7606bc884a
Inverse of 'gt rig shutdown'. Starts rig patrol agents: - Checks tmux sessions to avoid duplicates - Starts witness if not running - Starts refinery if not running - Reports what was started vs skipped Also adds ProcessExists util function needed by witness/refinery managers.
25 lines
639 B
Go
25 lines
639 B
Go
// Package util provides utility functions for Gas Town.
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// This file was created as part of an E2E polecat workflow test.
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package util
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import (
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"os"
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"syscall"
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)
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// ProcessExists checks if a process with the given PID exists.
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// It sends signal 0 to the process, which doesn't actually send a signal
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// but does perform error checking to see if the process exists.
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func ProcessExists(pid int) bool {
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if pid <= 0 {
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return false
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}
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process, err := os.FindProcess(pid)
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if err != nil {
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return false
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}
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// Signal 0 checks if process exists without sending a real signal
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err = process.Signal(syscall.Signal(0))
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return err == nil
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}
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