mirror of https://github.com/jetkvm/kvm.git
58 lines
1.1 KiB
Go
58 lines
1.1 KiB
Go
//go:build linux
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package kvm
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import (
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"fmt"
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"os/exec"
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"sync"
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"syscall"
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"github.com/rs/zerolog"
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)
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type nativeOutput struct {
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mu *sync.Mutex
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logger *zerolog.Event
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}
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func (w *nativeOutput) Write(p []byte) (n int, err error) {
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w.mu.Lock()
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defer w.mu.Unlock()
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w.logger.Msg(string(p))
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return len(p), nil
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}
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func startNativeBinary(binaryPath string) (*exec.Cmd, error) {
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// Run the binary in the background
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cmd := exec.Command(binaryPath)
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nativeOutputLock := sync.Mutex{}
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nativeStdout := &nativeOutput{
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mu: &nativeOutputLock,
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logger: nativeLogger.Info().Str("pipe", "stdout"),
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}
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nativeStderr := &nativeOutput{
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mu: &nativeOutputLock,
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logger: nativeLogger.Info().Str("pipe", "stderr"),
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}
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// Redirect stdout and stderr to the current process
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cmd.Stdout = nativeStdout
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cmd.Stderr = nativeStderr
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// Set the process group ID so we can kill the process and its children when this process exits
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cmd.SysProcAttr = &syscall.SysProcAttr{
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Setpgid: true,
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Pdeathsig: syscall.SIGKILL,
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}
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// Start the command
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if err := cmd.Start(); err != nil {
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return nil, fmt.Errorf("failed to start binary: %w", err)
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}
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return cmd, nil
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}
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