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testing: include ERROR_SHARING_VIOLATION in Windows cleanup retries

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Fixes #51442
Updates #50051

Change-Id: I1bfbc08c907077467fd50febbec6299a9b73af41
Reviewed-on: https://go-review.googlesource.com/c/go/+/388916
Trust: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Bryan C. Mills 2022-03-02 16:36:27 -05:00 committed by Bryan Mills
parent 2e9facbdd4
commit eeb9f095dc
3 changed files with 22 additions and 8 deletions
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2
src/testing/testing.go
View File

@ -1122,7 +1122,7 @@ func removeAll(path string) error {
)
for {
err := os.RemoveAll(path)
if !isWindowsAccessDenied(err) {
if !isWindowsRetryable(err) {
return err
}
if start.IsZero() {

6
src/testing/testing_other.go
View File

@ -6,8 +6,8 @@
package testing
// isWindowsAccessDenied reports whether err is ERROR_ACCESS_DENIED,
// which is defined only on Windows.
func isWindowsAccessDenied(err error) bool {
// isWindowsRetryable reports whether err is a Windows error code
// that may be fixed by retrying a failed filesystem operation.
func isWindowsRetryable(err error) bool {
return false
}

22
src/testing/testing_windows.go
View File

@ -8,11 +8,25 @@ package testing
import (
"errors"
"internal/syscall/windows"
"syscall"
)
// isWindowsAccessDenied reports whether err is ERROR_ACCESS_DENIED,
// which is defined only on Windows.
func isWindowsAccessDenied(err error) bool {
return errors.Is(err, syscall.ERROR_ACCESS_DENIED)
// isWindowsRetryable reports whether err is a Windows error code
// that may be fixed by retrying a failed filesystem operation.
func isWindowsRetryable(err error) bool {
for {
unwrapped := errors.Unwrap(err)
if unwrapped == nil {
break
}
err = unwrapped
}
if err == syscall.ERROR_ACCESS_DENIED {
return true // Observed in https://go.dev/issue/50051.
}
if err == windows.ERROR_SHARING_VIOLATION {
return true // Observed in https://go.dev/issue/51442.
}
return false
}