update it

lib/s6a/s6a_fd_init.c

@@ -2,6 +2,7 @@
 
 #include "core_debug.h"
 #include "core_lib.h"
+#include "core_signal.h"
 
 #include "s6a_app.h"
 #include "s6a_lib.h"
@@ -13,7 +14,9 @@
 static void s6a_gnutls_log_func(int level, const char *str);
 static void s6a_fd_logger(int printlevel, const char *format, va_list ap);
 
-status_t s6a_fd_init(const char *conffile)
+static int check_signal(int signum);
+
+static status_t s6a_fd_init_internal(const char *conffile)
 {
     int ret;
     
@@ -66,6 +69,32 @@ error:
 	return CORE_ERROR;
 }
 
+status_t s6a_fd_init()
+{
+    status_t rv;
+
+    pid_t pid;
+    pid = fork();
+
+    d_assert(pid != -1, _exit(EXIT_FAILURE), "fork() failed");
+
+    if (pid == 0)
+    {
+        /* Child */
+        rv = s6a_fd_init_internal(s6a_fd_hss_config());
+        d_assert(rv == CORE_OK, _exit(EXIT_FAILURE), "s6a_fd_init() failed");
+        signal_thread(check_signal);
+        s6a_fd_final();
+
+        _exit(EXIT_SUCCESS);
+    }
+
+    /* Parent */
+    rv = s6a_fd_init_internal(s6a_fd_mme_config());
+    if (rv != CORE_OK) return rv;
+    return CORE_OK;
+}
+
 void s6a_fd_final()
 {
     s6a_app_final();
@@ -120,3 +149,25 @@ static void s6a_fd_logger(int printlevel, const char *format, va_list ap)
             break;
     }
 }
+
+static int check_signal(int signum)
+{
+    switch (signum)
+    {
+        case SIGTERM:
+        case SIGINT:
+        {
+            d_info("%s received", 
+                    signum == SIGTERM ? "SIGTERM" : "SIGINT");
+
+            return 1;
+        }
+        default:
+        {
+            d_error("Unknown Signal Number = %d\n", signum);
+            break;
+        }
+            
+    }
+    return 0;
+}

lib/s6a/s6a_lib.h

@@ -27,7 +27,7 @@ struct s6a_fd_config_t {
 
 extern struct s6a_fd_config_t *s6a_fd_config;
 
-CORE_DECLARE(status_t) s6a_fd_init(const char *conffile);
+CORE_DECLARE(status_t) s6a_fd_init();
 CORE_DECLARE(void) s6a_fd_final();
 
 CORE_DECLARE(char *) s6a_fd_hss_config();

main.c

@@ -154,6 +154,7 @@ int main(int argc, char *argv[])
         if (pid == 0)
         {
             /* Child */
+            setsid();
             umask(027);
 
             core_signal(SIGINT, logger_signal);
@@ -166,27 +167,6 @@ int main(int argc, char *argv[])
         /* Parent */
     }
 
-    {
-        pid_t pid;
-        pid = fork();
-
-        d_assert(pid != -1, return EXIT_FAILURE, "fork() failed");
-
-        if (pid == 0)
-        {
-            /* Child */
-            signal_init();
-
-            s6a_fd_init(s6a_fd_hss_config());
-            signal_thread(check_signal);
-            s6a_fd_final();
-
-            return EXIT_SUCCESS;
-        }
-
-        /* Parent */
-    }
-
     {
         extern int _mme_sm;
         extern int _enb_s1_sm;

src/init.c

@@ -26,8 +26,9 @@ status_t cellwire_initialize(char *config_path)
     rv = context_init();
     if (rv != CORE_OK) return rv;
 
-    rv = s6a_fd_init(s6a_fd_mme_config());
+    rv = s6a_fd_init();
     if (rv != CORE_OK) return rv;
+
     return CORE_OK;
 }