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25 lines
447 B
Go
25 lines
447 B
Go
package common
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import (
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"os"
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"syscall"
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)
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func TryFileDescriptor(conn any) (uintptr, error) {
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if rawConn, isRaw := conn.(syscall.Conn); isRaw {
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return GetFileDescriptor(rawConn)
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}
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return 0, os.ErrInvalid
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}
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func GetFileDescriptor(conn syscall.Conn) (uintptr, error) {
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rawConn, err := conn.SyscallConn()
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if err != nil {
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return 0, err
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}
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var rawFd uintptr
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err = rawConn.Control(func(fd uintptr) {
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rawFd = fd
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})
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return rawFd, err
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}
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