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os: have RemoveAll loop on EINTR

Fixes #57966

Change-Id: Ia732d499ff9bd6e70030daab8fac42d1e204be37
Reviewed-on: https://go-review.googlesource.com/c/go/+/463076
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Nigel Tao <nigeltao@golang.org>
Reviewed-by: Nigel Tao (INACTIVE; USE @golang.org INSTEAD) <nigeltao@google.com>
This commit is contained in:
Nigel Tao 2023-01-24 09:49:36 +11:00
parent e216ee7e74
commit a11b8e3765

View File

@ -58,7 +58,9 @@ func removeAll(path string) error {
func removeAllFrom(parent *File, base string) error {
parentFd := int(parent.Fd())
// Simple case: if Unlink (aka remove) works, we're done.
err := unix.Unlinkat(parentFd, base, 0)
err := ignoringEINTR(func() error {
return unix.Unlinkat(parentFd, base, 0)
})
if err == nil || IsNotExist(err) {
return nil
}
@ -75,7 +77,9 @@ func removeAllFrom(parent *File, base string) error {
// Is this a directory we need to recurse into?
var statInfo syscall.Stat_t
statErr := unix.Fstatat(parentFd, base, &statInfo, unix.AT_SYMLINK_NOFOLLOW)
statErr := ignoringEINTR(func() error {
return unix.Fstatat(parentFd, base, &statInfo, unix.AT_SYMLINK_NOFOLLOW)
})
if statErr != nil {
if IsNotExist(statErr) {
return nil
@ -151,7 +155,9 @@ func removeAllFrom(parent *File, base string) error {
}
// Remove the directory itself.
unlinkError := unix.Unlinkat(parentFd, base, unix.AT_REMOVEDIR)
unlinkError := ignoringEINTR(func() error {
return unix.Unlinkat(parentFd, base, unix.AT_REMOVEDIR)
})
if unlinkError == nil || IsNotExist(unlinkError) {
return nil
}