forked from quic-go/quic-go
e58fa87566
* catch spurious UDP sendmsg errors in multiplex integration test * platform-dependent isPermissionError
22 lines
426 B
Go
22 lines
426 B
Go
//go:build linux
|
|
|
|
package self_test
|
|
|
|
import (
|
|
"errors"
|
|
"os"
|
|
|
|
"golang.org/x/sys/unix"
|
|
)
|
|
|
|
// The first sendmsg call on a new UDP socket sometimes errors on Linux.
|
|
// It's not clear why this happens.
|
|
// See https://github.com/golang/go/issues/63322.
|
|
func isPermissionError(err error) bool {
|
|
var serr *os.SyscallError
|
|
if errors.As(err, &serr) {
|
|
return serr.Syscall == "sendmsg" && serr.Err == unix.EPERM
|
|
}
|
|
return false
|
|
}
|