Merge release-20210614.0-14-ge1dc1c78e (automated)

1 files changed, 20 insertions, 0 deletions

diff --git a/pkg/errors/linuxerr/linuxerr.go b/pkg/errors/linuxerr/linuxerr.go
index bbdcdecd0..9246f2e89 100644
--- a/pkg/errors/linuxerr/linuxerr.go
+++ b/pkg/errors/linuxerr/linuxerr.go
@@ -20,6 +20,7 @@ package linuxerr
 import (
 	"fmt"
 
+	"golang.org/x/sys/unix"
 	"gvisor.dev/gvisor/pkg/abi/linux/errno"
 	"gvisor.dev/gvisor/pkg/errors"
 )
@@ -325,3 +326,22 @@ func ErrorFromErrno(e errno.Errno) *errors.Error {
 	}
 	panic(fmt.Sprintf("invalid error requested with errno: %d", e))
 }
+
+// Equals compars a linuxerr to a given error
+// TODO(b/34162363): Remove when syserror is removed.
+func Equals(e *errors.Error, err error) bool {
+	if err == nil {
+		return e == NOERROR || e == nil
+	}
+	if e == nil {
+		return err == NOERROR || err == unix.Errno(0)
+	}
+
+	switch err.(type) {
+	case *errors.Error:
+		return e == err
+	case unix.Errno, error:
+		return unix.Errno(e.Errno()) == err
+	}
+	return false
+}