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// Copyright 2021 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build unix
package testenv
import (
"errors"
"io/fs"
"syscall"
)
// Sigquit is the signal to send to kill a hanging subprocess.
// Send SIGQUIT to get a stack trace.
var Sigquit = syscall.SIGQUIT
func syscallIsNotSupported(err error) bool {
if err == nil {
return false
}
var errno syscall.Errno
if errors.As(err, &errno) {
switch errno {
case syscall.EPERM, syscall.EROFS:
// User lacks permission: either the call requires root permission and the
// user is not root, or the call is denied by a container security policy.
return true
case syscall.EINVAL:
// Some containers return EINVAL instead of EPERM if a system call is
// denied by security policy.
return true
}
}
if errors.Is(err, fs.ErrPermission) {
return true
}
return false
}
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