From 3605887345792d2f981f971c6c4a2cb7f86a343e Mon Sep 17 00:00:00 2001
From: Michael Muré <batolettre@gmail.com>
Date: Tue, 11 Sep 2018 22:04:16 +0200
Subject: reorganize package for a more idomatic go

---
 util/process/process.go | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 util/process/process.go

(limited to 'util/process')

diff --git a/util/process/process.go b/util/process/process.go
new file mode 100644
index 00000000..f3bcb7f2
--- /dev/null
+++ b/util/process/process.go
@@ -0,0 +1,23 @@
+package process
+
+import (
+	"os"
+	"syscall"
+)
+
+// IsRunning tell is a process is running
+func IsRunning(pid int) bool {
+	// never return no error in a unix system
+	process, err := os.FindProcess(pid)
+
+	if err != nil {
+		return false
+	}
+
+	// Signal 0 doesn't do anything but allow testing the process
+	err = process.Signal(syscall.Signal(0))
+
+	// Todo: distinguish "you don't have access" and "process doesn't exist"
+
+	return err == nil
+}
-- 
cgit