--- php-4.4.7/sapi/cgi/cgi_main.c	2007-02-16 13:47:20.000000000 +0200
+++ php-4.4.7-gracefup/sapi/cgi/cgi_main.c	2007-11-09 17:19:32.722741559 +0200
@@ -105,6 +105,11 @@
  */
 static int parent = 1;
 
+#if PHP_FASTCGI
+/* Socket we are listening on incoming FastCGI connections */
+static int fcgi_fd = 0;
+#endif
+
 /**
  * Process group
  */
@@ -952,6 +957,22 @@
 }
 #endif
 
+#if PHP_FASTCGI
+/**
+ * Graceful shutdown. Close listening sockets.
+ */
+void fastcgi_graceful_shutdown(int signal)
+{
+#ifdef DEBUG_FASTCGI
+	fprintf(stderr, "FastCGI graceful shutdown, pid %d\n", getpid());
+#endif
+
+	/* Close the listening socket so new processes can reuse the same port */
+	closesocket(fcgi_fd);
+	fcgi_fd = 0;
+}
+#endif
+
 /* {{{ main
  */
 int main(int argc, char *argv[])
@@ -990,7 +1011,6 @@
 #ifndef PHP_WIN32
 	char *bindpath = NULL;
 #endif
-	int fcgi_fd = 0;
 	FCGX_Request request;
 #ifdef PHP_WIN32
 	long impersonate = 0;
@@ -1238,9 +1258,17 @@
 					parent = 0;
 
 					/* don't catch our signals */
-					sigaction( SIGTERM, &old_term, 0 );
 					sigaction( SIGQUIT, &old_quit, 0 );
 					sigaction( SIGINT, &old_int, 0 );
+#if PHP_FASTCGI
+
+					/* call graceful shutdown handler for SIGTERM */
+					act.sa_flags = 0;
+					act.sa_handler = fastcgi_graceful_shutdown;
+					sigaction(SIGTERM, &act, &old_term);
+#else
+					sigaction(SIGTERM, &old_term, 0);
+#endif
 					break;
 				case -1:
 					perror( "php (pre-forking)" );