufLen == 0 && bp.closeErr != nil {
err := bp.closeErr
bp.mu.Unlock()
--
2.23.0