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Merge pull request #73 from launchrctl/start-stop-ui
Web - Start/stop UX, background option
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| //go:build !windows | ||
| // +build !windows | ||
|
|
||
| package web | ||
|
|
||
| import ( | ||
| "os" | ||
| "os/exec" | ||
| "syscall" | ||
|
|
||
| "github.com/launchrctl/launchr/pkg/log" | ||
| ) | ||
|
|
||
| func setSysProcAttr(cmd *exec.Cmd) { | ||
| cmd.SysProcAttr = &syscall.SysProcAttr{ | ||
| Setsid: true, | ||
| } | ||
| } | ||
|
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||
| func isProcessRunning(pid int) bool { | ||
| process, err := os.FindProcess(pid) | ||
| if err != nil { | ||
| log.Debug("Failed to find process: %s\n", err) | ||
| return false | ||
| } | ||
|
|
||
| err = process.Signal(syscall.Signal(0)) | ||
| if err == nil { | ||
| return true | ||
| } | ||
|
|
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| if err.Error() == "os: process already finished" { | ||
| return false | ||
| } | ||
|
|
||
| return true | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| //go:build windows | ||
| // +build windows | ||
|
|
||
| package web | ||
|
|
||
| import ( | ||
| "os/exec" | ||
|
|
||
| "golang.org/x/sys/windows" | ||
| ) | ||
|
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| func setSysProcAttr(cmd *exec.Cmd) { | ||
| cmd.SysProcAttr = &windows.SysProcAttr{ | ||
| CreationFlags: windows.CREATE_NEW_PROCESS_GROUP, | ||
| } | ||
| } | ||
|
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||
| func isProcessRunning(pid uint32) bool { | ||
| h, err := windows.OpenProcess(windows.PROCESS_QUERY_LIMITED_INFORMATION, false, pid) | ||
| if err != nil { | ||
| return false | ||
| } | ||
| defer windows.CloseHandle(h) | ||
|
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| var code uint32 | ||
| err = windows.GetExitCodeProcess(h, &code) | ||
| if err != nil { | ||
| return false | ||
| } | ||
| if code == windows.STILL_ACTIVE { | ||
| return true | ||
| } | ||
|
|
||
| return false | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| package web | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
| "path/filepath" | ||
| "strconv" | ||
| ) | ||
|
|
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| func pidFileExists(path string) bool { | ||
| _, err := os.Stat(path) | ||
| return err == nil | ||
| } | ||
|
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||
| func readPidFile(path string) (int, error) { | ||
| data, err := os.ReadFile(filepath.Clean(path)) | ||
| if err != nil { | ||
| return 0, fmt.Errorf("error reading PID file: %w", err) | ||
| } | ||
|
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||
| pid, err := strconv.Atoi(string(data)) | ||
| if err != nil { | ||
| return 0, fmt.Errorf("error converting PID from file: %w", err) | ||
| } | ||
|
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| return pid, nil | ||
| } | ||
|
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| func killProcess(pid int) error { | ||
| process, err := os.FindProcess(pid) | ||
| if err != nil { | ||
| return fmt.Errorf("error finding process: %w", err) | ||
| } | ||
|
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| if err = process.Kill(); err != nil { | ||
| return fmt.Errorf("error killing process: %w", err) | ||
| } | ||
|
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| return nil | ||
| } | ||
|
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| func interruptProcess(pid int) error { | ||
| process, err := os.FindProcess(pid) | ||
| if err != nil { | ||
| return fmt.Errorf("error finding process: %w", err) | ||
| } | ||
|
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| if err = process.Signal(os.Interrupt); err != nil { | ||
| return fmt.Errorf("error interrupting process: %w", err) | ||
| } | ||
|
|
||
| return nil | ||
| } |
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