From a97ef39cd4a8a7612ff744ff0e7a4efdf3837214 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Tue, 9 Feb 2021 19:54:00 +0100
Subject: [PATCH] rwcancel: use errors.Is for unwrapping
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---
rwcancel/rwcancel.go | 12 +-----------
1 file changed, 1 insertion(+), 11 deletions(-)
diff --git a/rwcancel/rwcancel.go b/rwcancel/rwcancel.go
index 7d50f83..8a6300a 100644
--- a/rwcancel/rwcancel.go
+++ b/rwcancel/rwcancel.go
@@ -46,17 +46,7 @@ func NewRWCancel(fd int) (*RWCancel, error) {
}
func RetryAfterError(err error) bool {
- if pe, ok := err.(*os.PathError); ok {
- err = pe.Err
- }
- if errno, ok := err.(syscall.Errno); ok {
- switch errno {
- case syscall.EAGAIN, syscall.EINTR:
- return true
- }
-
- }
- return false
+ return errors.Is(err, syscall.EAGAIN) || errors.Is(err, syscall.EINTR)
}
func (rw *RWCancel) ReadyRead() bool {