--- lbbs/src/fork.c	2025/05/06 05:31:26	1.15
+++ lbbs/src/fork.c	2025/05/15 06:24:11	1.20
@@ -19,10 +19,13 @@
 #include "log.h"
 #include "io.h"
 #include "fork.h"
+#include "menu.h"
 #include <stdio.h>
 #include <string.h>
+#include <signal.h>
 #include <unistd.h>
 #include <stdlib.h>
+#include <errno.h>
 
 int fork_server()
 {
@@ -38,6 +41,7 @@ int fork_server()
 	}
 	else if (pid < 0) // Error
 	{
+		log_error("fork() error (%d)\n", errno);
 		return -1;
 	}
 
@@ -64,8 +68,18 @@ int fork_server()
 		return -4;
 	}
 
+	SYS_child_process_count = 0;
+
+	// Reset signal handler to default
+	signal(SIGHUP, SIG_DFL);
+	signal(SIGCHLD, SIG_DFL);
+	signal(SIGTERM, SIG_DFL);
+	
 	bbs_main();
 
+	// Child process exit
+	SYS_server_exit = 1;
+
 	if (close(socket_client) == -1)
 	{
 		log_error("Close client socket failed\n");
@@ -76,11 +90,9 @@ int fork_server()
 	close(STDOUT_FILENO);
 
 	log_std("Process exit normally\n");
-
 	log_end();
 
-	// Exit child process normally
-	exit(0);
-
+	_exit(0);
+	
 	return 0;
 }