--- lbbs/src/common.c	2025/05/06 05:31:26	1.15
+++ lbbs/src/common.c	2025/05/16 14:09:31	1.21
@@ -20,11 +20,29 @@
 #include <string.h>
 #include <time.h>
 #include <sys/types.h>
-#include <sys/wait.h>
 
 // Version information
 char app_version[256] = "LBBS-devel version 1.0";
 
+// File loader
+const char *data_files_load_startup[] = {
+	DATA_WELCOME,
+	DATA_REGISTER,
+	DATA_GOODBYE,
+	DATA_LICENSE,
+	DATA_COPYRIGHT,
+	DATA_LOGIN_ERROR,
+	DATA_ACTIVE_BOARD,
+	DATA_READ_HELP,
+	VAR_BBS_TOP
+};
+int data_files_load_startup_count = 9; // Count of data_files_load_startup[]
+
+const char *data_files_load_timeval[] = {
+	VAR_BBS_TOP
+};
+int data_files_load_timeval_count = 1; // Count of data_files_load_timeval[]
+
 // Global declaration for sockets
 int socket_server;
 int socket_client;
@@ -34,8 +52,11 @@ int port_server;
 int port_client;
 
 // Global declaration for system
-int SYS_exit;
-int SYS_child_process_count;
+volatile int SYS_server_exit = 0;
+volatile int SYS_child_process_count = 0;
+volatile int SYS_child_exit = 0;
+volatile int SYS_menu_reload = 0;
+volatile int SYS_data_file_reload = 0;
 
 // Common function
 const char *str_space(char *string, int length)
@@ -90,28 +111,56 @@ const char *get_time_str(char *s, size_t
 	return s;
 }
 
-void reload_bbs_menu(int i)
+void sig_hup_handler(int i)
 {
-	if (reload_menu(&bbs_menu) < 0)
-		log_error("Reload menu failed\n");
-	else
-		log_std("Reload menu successfully\n");
+	SYS_menu_reload = 1;
+	SYS_data_file_reload = 1;
 }
 
-void system_exit(int i)
+void sig_term_handler(int i)
 {
-	SYS_exit = 1;
+	SYS_server_exit = 1;
 }
 
-void child_exit(int i)
+void sig_chld_handler(int i)
 {
-	int pid;
+	SYS_child_exit = 1;
+}
 
-	pid = wait(0);
+const char *ip_mask(char *s, int level, char mask)
+{
+	char *p = s;
 
-	if (pid > 0)
+	if (level <= 0)
 	{
-		SYS_child_process_count--;
-		log_std("Child process (%d) exited\n", pid);
+		return s;
 	}
+	if (level > 4)
+	{
+		level = 4;
+	}
+
+	for (int i = 0; i < 4 - level; i++)
+	{
+		p = strchr(p, '.');
+		if (p == NULL)
+		{
+			return s;
+		}
+		p++;
+	}
+
+	for (int i = 0; i < level; i++)
+	{
+		*p = mask;
+		p++;
+		if (i < level - 1)
+		{
+			*p = '.';
+			p++;
+		}
+	}
+	*p = '\0';
+
+	return s;
 }