From b3229f8e5ec1b7d79e43f69f45ee8a56cbc432bd Mon Sep 17 00:00:00 2001
From: nbari <nbari@tequila.io>
Date: Sun, 21 Jul 2024 18:40:21 +0200
Subject: [PATCH] daemon examples

---
 examples/example_daemon.rs    | 21 +++++++++++++++++++++
 examples/example_touch_pid.rs | 27 +++++++++++++++++++++++++++
 2 files changed, 48 insertions(+)
 create mode 100644 examples/example_daemon.rs
 create mode 100644 examples/example_touch_pid.rs

diff --git a/examples/example_daemon.rs b/examples/example_daemon.rs
new file mode 100644
index 0000000..23e0558
--- /dev/null
+++ b/examples/example_daemon.rs
@@ -0,0 +1,21 @@
+/// run with `cargo run --example example_daemon`
+use fork::{daemon, Fork};
+use std::process::Command;
+
+fn main() {
+    // Keep file descriptors open to print the pid of the daemon
+    match daemon(false, true) {
+        Ok(Fork::Child) => {
+            Command::new("sleep")
+                .arg("300")
+                .output()
+                .expect("failed to execute process");
+        }
+        Ok(Fork::Parent(pid)) => {
+            println!("daemon pid: {}", pid);
+        }
+        Err(_) => {
+            println!("Fork failed");
+        }
+    }
+}
diff --git a/examples/example_touch_pid.rs b/examples/example_touch_pid.rs
new file mode 100644
index 0000000..af588f1
--- /dev/null
+++ b/examples/example_touch_pid.rs
@@ -0,0 +1,27 @@
+/// run with `cargo run --example example_touch_pid`
+use fork::{daemon, Fork};
+use std::fs::OpenOptions;
+use std::process::Command;
+
+fn main() {
+    match daemon(false, false) {
+        Ok(Fork::Child) => {
+            Command::new("sleep")
+                .arg("300")
+                .output()
+                .expect("failed to execute process");
+        }
+        Ok(Fork::Parent(pid)) => {
+            // touch file with name like pid
+            let file_name = format!("/tmp/{}.pid", pid);
+            OpenOptions::new()
+                .write(true)
+                .create(true)
+                .open(file_name)
+                .expect("failed to open file");
+        }
+        Err(_) => {
+            println!("Fork failed");
+        }
+    }
+}