From 372812302ef4bf1808c00f8adfa1f00a5f6ad984 Mon Sep 17 00:00:00 2001
From: in2 <in2@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>
Date: Fri, 28 Mar 2003 14:15:20 +0000
Subject: PRE_FORK

git-svn-id: http://opensvn.csie.org/pttbbs/pttbbs/trunk@741 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
---
 pttbbs/mbbsd/mbbsd.c      | 15 +++++++++++++--
 pttbbs/sample/pttbbs.conf |  4 ++++
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/pttbbs/mbbsd/mbbsd.c b/pttbbs/mbbsd/mbbsd.c
index 00e4fa7a..97ba847a 100644
--- a/pttbbs/mbbsd/mbbsd.c
+++ b/pttbbs/mbbsd/mbbsd.c
@@ -1,4 +1,4 @@
-/* $Id: mbbsd.c,v 1.68 2003/03/24 10:28:24 in2 Exp $ */
+/* $Id: mbbsd.c,v 1.69 2003/03/28 14:15:20 in2 Exp $ */
 #include "bbs.h"
 
 #define SOCKET_QLEN 4
@@ -1256,7 +1256,18 @@ daemon_login(int argc, char *argv[], char *envp[])
     setuid(BBSUID);
     chdir(BBSHOME);
 
-    snprintf(buf, sizeof(buf), "run/mbbsd.%d.pid", listen_port);
+#ifndef NO_FORK
+#ifdef PRE_FORK
+    if( listen_port == 23 ){ // only pre-fork in port 23
+	int     i;
+	for( i = 0 ; i < PRE_FORK ; ++i )
+	    if( fork() <= 0 )
+		break;
+    }
+#endif
+#endif
+
+    snprintf(buf, sizeof(buf), "run/mbbsd.%d.%d.pid", listen_port, getpid());
     if ((fp = fopen(buf, "w"))) {
 	fprintf(fp, "%d\n", getpid());
 	fclose(fp);
diff --git a/pttbbs/sample/pttbbs.conf b/pttbbs/sample/pttbbs.conf
index 0b0e51d6..1903a6af 100644
--- a/pttbbs/sample/pttbbs.conf
+++ b/pttbbs/sample/pttbbs.conf
@@ -74,6 +74,10 @@
 /* 設定最大可再買幾封信箱 (default: 1000) */
 #define MAX_EXKEEPMAIL    (1000)
 
+/* 對於 port 23的, 會預先 fork 幾隻出來. 如此在系統負荷高的時候,
+   仍可有好的上站率 */
+//#define PRE_FORK 10
+
 /* 前進站畫面 */
 #define INSCREEN \
 "前進站畫面 (請至 pttbbs.conf 修改您的前進站畫面)"
-- 
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