From a0f54cbe5ac2cd8b8296c2c57c30029dd349cff0 Mon Sep 17 00:00:00 2001
From: Mathias Hall-Andersen <mathias@hall-andersen.dk>
Date: Sun, 4 Feb 2018 16:08:26 +0100
Subject: Align with go library layout

---
 daemon_linux.go | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 daemon_linux.go

(limited to 'daemon_linux.go')

diff --git a/daemon_linux.go b/daemon_linux.go
new file mode 100644
index 0000000..e1aaede
--- /dev/null
+++ b/daemon_linux.go
@@ -0,0 +1,32 @@
+package main
+
+import (
+	"os"
+	"os/exec"
+)
+
+/* Daemonizes the process on linux
+ *
+ * This is done by spawning and releasing a copy with the --foreground flag
+ */
+func Daemonize(attr *os.ProcAttr) error {
+	// I would like to use os.Executable,
+	// however this means dropping support for Go <1.8
+	path, err := exec.LookPath(os.Args[0])
+	if err != nil {
+		return err
+	}
+
+	argv := []string{os.Args[0], "--foreground"}
+	argv = append(argv, os.Args[1:]...)
+	process, err := os.StartProcess(
+		path,
+		argv,
+		attr,
+	)
+	if err != nil {
+		return err
+	}
+	process.Release()
+	return nil
+}
-- 
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