From ab7a7f608e7ed6009c24896032f780b60a52d3cb Mon Sep 17 00:00:00 2001
From: MEUNIER Thibaud <thibaud.meunier@laposte.net>
Date: Wed, 15 Jul 2020 15:42:43 +0200
Subject: [PATCH] ADD skeleton_daemon

---
 src/skeleton_daemon.c | 50 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 src/skeleton_daemon.c

diff --git a/src/skeleton_daemon.c b/src/skeleton_daemon.c
new file mode 100644
index 0000000..3c8a8cb
--- /dev/null
+++ b/src/skeleton_daemon.c
@@ -0,0 +1,50 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <signal.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <syslog.h>
+
+static void skeleton_daemon()
+{
+    pid_t pid;
+
+    /* Fork off the parent process */
+    pid = fork();
+
+    /* An error occurred */
+    if (pid < 0)
+        exit(EXIT_FAILURE);
+
+    /* Success: Let the parent terminate */
+    if (pid > 0)
+        exit(EXIT_SUCCESS);
+
+    /* On success: The child process becomes session leader */
+    if (setsid() < 0)
+        exit(EXIT_FAILURE);
+
+    /* Catch, ignore and handle signals */
+    //TODO: Implement a working signal handler */
+    signal(SIGCHLD, SIG_IGN);
+    signal(SIGHUP, SIG_IGN);
+
+    /* Fork off for the second time*/
+    pid = fork();
+
+    /* An error occurred */
+    if (pid < 0)
+        exit(EXIT_FAILURE);
+
+    /* Success: Let the parent terminate */
+    if (pid > 0)
+        exit(EXIT_SUCCESS);
+
+    /* Set new file permissions */
+    umask(0);
+
+    /* Open the log file */
+    openlog ("firstdaemon", LOG_PID, LOG_DAEMON);
+}
+