--- lbbs/src/fork.c	2025/05/06 05:31:26	1.15
+++ lbbs/src/fork.c	2025/06/04 13:42:53	1.24
@@ -19,12 +19,15 @@
 #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()
+int fork_server(void)
 {
 	int pid;
 
@@ -33,11 +36,12 @@ int fork_server()
 	if (pid > 0) // Parent process
 	{
 		SYS_child_process_count++;
-		log_std("Child process (%d) start\n", pid);
-		return 0;
+		log_common("Child process (%d) start\n", pid);
+		return pid;
 	}
 	else if (pid < 0) // Error
 	{
+		log_error("fork() error (%d)\n", errno);
 		return -1;
 	}
 
@@ -45,7 +49,6 @@ int fork_server()
 	if (close(socket_server) == -1)
 	{
 		log_error("Close server socket failed\n");
-		return -2;
 	}
 
 	// Redirect Input
@@ -53,7 +56,7 @@ int fork_server()
 	if (dup2(socket_client, STDIN_FILENO) == -1)
 	{
 		log_error("Redirect stdin to client socket failed\n");
-		return -3;
+		goto cleanup;
 	}
 
 	// Redirect Output
@@ -61,11 +64,17 @@ int fork_server()
 	if (dup2(socket_client, STDOUT_FILENO) == -1)
 	{
 		log_error("Redirect stdout to client socket failed\n");
-		return -4;
+		goto cleanup;
 	}
 
+	SYS_child_process_count = 0;
+
 	bbs_main();
 
+cleanup:
+	// Child process exit
+	SYS_server_exit = 1;
+
 	if (close(socket_client) == -1)
 	{
 		log_error("Close client socket failed\n");
@@ -75,12 +84,10 @@ int fork_server()
 	close(STDIN_FILENO);
 	close(STDOUT_FILENO);
 
-	log_std("Process exit normally\n");
-
+	log_common("Process exit normally\n");
 	log_end();
 
-	// Exit child process normally
-	exit(0);
+	_exit(0);
 
 	return 0;
 }