24 lines
460 B
Go
24 lines
460 B
Go
//go:build linux
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package main
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import (
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"os"
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"syscall"
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)
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func redirectStderr(f *os.File) {
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if f == nil {
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// Silence altogether if no debug file
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null, err := os.OpenFile(os.DevNull, os.O_WRONLY, 0)
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if err == nil {
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syscall.Dup2(int(null.Fd()), int(os.Stderr.Fd()))
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}
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return
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}
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// Redirect fd 2 (stderr) to our debug file
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// This captures C-level library noise (ALSA, PortAudio) into the log
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syscall.Dup2(int(f.Fd()), int(os.Stderr.Fd()))
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}
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