a running minimal c-daemon ready

.gitignore

@@ -75,3 +75,6 @@ modules.order
 Module.symvers
 Mkfile.old
 dkms.conf
+
+### USER MODIFIED ###
+c-daemon/bin/

README.md

@@ -9,6 +9,25 @@ This repo will be include two separate daemons. One of them is written with C la
 
 <br>
 
+How to start c-daemon + go processes:
+```bash
+git clone https://git.aliberksandikci.com.tr/liderahenk/go-daemon
+cd go-daemon/
+go build -o c-daemon/bin/ info
+gcc -o c-daemon/bin/test c-daemon/daemon/test.c c-daemon/daemon/daem
+on.c
+./c-daemon/bin/test
+```
+
+
+
+<br>
+
+---
+
+<br>
+
+<details><summary>Notes</summary>
 
 ### Summary - [MakeUseOf](https://www.makeuseof.com/create-daemons-on-linux/)
 
@@ -65,3 +84,5 @@ Now return to the terminal where you are running your application (./test) and p
 First of all, you can say that the new subprocess is running in the **background** since you do not see the **+** character in the **STAT** field. You can now see that the parent process of your process is the systemd process (or other init in use)
 
 I'm too lazy to continue this readme(about c-daemon). just continue in [original website](https://www.makeuseof.com/create-daemons-on-linux/) or just review last versions of c files
+
+</detailsc>

c-daemon/daemon.c

@@ -1,27 +0,0 @@
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <linux/fs.h>
-#include <linux/limits.h>
-
-int _daemon(int nochdir, int noclose){
-  pid_t pid; 
-  // pid_t defined in sys/types.h
-  // pid_t is a signed int data type
-
-  pid = fork(); // fork of the parent process 
-  // fork() function defined in unistd.h
-  if (pid < 0){
-    exit(EXIT_FAILURE); // exit and  EXIT_FAILURE defined in stdlib.h
-  }
-  else if (pid > 0){
-    exit(EXIT_SUCCESS);
-  } 
-  if (setsid() == -1){
-    return -1;
-  }
-  return 0;
-}

c-daemon/daemon/daemon.c

@@ -0,0 +1,48 @@
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <linux/fs.h>
+#include <linux/limits.h>
+#define NR_OPEN 1024
+
+int _daemon(int nochdir, int noclose){
+  pid_t pid, sid; 
+  // pid_t defined in sys/types.h
+  // pid_t is a signed int data type
+  pid = fork(); // fork of the parent process 
+  // fork() function defined in unistd.h
+  if (pid < 0){
+    exit(EXIT_FAILURE); // exit and  EXIT_FAILURE defined in stdlib.h
+  }
+  else if (pid > 0){
+    exit(EXIT_SUCCESS);
+  } 
+  // sid = setsid();
+  // if (sid < 0) {
+  //   exit(EXIT_FAILURE);
+  // }
+  // if ((chdir("/")) < 0) {
+  //   exit(EXIT_FAILURE);
+  // }
+  // if (!noclose) {
+  //   for (int i = 0; i < NR_OPEN; i++)
+  //     close(i);
+  //   open("/dev/null", O_RDWR);
+  //   dup(0);
+  //   dup(0);
+  // }
+  // close(STDOUT_FILENO);
+  // close(STDERR_FILENO);
+  while (1) {
+    int status = system("../go-files/info");
+    // TODO SECURITY ISSUE
+    // LINK https://stackoverflow.com/questions/5237482/how-do-i-execute-an-external-program-within-c-code-in-linux-with-arguments#
+    
+
+    sleep(1);
+  }
+  exit(EXIT_SUCCESS);
+}

c-daemon/daemon/test.c

@@ -3,7 +3,10 @@
 int _daemon (int, int);
 
 int main(){
+  printf("START");
   _daemon(0, 0);
+  printf("END");
   getchar();
+  printf("CLOSE");
   return 0;
 }