40 lines
690 B
Go
40 lines
690 B
Go
package nginx
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import (
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"fmt"
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"os"
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"strconv"
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"strings"
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"time"
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)
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func readPIDFile(path string) (int, error) {
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data, err := os.ReadFile(path)
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if err != nil {
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return 0, err
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}
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pidStr := strings.TrimSpace(string(data))
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if pidStr == "" {
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return 0, fmt.Errorf("empty pid file")
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}
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pid, err := strconv.Atoi(pidStr)
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if err != nil || pid <= 0 {
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return 0, fmt.Errorf("invalid pid: %q", pidStr)
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}
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return pid, nil
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}
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func removePIDFile(path string) {
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_ = os.Remove(path)
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}
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func waitProcessExit(pid int, timeout time.Duration) {
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deadline := time.Now().Add(timeout)
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for time.Now().Before(deadline) {
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if !isPIDAlive(pid) {
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return
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}
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time.Sleep(100 * time.Millisecond)
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}
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}
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