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df52c13581
That's the recommended syntax: https://golangci-lint.run/usage/false-positives/ Signed-off-by: Alexey Palazhchenko <alexey.palazhchenko@gmail.com>
55 lines
1.2 KiB
Go
55 lines
1.2 KiB
Go
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package vm
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import (
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"errors"
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"fmt"
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"os"
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"syscall"
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)
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func stopProcessByPidfile(pidPath string) error {
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pidFile, err := os.Open(pidPath)
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if err != nil {
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if os.IsNotExist(err) {
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return nil
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}
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return fmt.Errorf("error checking PID file %q: %w", pidPath, err)
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}
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defer pidFile.Close() //nolint:errcheck
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var pid int
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if _, err = fmt.Fscanf(pidFile, "%d", &pid); err != nil {
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return fmt.Errorf("error reading PID for %q: %w", pidPath, err)
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}
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proc, err := os.FindProcess(pid)
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if err != nil {
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return fmt.Errorf("error finding process %d for %q: %w", pid, pidPath, err)
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}
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if err = proc.Signal(syscall.SIGTERM); err != nil {
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if err.Error() == "os: process already finished" {
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return nil
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}
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return fmt.Errorf("error sending SIGTERM to %d (path %q): %w", pid, pidPath, err)
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}
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if _, err = proc.Wait(); err != nil {
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if errors.Is(err, syscall.ECHILD) {
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return nil
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}
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return fmt.Errorf("error waiting for %d to exit (path %q): %w", pid, pidPath, err)
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}
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return nil
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}
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