From bea32af5d45702e5608d347bf2bf6314d899f2e0 Mon Sep 17 00:00:00 2001
From: Ruben Pollan <meskio@sindominio.net>
Date: Sat, 12 Jan 2019 18:18:23 +0100
Subject: [feat] Reorganize code

Let's use a more structured folder system:
https://github.com/golang-standards/project-layout

- Resolves: #99
---
 pid.go | 99 ------------------------------------------------------------------
 1 file changed, 99 deletions(-)
 delete mode 100644 pid.go

(limited to 'pid.go')

diff --git a/pid.go b/pid.go
deleted file mode 100644
index 2c283ac..0000000
--- a/pid.go
+++ /dev/null
@@ -1,99 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"io/ioutil"
-	"log"
-	"os"
-	"path/filepath"
-	"strconv"
-	"strings"
-	"syscall"
-
-	"0xacab.org/leap/bitmask-systray/bitmask"
-	"github.com/mitchellh/go-ps"
-)
-
-var pidFile = filepath.Join(bitmask.ConfigPath, "systray.pid")
-
-func acquirePID() error {
-	pid := syscall.Getpid()
-	current, err := getPID()
-	if err != nil {
-		return err
-	}
-
-	if current != pid && pidRunning(current) {
-		return fmt.Errorf("Another systray is running with pid: %d", current)
-	}
-
-	return setPID(pid)
-}
-
-func releasePID() error {
-	pid := syscall.Getpid()
-	current, err := getPID()
-	if err != nil {
-		return err
-	}
-	if current != 0 && current != pid {
-		return fmt.Errorf("Can't release pid file, is not own by this process")
-	}
-
-	if current == pid {
-		return os.Remove(pidFile)
-	}
-	return nil
-}
-
-func getPID() (int, error) {
-	_, err := os.Stat(pidFile)
-	if os.IsNotExist(err) {
-		return 0, nil
-	}
-	if err != nil {
-		return 0, err
-	}
-
-	file, err := os.Open(pidFile)
-	if err != nil {
-		return 0, err
-	}
-	defer file.Close()
-
-	b, err := ioutil.ReadAll(file)
-	if err != nil {
-		return 0, err
-	}
-	if len(b) == 0 {
-		return 0, nil
-	}
-	return strconv.Atoi(string(b))
-}
-
-func setPID(pid int) error {
-	file, err := os.Create(pidFile)
-	if err != nil {
-		return err
-	}
-	defer file.Close()
-
-	_, err = file.WriteString(fmt.Sprintf("%d", pid))
-	return err
-}
-
-func pidRunning(pid int) bool {
-	if pid == 0 {
-		return false
-	}
-	proc, err := ps.FindProcess(pid)
-	if err != nil {
-		log.Printf("An error ocurred finding process: %v", err)
-		return false
-	}
-	if proc == nil {
-		return false
-	}
-	log.Printf("There is a running process with the pid %d and executable: %s", pid, proc.Executable())
-	return strings.Contains(os.Args[0], proc.Executable())
-}
-- 
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