redirect_stderr_unix.go

// Copyright 2022 Arduino SA
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

// Log the panic under unix to the log file

//go:build !windows

package main

import (
	"log"
	"os"

	"golang.org/x/sys/unix"
)

// redirectStderr to the file passed in
func redirectStderr(f *os.File) {
	err := unix.Dup2(int(f.Fd()), int(os.Stderr.Fd()))
	if err != nil {
		log.Fatalf("Failed to redirect stderr to file: %v", err)
	}
}